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Bedoya AM. Botany and geogenomics: Constraining geological hypotheses in the neotropics with large-scale genetic data derived from plants. AMERICAN JOURNAL OF BOTANY 2024:e16306. [PMID: 38557829 DOI: 10.1002/ajb2.16306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Accepted: 01/24/2024] [Indexed: 04/04/2024]
Abstract
Decades of empirical research have revealed how the geological history of our planet shaped plant evolution by establishing well-known patterns (e.g., how mountain uplift resulted in high rates of diversification and replicate radiations in montane plant taxa). This follows a traditional approach where botanical data are interpreted in light of geological events. In this synthesis, I instead describe how by integrating natural history, phylogenetics, and population genetics, botanical research can be applied alongside geology and paleontology to inform our understanding of past geological and climatic processes. This conceptual shift aligns with the goals of the emerging field of geogenomics. In the neotropics, plant geogenomics is a powerful tool for the reciprocal exploration of two long standing questions in biology and geology: how the dynamic landscape of the region came to be and how it shaped the evolution of the richest flora. Current challenges that are specific to analytical approaches for plant geogenomics are discussed. I describe the scale at which various geological questions can be addressed from biological data and what makes some groups of plants excellent model systems for geogenomics research. Although plant geogenomics is discussed with reference to the neotropics, the recommendations given here for approaches to plant geogenomics can and should be expanded to exploring long-standing questions on how the earth evolved with the use of plant DNA.
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Affiliation(s)
- Ana M Bedoya
- Department of Biological Sciences, Louisiana State University, Baton Rouge, 70803, LA, USA
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2
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Reuber VM, Westbury MV, Rey-Iglesia A, Asefa A, Farwig N, Miehe G, Opgenoorth L, Šumbera R, Wraase L, Wube T, Lorenzen ED, Schabo DG. Topographic barriers drive the pronounced genetic subdivision of a range-limited fossorial rodent. Mol Ecol 2024; 33:e17271. [PMID: 38279205 DOI: 10.1111/mec.17271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 12/20/2023] [Accepted: 01/08/2024] [Indexed: 01/28/2024]
Abstract
Due to their limited dispersal ability, fossorial species with predominantly belowground activity usually show increased levels of population subdivision across relatively small spatial scales. This may be exacerbated in harsh mountain ecosystems, where landscape geomorphology limits species' dispersal ability and leads to small effective population sizes, making species relatively vulnerable to environmental change. To better understand the environmental drivers of species' population subdivision in remote mountain ecosystems, particularly in understudied high-elevation systems in Africa, we studied the giant root-rat (Tachyoryctes macrocephalus), a fossorial rodent confined to the afro-alpine ecosystem of the Bale Mountains in Ethiopia. Using mitochondrial and low-coverage nuclear genomes, we investigated 77 giant root-rat individuals sampled from nine localities across its entire ~1000 km2 range. Our data revealed a distinct division into a northern and southern group, with no signs of gene flow, and higher nuclear genetic diversity in the south. Landscape genetic analyses of the mitochondrial and nuclear genomes indicated that population subdivision was driven by slope and elevation differences of up to 500 m across escarpments separating the north and south, potentially reinforced by glaciation of the south during the Late Pleistocene (~42,000-16,000 years ago). Despite this landscape-scale subdivision between the north and south, weak geographic structuring of sampling localities within regions indicated gene flow across distances of at least 16 km at the local scale, suggesting high, aboveground mobility for relatively long distances. Our study highlights that despite the potential for local-scale gene flow in fossorial species, topographic barriers can result in pronounced genetic subdivision. These factors can reduce genetic variability, which should be considered when developing conservation strategies.
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Affiliation(s)
- Victoria M Reuber
- Department of Biology, Conservation Ecology, University of Marburg, Marburg, Germany
| | | | | | - Addisu Asefa
- Department of Biology, Conservation Ecology, University of Marburg, Marburg, Germany
- Ethiopian Wildlife Conservation Authority, Addis Ababa, Ethiopia
| | - Nina Farwig
- Department of Biology, Conservation Ecology, University of Marburg, Marburg, Germany
| | - Georg Miehe
- Department of Geography, Vegetation Geography, University of Marburg, Marburg, Germany
| | - Lars Opgenoorth
- Department of Biology, Plant Ecology & Geobotany, University of Marburg, Marburg, Germany
- Swiss Federal Research Institute WSL, Birmensdorf, Switzerland
| | - Radim Šumbera
- Department of Zoology, University of South Bohemia, České Budějovice, Czech Republic
| | - Luise Wraase
- Department of Geography, Environmental Informatics, University of Marburg, Marburg, Germany
| | - Tilaye Wube
- Department of Zoological Sciences, College of Natural and Computational Sciences, Addis Ababa University, Addis Ababa, Ethiopia
| | | | - Dana G Schabo
- Department of Biology, Conservation Ecology, University of Marburg, Marburg, Germany
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3
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Liu Y, Wang Y, Willett SD, Zimmermann NE, Pellissier L. Escarpment evolution drives the diversification of the Madagascar flora. Science 2024; 383:653-658. [PMID: 38330102 DOI: 10.1126/science.adi0833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 01/04/2024] [Indexed: 02/10/2024]
Abstract
Madagascar exhibits high endemic biodiversity that has evolved with sustained and stable rates of speciation over the past several tens of millions of years. The topography of Madagascar is dominated by a mountainous continental rift escarpment, with the highest plant diversity and rarity found along the steep, eastern side of this geographic feature. Using a process-explicit model, we show that precipitation-driven erosion and landward retreat of this high-relief topography creates transient habitat organization through multiple mechanisms, including catchment expansion, isolation of highland remnants, and formation of topographic barriers. Habitat isolation and reconnection on a million-year timescale serves as an allopatric speciation pump creating the observed biodiversity.
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Affiliation(s)
- Yi Liu
- Swiss Federal Research Institute (WSL), 8903 Birmensdorf, Switzerland
- Department of Environmental Systems Science, ETH Zürich, 8092 Zürich, Switzerland
| | - Yanyan Wang
- Department of Earth Sciences, ETH Zürich, 8092 Zürich, Switzerland
| | - Sean D Willett
- Department of Earth Sciences, ETH Zürich, 8092 Zürich, Switzerland
| | - Niklaus E Zimmermann
- Swiss Federal Research Institute (WSL), 8903 Birmensdorf, Switzerland
- Department of Environmental Systems Science, ETH Zürich, 8092 Zürich, Switzerland
| | - Loïc Pellissier
- Swiss Federal Research Institute (WSL), 8903 Birmensdorf, Switzerland
- Department of Environmental Systems Science, ETH Zürich, 8092 Zürich, Switzerland
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Lucatero A, Jha S, Philpott SM. Local Habitat Complexity and Its Effects on Herbivores and Predators in Urban Agroecosystems. INSECTS 2024; 15:41. [PMID: 38249047 PMCID: PMC10816164 DOI: 10.3390/insects15010041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/30/2023] [Accepted: 01/04/2024] [Indexed: 01/23/2024]
Abstract
In urban community gardens, cultivated vegetation provides variable levels of habitat complexity, which can suppress pests by promoting predator diversity and improving pest control. In this study, we examine three components of the structural complexity of garden vegetation (cover, diversity, and connectivity) to investigate whether higher garden vegetation complexity leads to fewer herbivores, more predators, and higher predation. We worked in eight community gardens where we quantified vegetation complexity, sampled the arthropod community, and measured predation on corn earworm eggs. We found that plots with high vegetation cover supported higher species richness and greater abundance of predatory insects. High vegetation cover also supported a greater abundance and species richness of spiders. In contrast, high vegetation diversity was negatively associated with predator abundance. While high predator abundance was positively associated with egg predation, greater predator species richness had a negative impact on egg predation, suggesting that antagonism between predators may limit biological control. Community gardeners may thus manipulate vegetation cover and diversity to promote higher predator abundance and diversity in their plots. However, the species composition of predators and the prevalence of interspecific antagonism may ultimately determine subsequent impacts on biological pest control.
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Affiliation(s)
- Azucena Lucatero
- Environmental Studies Department, University of California, Santa Cruz, CA 95064, USA;
| | - Shalene Jha
- Integrative Biology Department, University of Texas at Austin, Austin, TX 78712, USA;
- Lady Bird Johnson Wildflower Center, University of Texas at Austin, Austin, TX 78739, USA
| | - Stacy M. Philpott
- Environmental Studies Department, University of California, Santa Cruz, CA 95064, USA;
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Salles T, Husson L, Lorcery M, Hadler Boggiani B. Landscape dynamics and the Phanerozoic diversification of the biosphere. Nature 2023; 624:115-121. [PMID: 38030724 PMCID: PMC10700141 DOI: 10.1038/s41586-023-06777-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023]
Abstract
The long-term diversification of the biosphere responds to changes in the physical environment. Yet, over the continents, the nearly monotonic expansion of life started later in the early part of the Phanerozoic eon1 than the expansion in the marine realm, where instead the number of genera waxed and waned over time2. A comprehensive evaluation of the changes in the geodynamic and climatic forcing fails to provide a unified theory for the long-term pattern of evolution of life on Earth. Here we couple climate and plate tectonics models to numerically reconstruct the evolution of the Earth's landscape over the entire Phanerozoic eon, which we then compare to palaeo-diversity datasets from marine animal and land plant genera. Our results indicate that biodiversity is strongly reliant on landscape dynamics, which at all times determine the carrying capacity of both the continental domain and the oceanic domain. In the oceans, diversity closely adjusted to the riverine sedimentary flux that provides nutrients for primary production. On land, plant expansion was hampered by poor edaphic conditions until widespread endorheic basins resurfaced continents with a sedimentary cover that facilitated the development of soil-dependent rooted flora, and the increasing variety of the landscape additionally promoted their development.
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Affiliation(s)
- Tristan Salles
- School of Geosciences, The University of Sydney, Sydney, New South Wales, Australia.
| | - Laurent Husson
- CNRS, ISTerre, Université Grenoble-Alpes, Grenoble, France.
| | - Manon Lorcery
- School of Geosciences, The University of Sydney, Sydney, New South Wales, Australia
- CNRS, ISTerre, Université Grenoble-Alpes, Grenoble, France
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Barbosa Fontana R, Both C, Hartz SM. Direct development in Atlantic Forest anurans: What can environmental and biotic influences explain about its evolution and occurrence? PLoS One 2023; 18:e0291644. [PMID: 38032887 PMCID: PMC10688756 DOI: 10.1371/journal.pone.0291644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 09/04/2023] [Indexed: 12/02/2023] Open
Abstract
Different environmental and biological factors can originate and support different alternative life histories in different taxonomic groups. Likewise, these factors are important for the processes that assemble and structure communities. Amphibians, besides being highly susceptible to environmental conditions, have various reproductive strategies, such as the direct development of individuals. Several hypotheses have been raised about possible selective pressures related to the emergence of direct development in anurans, as well as the relationship between environmental characteristics and the occurrence of these species. Such investigations, however, have mainly focused on specific clades and/or regions. Here, we use structural equation modelling to investigate the relationships between different abiotic (temperature, precipitation, humidity, and terrain slope) and biotic (phylogenetic composition and functional diversity) factors and the proportion of species with direct development in 766 anuran communities of the Atlantic Forest, a biome with a vast diversity of anuran species and high environmental complexity. Anuran communities with higher proportions of direct developing species were found to be mainly influenced by low potential evapotranspiration, low temperature seasonality, and high functional diversity. Phylogenetic composition and terrain slope were also found to be important in determining the occurrence of these species in Atlantic Forest communities. These results show the importance of these factors in the structuring of these communities and provide important contributions to the knowledge of direct development in anurans.
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Affiliation(s)
- Rodrigo Barbosa Fontana
- Instituto de Biociências, Programa de Pós-Graduação em Ecologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Camila Both
- Departamento Interdisciplinar, Centro de Estudos Limnológicos e Marinhos, Universidade Federal do Rio Grande do Sul, Imbé, Rio Grande do Sul, Brazil
| | - Sandra Maria Hartz
- Instituto de Biociências, Programa de Pós-Graduação em Ecologia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
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Peng J, Ma X, Sun H. Ancient allopatry and ecological divergence act together to promote plant diversity in mountainous regions: evidence from comparative phylogeography of two genera in the Sino-Himalayan region. BMC PLANT BIOLOGY 2023; 23:572. [PMID: 37978437 PMCID: PMC10655281 DOI: 10.1186/s12870-023-04593-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 11/08/2023] [Indexed: 11/19/2023]
Abstract
BACKGROUND How geographical isolation and ecological divergence act together to promote plant diversity in mountainous regions remains largely unknown. In this study, we chose two genera comprising a small number of species distributed in the Sino-Himalayan region, Megacodon (Gentianaceae) and Beesia (Ranunculaceae), which both exhibit a fragmented distribution pattern and are found across a wide range of elevations. By summarizing their common patterns of speciation and/or divergence processes, we aim to understand how environmental changes accelerated lineage diversification in the Sino-Himalayan region through ancient allopatry and ecological divergence. RESULTS Using ddRAD-seq, chloroplast genome sequences, and specific molecular markers, we studied the phylogenetic relationships, population structure, and historical biogeography of Beesia and Megacodon. Both genera began to diverge from the late Miocene onwards, with ancient allopatry at lower elevations formed narrow-range species or relict populations. Mantel tests between genetic distance and climatic, elevational, or geographic distance revealed an isolation-by-distance pattern in Beesia and Megacodon stylophorus. Megacodon showed two clades occupying entirely different altitudinal ranges, whereas Beesia calthifolia exhibited a genetic divergence pattern along an elevation gradient. Furthermore, we conducted morphological measurements on Beesia calthifolia and found that different elevational groups had distinct leaf shapes. CONCLUSIONS The regional disjunctions of plant groups in the Sino-Himalayan region are drastic and closely related to several biogeographic boundaries. As a consequence of major geological and climate change, ecological divergence when different elevations are colonized often happens simultaneously within plant groups. Although habitat fragmentation and parapatric ecological divergence each spur speciation to different extents, a combined effect of these two factors is a common phenomenon in the Sino-Himalayan region.
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Affiliation(s)
- Junchu Peng
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, 650201, Kunming, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Xiangguang Ma
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, 650201, Kunming, China
| | - Hang Sun
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, 650201, Kunming, China.
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Nicoletti G, Padmanabha P, Azaele S, Suweis S, Rinaldo A, Maritan A. Emergent encoding of dispersal network topologies in spatial metapopulation models. Proc Natl Acad Sci U S A 2023; 120:e2311548120. [PMID: 37931096 PMCID: PMC10655566 DOI: 10.1073/pnas.2311548120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 10/06/2023] [Indexed: 11/08/2023] Open
Abstract
We address a generalization of the concept of metapopulation capacity for trees and networks acting as the template for ecological interactions. The original measure had been derived from an insightful phenomenological model and is based on the leading eigenvalue of a suitable landscape matrix. It yields a versatile predictor of metapopulation persistence through a threshold value of the eigenvalue determined by ecological features of the focal species. Here, we present an analytical solution to a fundamental microscopic model that incorporates key ingredients of metapopulation dynamics and explicitly distinguishes between individuals comprising the "settled population" and "explorers" seeking colonization. Our approach accounts for general network characteristics (in particular graph-driven directional dispersal which is known to significantly constrain many ecological estimates) and yields a generalized version of the original model, to which it reduces for particular cases. Through examples, including real landscapes used as the template, we compare the predictions from our approach with those of the standard model. Results suggest that in several cases of practical interest, differences are significant. We also examine, with both models, how changes in habitat fragmentation, including removal, addition, or alteration in size, affect metapopulation persistence. The current approach demonstrates a high level of flexibility, enabling the incorporation of diverse "microscopic" elements and their impact on the resulting biodiversity landscape pattern.
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Affiliation(s)
- Giorgio Nicoletti
- Department of Physics and Astronomy “G. Galilei”, University of Padova, Padova35131, Italy
- Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Padova35131, Italy
- Department of Mathematics “T. Levi-Civita”, University of Padova, Padova35131, Italy
| | - Prajwal Padmanabha
- Department of Physics and Astronomy “G. Galilei”, University of Padova, Padova35131, Italy
- Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Padova35131, Italy
| | - Sandro Azaele
- Department of Physics and Astronomy “G. Galilei”, University of Padova, Padova35131, Italy
- Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Padova35131, Italy
- National Biodiversity Future Center, Palermo90133, Italy
| | - Samir Suweis
- Department of Physics and Astronomy “G. Galilei”, University of Padova, Padova35131, Italy
- Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Padova35131, Italy
| | - Andrea Rinaldo
- Laboratory of Ecohydrology, School of Architecture, Civil and Environmental Engineering, École Polytechnique Fédérale de Lausanne, Lausanne1015, Switzerland
- Department of Civil, Environmental and Architectural Engineering, University of Padova, Padova35131, Italy
| | - Amos Maritan
- Department of Physics and Astronomy “G. Galilei”, University of Padova, Padova35131, Italy
- Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Padova35131, Italy
- National Biodiversity Future Center, Palermo90133, Italy
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Zhao C, Liu J, Mou W, Zhao W, Zhou Z, Ta F, Lei L, Li C. Topography shapes the carbon allocation patterns of alpine forests. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 898:165542. [PMID: 37454841 DOI: 10.1016/j.scitotenv.2023.165542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 07/10/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
Topography plays a crucial role in determining the structure of alpine forests, as it restricts the availability of nutrients and water necessary for plant growth. Nevertheless, our information on how variations in forest carbon allocation patterns driven by fine-scale topography are influenced by broader-scale environmental contexts is limited. In the northern Tibetan Plateau, we combined field data from 89 forest plots with a high-resolution (1 m2) digital elevation model (DEM) and utilized a linear mixed-effects model to investigate how microtopography (characterized by slope, aspect, and topographic wetness index (TWI)) and broader-scale environmental context (characterized by elevation) and their interactions affect the carbon allocation patterns of alpine forest. Our results revealed that at low and high elevations with pronounced subsurface resource limitations, plants tend to allocate a higher proportion of carbon to the root system and have lower aboveground carbon stocks (ACS). Microtopographic heterogeneity significantly influenced the carbon allocation patterns of forest, with the intensity and direction of these effects varying across the environmental gradient. At low elevations, topographically wetter and northerly microhabitats had higher ACS and lower ratios of below- and aboveground carbon stocks (RBA); however, at high elevations, topographically drier and southerly microhabitats had higher ACS and lower RBA. TWI and aspect had the weakest effect on ACS and RBA in the mid-elevations. The relationship between slope and ACS and RBA was significantly positive but not evidently related to the broader-scale environmental gradient.
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Affiliation(s)
- Changxing Zhao
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Jinrong Liu
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China.
| | - Wenbo Mou
- State Key Laboratory of Grassland Agro-ecosystems, School of Life Science, Lanzhou University, Lanzhou 730000, China
| | - Weijun Zhao
- Academy of Water Resources Conservation Forests in Qilian Mountains of Gansu Province, Zhangye 734000, China
| | - Ziqiang Zhou
- Institute of Geological Natural Disaster Prevention and Control, Gansu Academy of Sciences, Lanzhou 730030, China
| | - Feng Ta
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Longju Lei
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
| | - Chaonan Li
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Engineering Research Center of Grassland Industry, Ministry of Education, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730000, China
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10
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Suicmez B, Avci M. Distribution patterns of Quercus ilex from the last interglacial period to the future by ecological niche modeling. Ecol Evol 2023; 13:e10606. [PMID: 37869430 PMCID: PMC10585444 DOI: 10.1002/ece3.10606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 08/19/2023] [Accepted: 09/27/2023] [Indexed: 10/24/2023] Open
Abstract
The plants' geographic distribution is affected by natural or human-induced climate change. Numerous studies at both the global and regional levels currently focus on the potential changes in plant distribution areas. Ecological niche modeling can help predict the likely distribution of species according to environmental variables under different climate scenarios. In this study, we predicted the potential geographic distributions of Quercus ilex L. (holm oak), a keystone species of the Mediterranean ecosystem, for the Last Interglacial period (LIG: ~130 Ka), the Last Glacial Maximum (LGM: ~22 Ka), mid-Holocene (MH: ~6 Ka), and future climate scenarios (Representative Concentration Pathway (RCP) 4.5 and 8.5 scenarios) for 2050-2070 obtained from CCSM4 and MIROC-ESM global climate scenarios respectively. The models were produced with algorithms from the R-package "biomod2" and assessed by AUC of the receiver operating characteristic plot and true skill statistics. Aside from BIOCLIM (SRE), all model algorithms performed similarly and produced projections that are supported by good evaluation scores, although random forest (RF) slightly outperformed all the others. Additionally, distribution maps generated for the past period were validated through a comparison with pollen data acquired from the Neotoma Pollen Database. The results revealed that southern areas of the Mediterranean Basin, particularly coastal regions, served as long-term refugia for Q. ilex, which was supported by fossil pollen data. Furthermore, the models suggest long-term refugia role for Anatolia and we argue that Anatolia may have served as a founding population for the species. Future climate scenarios indicated that Q. ilex distribution varied by region, with some areas experiencing range contractions and others range expands. This study provides significant insights into the vulnerability of the Q. ilex to future climate change in the Mediterranean ecosystem and highlights the crucial role of Anatolia in the species' historical distribution.
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Affiliation(s)
- Burak Suicmez
- Istanbul University, Institute of Social SciencesIstanbulTürkiye
| | - Meral Avci
- Department of Geography, Faculty of LettersIstanbul UniversityIstanbulTürkiye
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11
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Shipley BR, McGuire JL. Disentangling the drivers of continental mammalian endemism. GLOBAL CHANGE BIOLOGY 2023; 29:2421-2435. [PMID: 36749035 DOI: 10.1111/gcb.16628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 02/03/2023] [Accepted: 02/04/2023] [Indexed: 05/28/2023]
Abstract
Endemic species and species with small ranges are ecologically and evolutionarily distinct and are vulnerable to extinction. Determining which abiotic and biotic factors structure patterns of endemism on continents can advance our understanding of global biogeographic processes, but spatial patterns of mammalian endemism have not yet been effectively predicted and reconstructed. Using novel null model techniques, we reconstruct trends in mammalian endemism and describe the isolated and combined effects of physiographic, ecological, and evolutionary factors on endemism. We calculated weighted endemism for global continental ecoregions and compared the spatial distribution of endemism to niche-based, geographic null models of endemism. These null models distribute species randomly across continents, simulating their range sizes from their degree of climatic specialization. They isolate the effects of physiography (topography and climate) and species richness on endemism. We then ran linear and structural models to determine how topography and historical climate stability influence endemism. The highest rates of mammalian endemism were found in topographically rough, climatically stable ecoregions with many species. The null model that isolated physiography did not closely approximate the observed distribution of endemism (r2 = .09), whereas the null model that incorporated both physiography and species richness did (r2 = .59). The linear models demonstrate that topography and climatic stability both influenced endemism values, but that average climatic niche breadth was not highly correlated with endemism. Climate stability and topography both influence weighted endemism in mammals, but the spatial distribution of mammalian endemism is driven by a combination of physiography and species richness. Despite its relationship to individual range size, average climate niche breadth has only a weak influence on endemism. The results highlight the importance of historical biogeographic processes (e.g. centers of speciation) and geography in driving endemism patterns, and disentangle the mechanisms structuring species ranges worldwide.
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Affiliation(s)
- Benjamin R Shipley
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA
| | - Jenny L McGuire
- School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA
- School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA
- Interdisciplinary Graduate Program in Quantitative Biosciences, Georgia Institute of Technology, Atlanta, Georgia, USA
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12
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Newton LG, Starrett J, Jochim EE, Bond JE. Phylogeography and cohesion species delimitation of California endemic trapdoor spiders within the Aptostichus icenoglei sibling species complex (Araneae: Mygalomorphae: Euctenizidae). Ecol Evol 2023; 13:e10025. [PMID: 37122769 PMCID: PMC10133383 DOI: 10.1002/ece3.10025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/30/2023] [Accepted: 04/05/2023] [Indexed: 05/02/2023] Open
Abstract
Species delimitation is an imperative first step toward understanding Earth's biodiversity, yet what constitutes a species and the relative importance of the various processes by which new species arise continue to be debatable. Species delimitation in spiders has traditionally used morphological characters; however, certain mygalomorph spiders exhibit morphological homogeneity despite long periods of population-level isolation, absence of gene flow, and consequent high degrees of molecular divergence. Studies have shown strong geographic structuring and significant genetic divergence among several species complexes within the trapdoor spider genus Aptostichus, most of which are restricted to the California Floristic Province (CAFP) biodiversity hotspot. Specifically, the Aptostichus icenoglei complex, which comprises the three sibling species, A. barackobamai, A. isabella, and A. icenoglei, exhibits evidence of cryptic mitochondrial DNA diversity throughout their ranges in Northern, Central, and Southern California. Our study aimed to explicitly test species hypotheses within this assemblage by implementing a cohesion species-based approach. We used genomic-scale data (ultraconserved elements, UCEs) to first evaluate genetic exchangeability and then assessed ecological interchangeability of genetic lineages. Biogeographical analysis was used to assess the likelihood of dispersal versus vicariance events that may have influenced speciation pattern and process across the CAFP's complex geologic and topographic landscape. Considering the lack of congruence across data types and analyses, we take a more conservative approach by retaining species boundaries within A. icenoglei.
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Affiliation(s)
- Lacie G. Newton
- Department of Entomology & NematologyUniversity of CaliforniaDavisCaliforniaUSA
| | - James Starrett
- Department of Entomology & NematologyUniversity of CaliforniaDavisCaliforniaUSA
| | - Emma E. Jochim
- Department of Entomology & NematologyUniversity of CaliforniaDavisCaliforniaUSA
| | - Jason E. Bond
- Department of Entomology & NematologyUniversity of CaliforniaDavisCaliforniaUSA
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13
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Yousefi M, Mohammadi S, Kafash A. Modeling global habitat suitability and environmental predictor of distribution of a Near Threatened avian scavenger at a high spatial resolution. Front Ecol Evol 2023. [DOI: 10.3389/fevo.2023.1112962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023] Open
Abstract
Vultures are among the most vulnerable birds in the world. The bearded vulture (Gypaetus barbatus) is among the threatened species of vultures and listed as Near Threatened. The species is widely distributed across the Palearctic, Afrotropical, and Indomalayan regions. The species faces several threats such as poisoning, direct persecution, habitat degradation, and collisions with powerlines and wind power farms. Thus, knowing the global habitat suitability of the species and environmental predictors of the species distribution can facilitate the species conservation. In this study, we applied a maximum entropy approach, 10,585 distribution records, and 10 environmental variables to model the bearded vulture's global habitat suitability at high spatial resolution [30-arc-second (1 km)]. We also estimated protected area coverage for the species' suitable habitats. We identified 8,117,231 km2 of suitable habitat for the species across its global range in Europe, Asia, and Africa. The results showed that topographic diversity is the most important predictor of the species distribution across its distribution range. Results of estimating the area of suitable habitats of the bearded vulture within protected areas revealed that only 16.26% of the species' suitable habitats are protected. The areas that were identified to have the highest suitability for the species have high priority for the conservation of this iconic species thus these areas should be included in the network of protected areas.
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14
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Samuels JX, Calede JJM, Hunt, Jr. RM. The earliest dipodomyine heteromyid in North America and the phylogenetic relationships of geomorph rodents. PeerJ 2023; 11:e14693. [PMID: 36915658 PMCID: PMC10007967 DOI: 10.7717/peerj.14693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 12/14/2022] [Indexed: 03/10/2023] Open
Abstract
Dipodomyine heteromyids (kangaroo rats and mice) are a diverse group of arid-adapted ricochetal rodents of North America. Here, a new genus and species of a large dipodomyine is reported from early Miocene-aged deposits of the John Day Formation in Oregon that represents the earliest record of the subfamily. The taxon is known from a single specimen consisting of a nearly complete skull, dentary, partial pes, and caudal vertebra. The specimen is characterized by a mosaic of ancestral and highly derived cranial features of heteromyids. Specifically, the dental morphology and some cranial characteristics are similar to early heteromyids, but other aspects of morphology, including the exceptionally inflated auditory bullae, are more similar to known dipodomyines. This specimen was included in a phylogenetic analysis comprising 96 characters and the broadest sampling of living and extinct geomorph rodents of any morphological phylogenetic analysis to date. Results support the monophyly of crown-group Heteromyidae exclusive of Geomyidae and place the new taxon within Dipodomyinae. The new heteromyid is the largest known member of the family. Analyses suggest that large body size evolved several times within Heteromyidae. Overall, the morphology of the new heteromyid supports a mosaic evolution of the open-habitat adaptations that characterize kangaroo rats and mice, with the inflation of the auditory bulla appearing early in the group, and bipedality/ricochetal locomotion appearing later. We hypothesize that cooling and drying conditions in the late Oligocene and early Miocene favored adaptations for life in more open habitats, resulting in increased locomotor specialization in this lineage over time from a terrestrial ancestor.
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Affiliation(s)
- Joshua X. Samuels
- Department of Geosciences, Don Sundquist Center of Excellence in Paleontology, East Tennessee State University, Johnson City, TN, United States of America
| | - Jonathan J.-M. Calede
- Department of Evolution, Ecology, and Organismal Biology, Ohio State University—Marion, Marion, OH, United States of America
| | - Robert M. Hunt, Jr.
- Department of Earth and Atmospheric Sciences, University of Nebraska—Lincoln, Lincoln, NE, United States of America
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15
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Scherz MD, Schmidt R, Brown JL, Glos J, Lattenkamp EZ, Rakotomalala Z, Rakotoarison A, Rakotonindrina RT, Randriamalala O, Raselimanana AP, Rasolonjatovo SM, Ratsoavina FM, Razafindraibe JH, Glaw F, Vences M. Repeated divergence of amphibians and reptiles across an elevational gradient in northern Madagascar. Ecol Evol 2023; 13:e9914. [PMID: 36937068 PMCID: PMC10019947 DOI: 10.1002/ece3.9914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 02/22/2023] [Accepted: 02/28/2023] [Indexed: 03/18/2023] Open
Abstract
How environmental factors shape patterns of biotic diversity in tropical ecosystems is an active field of research, but studies examining the possibility of ecological speciation in terrestrial tropical ecosystems are scarce. We use the isolated rainforest herpetofauna on the Montagne d'Ambre (Amber Mountain) massif in northern Madagascar as a model to explore elevational divergence at the level of populations and communities. Based on intensive sampling and DNA barcoding of amphibians and reptiles along a transect ranging from ca. 470-1470 m above sea level (a.s.l.), we assessed a main peak in species richness at an elevation of ca. 1000 m a.s.l. with 41 species. The proportion of local endemics was highest (about 1/3) at elevations >1100 m a.s.l. Two species of chameleons (Brookesia tuberculata, Calumma linotum) and two species of frogs (Mantidactylus bellyi, M. ambony) studied in depth by newly developed microsatellite markers showed genetic divergence up the slope of the mountain, some quite strong, others very weak, but in each case with genetic breaks between 1100 and 1270 m a.s.l. Genetic clusters were found in transect sections significantly differing in bioclimate and herpetological community composition. A decrease in body size was detected in several species with increasing elevation. The studied rainforest amphibians and reptiles show concordant population genetic differentiation across elevation along with morphological and niche differentiation. Whether this parapatric or microallopatric differentiation will suffice for the completion of speciation is, however, unclear, and available phylogeographic evidence rather suggests that a complex interplay between ecological and allopatric divergence processes is involved in generating the extraordinary species diversity of Madagascar's biota. Our study reveals concordant patterns of diversification among main elevational bands, but suggests that these adaptational processes are only part of the complex of processes leading to species formation, among which geographical isolation is probably also important.
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Affiliation(s)
- Mark D. Scherz
- Zoologisches InstitutTechnische Universität BraunschweigBraunschweigGermany
- Natural History Museum of DenmarkUniversity of CopenhagenCopenhagen ØDenmark
| | - Robin Schmidt
- Zoologisches InstitutTechnische Universität BraunschweigBraunschweigGermany
| | - Jason L. Brown
- School of Biological SciencesSouthern Illinois UniversityCarbondaleIllinoisUSA
| | - Julian Glos
- Institute of Cell and Systems BiologyUniversität HamburgHamburgGermany
| | - Ella Z. Lattenkamp
- Neurogenetics of Vocal Communication GroupMax Planck Institute for PsycholinguisticsNijmegenThe Netherlands
- Division of Neurobiology, Department of Biology IILudwig Maximilians University MunichMartinsriedGermany
| | | | - Andolalao Rakotoarison
- Mention Zoologie et Biodiversité AnimaleUniversité d'AntananarivoAntananarivoMadagascar
- School for International TrainingAntananarivoMadagascar
| | | | - Onja Randriamalala
- Mention Zoologie et Biodiversité AnimaleUniversité d'AntananarivoAntananarivoMadagascar
| | - Achille P. Raselimanana
- Mention Zoologie et Biodiversité AnimaleUniversité d'AntananarivoAntananarivoMadagascar
- Association VahatraAntananarivoMadagascar
| | - Safidy M. Rasolonjatovo
- Mention Zoologie et Biodiversité AnimaleUniversité d'AntananarivoAntananarivoMadagascar
- Association VahatraAntananarivoMadagascar
| | | | - Jary H. Razafindraibe
- Mention Zoologie et Biodiversité AnimaleUniversité d'AntananarivoAntananarivoMadagascar
| | - Frank Glaw
- Zoologische Staatssammlung München (ZSM‐SNSB)MunichGermany
| | - Miguel Vences
- Zoologisches InstitutTechnische Universität BraunschweigBraunschweigGermany
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16
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Vallejos-Garrido P, Pino K, Espinoza-Aravena N, Pari A, Inostroza-Michael O, Toledo-Muñoz M, Castillo-Ravanal B, Romero-Alarcón V, Hernández CE, Palma RE, Rodríguez-Serrano E. The importance of the Andes in the evolutionary radiation of Sigmodontinae (Rodentia, Cricetidae), the most diverse group of mammals in the Neotropics. Sci Rep 2023; 13:2207. [PMID: 36750620 PMCID: PMC9905555 DOI: 10.1038/s41598-023-28497-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 01/19/2023] [Indexed: 02/09/2023] Open
Abstract
The Andean mountains stand out for their striking species richness and endemicity that characterize many emblematic Neotropical clades distributed in or around these mountains. The radiation of the Sigmodontinae subfamily, the most diversified mammalian group in the Neotropics, has been historically related to Andean orogenesis. We aim to evaluate this interplay between geological processes and biological responses through the diversification dynamics, the biogeographical history, and the range evolution of the subfamily. For these, we built the most comprehensive phylogeny and gathered 14,836 occurrences for the subfamily. We identified one shift in the speciation rate in the genus Akodon, which suffered their Andean radiation after the arrival of non-Andean ancestors. Our biogeographic analyses show multiple dispersal paths throughout the evolution that allowed this subfamily to colonize all Neotropics. The Northern Andes and Central-Southern Andes were the most important sources of diversity. In addition, the Central-Southern Andes were the most relevant sink, receiving the highest number of lineages. The Andean region exhibited higher speciation and turnover rates than non-Andean regions. Thus, our results support the crucial role of the Andean Mountains in the Sigmodontinae radiation, acting as a "macroevolutionary cradle" and "species attractor" for several sigmodontine lineages at different times, and as a "species pump" becoming the biogeographic source of multiple widely distributed neotropical lineages. Then, complex macroevolutionary dynamics would explain these rodents' high extant Andean diversity and their wide distribution in the Neotropics.
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Affiliation(s)
- Paulo Vallejos-Garrido
- Programa de Doctorado en Sistemática y Biodiversidad, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile.,Laboratorio de Mastozoología, Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile.,Vida Silvestre Investigadores Limitada, Concepción, Chile
| | - Kateryn Pino
- Programa de Doctorado en Sistemática y Biodiversidad, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile.,Laboratorio de Mastozoología, Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile.,Museo de Historia Natural, Universidad Nacional de San Agustín de Arequipa, Arequipa, Perú
| | - Nicolás Espinoza-Aravena
- Programa de Doctorado en Sistemática y Biodiversidad, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile.,Laboratorio de Ecología Evolutiva y Filoinformática, Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile
| | - Alexander Pari
- Programa de Doctorado en Sistemática y Biodiversidad, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile.,Laboratorio de Mastozoología, Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile.,Museo de Historia Natural, Universidad Nacional de San Agustín de Arequipa, Arequipa, Perú
| | - Oscar Inostroza-Michael
- Laboratorio de Ecología Evolutiva y Filoinformática, Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile
| | - Macarena Toledo-Muñoz
- Programa de Magíster en Ciencias Mención Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile.,Laboratorio de Mastozoología, Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile
| | - Boris Castillo-Ravanal
- Programa de Magíster en Ciencias Mención Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile.,Laboratorio de Mastozoología, Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile
| | | | - Cristián E Hernández
- Laboratorio de Ecología Evolutiva y Filoinformática, Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile.,Universidad Católica de Santa María, Arequipa, Perú
| | - R Eduardo Palma
- Laboratorio de Biología Evolutiva, Departamento de Ecología, Facultad de Ciencias Biológicas, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Enrique Rodríguez-Serrano
- Laboratorio de Mastozoología, Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Concepción, Chile.
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17
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Fu P, Favre A, Wang R, Huang Y, Sun S. Between allopatry and secondary contact: differentiation and hybridization among three sympatric Gentiana species in the Qinghai-Tibet Plateau. BMC PLANT BIOLOGY 2022; 22:504. [PMID: 36307765 PMCID: PMC9615307 DOI: 10.1186/s12870-022-03879-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
BACKGROUND Mountains of the world host a significant portion of all terrestrial biodiversity, and the region of the Qinghai-Tibet Plateau (QTP) stands as one of the most remarkable mountain regions on Earth. Because many explosive radiations occurred there, the QTP is a natural laboratory which is ideal to investigate patterns and processes linked to speciation and diversification. Indeed, understanding how closely related and sympatric species diverged is vital to explore drivers fostering speciation, a topic only rarely investigated in the QTP. By combining genomic and environmental data, we explored the speciation process among three closely related and sympatric species, Gentiana hexaphylla, G. lawrencei and G. veitchiorum in the QTP region. RESULTS Combining genome sizes and cytological data, our results showed that G. hexaphylla and G. veitchiorum are diploid, whereas G. lawrencei is tetraploid. Genetic clustering and phylogenetic reconstruction based on genomic SNPs indicated a clear divergence among the three species. Bayesian clustering, migrant, and D-statistic analyses all showed an obvious signature of hybridization among the three species, in particular between G. lawrencei and both G. hexaphylla and G. veitchiorum in almost all populations. Environmental variables related to precipitation and particularly temperature showed significant differences among the three gentians, and in fact a redundancy analysis confirmed that temperature and precipitation were the major climatic factors explaining the genetic differentiation among the three species. CONCLUSION Our study suggested that ancient hybridization, polyploidization, geological isolation and the evolution of different climatic preferences were all likely to be involved in the divergence of the three Gentiana species, as may be the case for many other taxa in the QTP region.
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Affiliation(s)
- Pengcheng Fu
- School of Life Science, Luoyang Normal University, 6 Jiqing Road, 471934, Luoyang, P. R. China
| | - Adrien Favre
- Regional nature park of the Trient Valley, La Place 24, 1922, Salvan, Switzerland
| | - Rui Wang
- School of Life Science, Luoyang Normal University, 6 Jiqing Road, 471934, Luoyang, P. R. China
| | - Yizhuo Huang
- School of Life Science, Luoyang Normal University, 6 Jiqing Road, 471934, Luoyang, P. R. China
| | - Shanshan Sun
- School of Life Science, Luoyang Normal University, 6 Jiqing Road, 471934, Luoyang, P. R. China.
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18
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Wijayawardene NN, Dai DQ, Jayasinghe PK, Gunasekara SS, Nagano Y, Tibpromma S, Suwannarach N, Boonyuen N. Ecological and Oceanographic Perspectives in Future Marine Fungal Taxonomy. J Fungi (Basel) 2022; 8:1141. [PMID: 36354908 PMCID: PMC9696965 DOI: 10.3390/jof8111141] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/21/2022] [Accepted: 10/22/2022] [Indexed: 11/07/2023] Open
Abstract
Marine fungi are an ecological rather than a taxonomic group that has been widely researched. Significant progress has been made in documenting their phylogeny, biodiversity, ultrastructure, ecology, physiology, and capacity for degradation of lignocellulosic compounds. This review (concept paper) summarizes the current knowledge of marine fungal diversity and provides an integrated and comprehensive view of their ecological roles in the world's oceans. Novel terms for 'semi marine fungi' and 'marine fungi' are proposed based on the existence of fungi in various oceanic environments. The major maritime currents and upwelling that affect species diversity are discussed. This paper also forecasts under-explored regions with a greater diversity of marine taxa based on oceanic currents. The prospects for marine and semi-marine mycology are highlighted, notably, technological developments in culture-independent sequencing approaches for strengthening our present understanding of marine fungi's ecological roles.
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Affiliation(s)
- Nalin N. Wijayawardene
- Centre for Yunnan Plateau Biological Resources Protection and Utilization, College of Biological Resource and Food Engineering, Qujing Normal University, Qujing 655011, China
- Section of Genetics, Institute for Research and Development in Health and Social Care, No: 393/3, Lily Avenue, Off Robert Gunawardane Mawatha, Battaramulla 10120, Sri Lanka
- National Institute of Fundamental Studies, Hantana Road, Kandy 20000, Sri Lanka
| | - Don-Qin Dai
- Centre for Yunnan Plateau Biological Resources Protection and Utilization, College of Biological Resource and Food Engineering, Qujing Normal University, Qujing 655011, China
| | - Prabath K. Jayasinghe
- National Aquatic Resources Research and Development Agency (NARA), Crow Island, Colombo 00150, Sri Lanka
| | - Sudheera S. Gunasekara
- National Aquatic Resources Research and Development Agency (NARA), Crow Island, Colombo 00150, Sri Lanka
| | - Yuriko Nagano
- Deep-Sea Biodiversity Research Group, Marine Biodiversity and Environmental Assessment Research Center, Research Institute for Global Change (RIGC), Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2-15 Natsushima-cho, Yokosuka 237-0061, Japan
| | - Saowaluck Tibpromma
- Centre for Yunnan Plateau Biological Resources Protection and Utilization, College of Biological Resource and Food Engineering, Qujing Normal University, Qujing 655011, China
| | - Nakarin Suwannarach
- Research Center of Microbial Diversity and Sustainable Utilization, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Nattawut Boonyuen
- Plant Microbe Interaction Research Team (APMT), National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Phahonyothin Road, Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand
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19
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Loke LHL, Chisholm RA. Measuring habitat complexity and spatial heterogeneity in ecology. Ecol Lett 2022; 25:2269-2288. [PMID: 35977844 PMCID: PMC9804605 DOI: 10.1111/ele.14084] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 05/03/2022] [Accepted: 07/09/2022] [Indexed: 01/05/2023]
Abstract
Habitat complexity has been considered a key driver of biodiversity and other ecological phenomena for nearly a century. However, there is still no consensus over the definition of complexity or how to measure it. Up-to-date and clear guidance on measuring complexity is urgently needed, particularly given the rise of remote sensing and advent of technologies that allow environments to be scanned at unprecedented spatial extents and resolutions. Here we review how complexity is measured in ecology. We provide a framework for metrics of habitat complexity, and for the related concept of spatial heterogeneity. We focus on the two most commonly used complexity metrics in ecology: fractal dimension and rugosity. We discuss the pros and cons of these metrics using practical examples from our own empirical data and from simulations. Fractal dimension is particularly widely used, and we provide a critical examination of it drawing on research from other scientific fields. We also discuss informational metrics of complexity and their potential benefits. We chart a path forward for research on measuring habitat complexity by presenting, as a guide, sets of essential and desirable criteria that a metric of complexity should possess. Lastly, we discuss the applied significance of our review.
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Affiliation(s)
- Lynette H. L. Loke
- School of Natural Sciences, Faculty of Science and EngineeringMacquarie UniversityNorth RydeNew South WalesAustralia
| | - Ryan A. Chisholm
- Department of Biological SciencesNational University of SingaporeSingapore CitySingapore
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20
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Gamboa S, Condamine FL, Cantalapiedra JL, Varela S, Pelegrín JS, Menéndez I, Blanco F, Hernández Fernández M. A phylogenetic study to assess the link between biome specialization and diversification in swallowtail butterflies. GLOBAL CHANGE BIOLOGY 2022; 28:5901-5913. [PMID: 35838418 PMCID: PMC9543414 DOI: 10.1111/gcb.16344] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 06/10/2022] [Indexed: 06/15/2023]
Abstract
The resource-use hypothesis, proposed by E.S. Vrba, states that habitat fragmentation caused by climatic oscillations would affect particularly biome specialists (species inhabiting only one biome), which might show higher speciation and extinction rates than biome generalists. If true, lineages would accumulate biome-specialist species. This effect would be particularly exacerbated for biomes located at the periphery of the global climatic conditions, namely, biomes that have high/low precipitation and high/low temperature such as rainforest (warm-humid), desert (warm-dry), steppe (cold-dry) and tundra (cold-humid). Here, we test these hypotheses in swallowtail butterflies, a clade with more than 570 species, covering all the continents but Antarctica, and all climatic conditions. Swallowtail butterflies are among the most studied insects, and they are a model group for evolutionary biology and ecology studies. Continental macroecological rules are normally tested using vertebrates, this means that there are fewer examples exploring terrestrial invertebrate patterns at global scale. Here, we compiled a large Geographic Information System database on swallowtail butterflies' distribution maps and used the most complete time-calibrated phylogeny to quantify diversification rates (DRs). In this paper, we aim to answer the following questions: (1) Are there more biome-specialist swallowtail butterflies than biome generalists? (2) Is DR related to biome specialization? (3) If so, do swallowtail butterflies inhabiting extreme biomes show higher DRs? (4) What is the effect of species distribution area? Our results showed that swallowtail family presents a great number of biome specialists which showed substantially higher DRs compared to generalists. We also found that biome specialists are unevenly distributed across biomes. Overall, our results are consistent with the resource-use hypothesis, species climatic niche and biome fragmentation as key factors promoting isolation.
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Affiliation(s)
- Sara Gamboa
- Centro de Investigación Mariña (CIM)Universidade de Vigo, Grupo de Ecoloxía Animal (GEA), MAPAS LabVigoPontevedraSpain
- Departamento de Geodinámica, Estratigrafía y Paleontología, Facultad de Ciencias GeológicasUniversidad Complutense de MadridMadridSpain
- Departamento de Cambio MedioambientalInstituto de Geociencias (UCM, CSIC)MadridSpain
- CNRSUMR 5554 Institut des Sciences de l'Evolution de Montpellier (Université de Montpellier)MontpellierFrance
| | - Fabien L. Condamine
- CNRSUMR 5554 Institut des Sciences de l'Evolution de Montpellier (Université de Montpellier)MontpellierFrance
| | - Juan L. Cantalapiedra
- Departamento de Ciencias de la Vida, Edificio de Ciencias Campus Científico‐TecnológicoUniversidad de AlcaláAlcalá de HenaresSpain
| | - Sara Varela
- Centro de Investigación Mariña (CIM)Universidade de Vigo, Grupo de Ecoloxía Animal (GEA), MAPAS LabVigoPontevedraSpain
| | - Jonathan S. Pelegrín
- Área de Biología y Ciencias Ambientales Facultades de Ciencias Básicas y EducaciónUniversidad Santiago de CaliSantiago de CaliValle del CaucaColombia
- Departamento de Biología, Facultad de Ciencias Naturales y ExactasUniversidad del Valle, Campus MeléndezSantiago de CaliValle del CaucaColombia
| | - Iris Menéndez
- Departamento de Geodinámica, Estratigrafía y Paleontología, Facultad de Ciencias GeológicasUniversidad Complutense de MadridMadridSpain
- Departamento de Cambio MedioambientalInstituto de Geociencias (UCM, CSIC)MadridSpain
| | - Fernando Blanco
- Museum für Naturkunde, Leibniz‐Institut für Evolutions und BiodiversitätsforschungBerlinGermany
| | - Manuel Hernández Fernández
- Departamento de Geodinámica, Estratigrafía y Paleontología, Facultad de Ciencias GeológicasUniversidad Complutense de MadridMadridSpain
- Departamento de Cambio MedioambientalInstituto de Geociencias (UCM, CSIC)MadridSpain
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21
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Gates TA, Cai H, Hu Y, Han X, Griffith E, Burgener L, Hyland E, Zanno LE. Estimating ancient biogeographic patterns with statistical model discrimination. Anat Rec (Hoboken) 2022. [PMID: 36151605 DOI: 10.1002/ar.25067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/22/2022] [Accepted: 08/15/2022] [Indexed: 11/06/2022]
Abstract
The geographic ranges in which species live is a function of many factors underlying ecological and evolutionary contingencies. Observing the geographic range of an individual species provides valuable information about these historical contingencies for a lineage, determining the distribution of many distantly related species in tandem provides information about large-scale constraints on evolutionary and ecological processes generally. We present a linear regression method that allows for the discrimination of various hypothetical biogeographical models for determining which landscape distributional pattern best matches data from the fossil record. The linear regression models used in the discrimination rely on geodesic distances between sampling sites (typically geologic formations) as the independent variable and three possible dependent variables: Dice/Sorensen similarity; Euclidean distance; and phylogenetic community dissimilarity. Both the similarity and distance measures are useful for full-community analyses without evolutionary information, whereas the phylogenetic community dissimilarity requires phylogenetic data. Importantly, the discrimination method uses linear regression residual error to provide relative measures of support for each biogeographical model tested, not absolute answers or p-values. When applied to a recently published dataset of Campanian pollen, we find evidence that supports two plant communities separated by a transitional zone of unknown size. A similar case study of ceratopsid dinosaurs using phylogenetic community dissimilarity provided no evidence of a biogeographical pattern, but this case study suffers from a lack of data to accurately discriminate and/or too much temporal mixing. Future research aiming to reconstruct the distribution of organisms across a landscape has a statistical-based method for determining what biogeographic distributional model best matches the available data.
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Affiliation(s)
- Terry A Gates
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA.,North Carolina Museum of Natural Sciences, Raleigh, North Carolina, USA
| | - Hengrui Cai
- Department of Statistics, University of California Irvine, Irvine, California, USA
| | - Yifei Hu
- Department of Statistics, North Carolina State University, Raleigh, North Carolina, USA
| | - Xu Han
- Department of Statistics, North Carolina State University, Raleigh, North Carolina, USA
| | - Emily Griffith
- Department of Statistics, North Carolina State University, Raleigh, North Carolina, USA
| | | | - Ethan Hyland
- Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, North Carolina, USA
| | - Lindsay E Zanno
- Department of Biological Sciences, North Carolina State University, Raleigh, North Carolina, USA.,North Carolina Museum of Natural Sciences, Raleigh, North Carolina, USA
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22
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Yousefi M, Kafash A, Nicolaï MPJ. Reptile richness and genetic divergence patterns were shaped by current and past climate in and around the
Irano‐Anatolian
global biodiversity hotspot: Implications for conservation. DIVERS DISTRIB 2022. [DOI: 10.1111/ddi.13616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Affiliation(s)
- Masoud Yousefi
- Department of Animal Science, School of Biology Damghan University Damghan Iran
| | - Anooshe Kafash
- Faculty of Natural Resources, Department of Environmental Sciences University of Tehran Tehran Iran
| | - Michaël P. J. Nicolaï
- Biology Department, Evolution and Optics of Nanostructures Group Ghent University Ghent Belgium
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23
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Remote Sensing and Phytoecological Methods for Mapping and Assessing Potential Ecosystem Services of the Ouled Hannèche Forest in the Hodna Mountains, Algeria. FORESTS 2022. [DOI: 10.3390/f13081159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Regardless of their biogeographic origins or degree of artificialization, the world’s forests are a source of a wide range of ecosystem services (ES). However, the quality and quantity of these services depend on the type of forest studied and its phytogeographic context. Our objective is to transpose the concept of ES, in particular, the assessment of forest ES, to the specific Mediterranean context of the North African mountains, where this issue is still in its infancy and where access to the data needed for assessment remains difficult. Our work presents an introductory approach, allowing us to set up methodological and scientific milestones based on open-access remote sensing data and already tested geospatial processing associated with phytoecological surveys to assess the ES provided by forests in an Algerian study area. Specifically, several indicators used to assess (both qualitatively and quantitatively) the potential ES of the Ouled Hannèche forest, a forest located in the Hodna Mountains, are derived from LANDSAT 8 OLI images from 2017 and an ALOS AW3D30 DSM. The qualitative ES typology is jointly based on an SVM classification of topographically corrected LANDSAT images and a geomorphic-type classification using the geomorphon method. NDVI is a quantitative estimator of many plant ecosystem functions related to ES. It highlights the variations in the provision of ES according to the types of vegetation formations present. It serves as a support for estimating spectral heterogeneity through Rao’s quadratic entropy, which is considered a relative indicator of biodiversity at the landscape scale. The two previous variables (the multitemporal NDVI and Rao’s Q), completed by the Shannon entropy method applied to the geomorphon classes as a proxy for topo-morphological heterogeneity, constitute the input variables of a quantitative map of the potential supply of ES in the forest determined by Spatial Multicriteria Analysis (SMCA). Ultimately, our results serve as a useful basis for land-use planning and biodiversity conservation.
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24
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Wambulwa MC, Luo YH, Zhu GF, Milne R, Wachira FN, Wu ZY, Wang H, Gao LM, Li DZ, Liu J. Determinants of Genetic Structure in a Highly Heterogeneous Landscape in Southwest China. FRONTIERS IN PLANT SCIENCE 2022; 13:779989. [PMID: 35574120 PMCID: PMC9097793 DOI: 10.3389/fpls.2022.779989] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Accepted: 04/04/2022] [Indexed: 06/15/2023]
Abstract
Intra-specific genetic diversity is a fundamental component of biodiversity, and is key to species adaptation and persistence. However, significant knowledge gaps still exist in our understanding of the patterns of genetic diversity and their key determinants. Most previous investigations mainly utilized single-species and/or a limited number of explanatory variables; so here we mapped the patterns of plastid genetic diversity within 15 plant species, and explored the key determinants shaping these patterns using a wide range of variables. Population-level cpDNA sequence data for 15 plant species from the Longitudinal Range Gorge Region (LRGR), southwest China, were retrieved from literature and used to estimate haplotype diversity (H D) and population pairwise genetic differentiation (F ST) indices. Genetic diversity and divergence landscape surfaces were then generated based on the H D and F ST, respectively, to clarify the patterns of genetic structure in the region. Subsequently, we analyzed the relationships between plastid genetic diversity and 16 explanatory variables (classified as anthropogenic, climatic, and topographic). We found that the highest genetic diversity occurred in the Yulong Mountain region, with a significant proportion (~74.81%) of the high diversity land area being located outside of protected areas. The highest genetic divergence was observed approximately along the 25°N latitudinal line, with notable peaks in the western and eastern edges of the LRGR. Genetic diversity (H D) was weakly but significantly positively correlated with both Latitude (lat) and Annual Mean Wet Day Frequency (wet), yet significantly negatively correlated with all of Longitude (long), Annual Mean Cloud Cover Percent (cld), Annual Mean Anthropogenic Flux (ahf), and Human Footprint Index (hfp). A combination of climatic, topographic, and anthropogenic factors explained a significant proportion (78%) of genetic variation, with topographic factors (lat and long) being the best predictors. Our analysis identified areas of high genetic diversity (genetic diversity "hotspots") and divergence in the region, and these should be prioritized for conservation. This study contributes to a better understanding of the features that shape the distribution of plastid genetic diversity in the LRGR and thus would inform conservation management efforts in this species-rich, but vulnerable region.
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Affiliation(s)
- Moses C. Wambulwa
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- Department of Life Sciences, School of Science and Computing, South Eastern Kenya University, Kitui, Kenya
| | - Ya-Huang Luo
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Guang-Fu Zhu
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- University of the Chinese Academy of Sciences, Beijing, China
| | - Richard Milne
- School of Biological Sciences, Institute of Molecular Plant Sciences, University of Edinburgh, Edinburgh, United Kingdom
| | - Francis N. Wachira
- Department of Life Sciences, School of Science and Computing, South Eastern Kenya University, Kitui, Kenya
| | - Zeng-Yuan Wu
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Hong Wang
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
| | - Lian-Ming Gao
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- Lijiang Forest Biodiversity National Observation and Research Station, Kunming Institute of Botany, Chinese Academy of Sciences, Lijiang, China
| | - De-Zhu Li
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- Lijiang Forest Biodiversity National Observation and Research Station, Kunming Institute of Botany, Chinese Academy of Sciences, Lijiang, China
| | - Jie Liu
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
- Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, China
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25
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Yan Li, Chang Y, He X, Xu S, Su D. Effect of Environmental Factors on the Spatial Diversity Distribution Patterns of Lycophytes and Ferns in Northeast China. RUSS J ECOL+ 2022. [DOI: 10.1134/s1067413622020096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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Dar AA, Parthasarathy N. Tree species composition, stand structure and distribution patterns across three Kashmir Himalayan forests, India. ECOSCIENCE 2022. [DOI: 10.1080/11956860.2022.2048534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Ashaq Ahmad Dar
- Department of Ecology and Environmental Sciences, School of Life Sciences, Pondicherry University, Puducherry, India
| | - Narayanaswamy Parthasarathy
- Department of Ecology and Environmental Sciences, School of Life Sciences, Pondicherry University, Puducherry, India
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27
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Matavelli R, Oliveira JM, Soininen J, Ribeiro MC, Bertoluci J. Altitude and temperature drive anuran community assembly in a Neotropical mountain region. Biotropica 2022. [DOI: 10.1111/btp.13074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rodrigo Matavelli
- Escola Superior de Agricultura Luiz de Queiroz Universidade de São Paulo (ESALQ/USP) Piracicaba Brazil
- Laboratório de Ecologia Espacial e Conservação (LEEC) Departamento de Biodiversidade Universidade Estadual Paulista (UNESP) Rio Claro Brazil
| | - Juliano Machado Oliveira
- Laboratório de Ecologia Espacial e Conservação (LEEC) Departamento de Biodiversidade Universidade Estadual Paulista (UNESP) Rio Claro Brazil
| | - Janne Soininen
- Department of Geosciences and Geography University of Helsinki Helsinki Finland
| | - Milton Cezar Ribeiro
- Laboratório de Ecologia Espacial e Conservação (LEEC) Departamento de Biodiversidade Universidade Estadual Paulista (UNESP) Rio Claro Brazil
| | - Jaime Bertoluci
- Escola Superior de Agricultura Luiz de Queiroz Universidade de São Paulo (ESALQ/USP) Piracicaba Brazil
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28
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Pavón-Vázquez CJ, Brennan IG, Skeels A, Keogh JS. Competition and geography underlie speciation and morphological evolution in Indo-Australasian monitor lizards. Evolution 2022; 76:476-495. [PMID: 34816437 DOI: 10.1111/evo.14403] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 10/06/2021] [Accepted: 10/16/2021] [Indexed: 01/21/2023]
Abstract
How biotic and abiotic factors act together to shape biological diversity is a major question in evolutionary biology. The recent availability of large datasets and development of new methodological approaches provide new tools to evaluate the predicted effects of ecological interactions and geography on lineage diversification and phenotypic evolution. Here, we use a near complete phylogenomic-scale phylogeny and a comprehensive morphological dataset comprising more than a thousand specimens to assess the role of biotic and abiotic processes in the diversification of monitor lizards (Varanidae). This charismatic group of lizards shows striking variation in species richness among its clades and multiple instances of endemic radiation in Indo-Australasia (i.e., the Indo-Australian Archipelago and Australia), one of Earth's most biogeographically complex regions. We found heterogeneity in diversification dynamics across the family. Idiosyncratic biotic and geographic conditions appear to have driven diversification and morphological evolution in three endemic Indo-Australasian radiations. Furthermore, incumbency effects partially explain patterns in the biotic exchange between Australia and New Guinea. Our results offer insight into the dynamic history of Indo-Australasia, the evolutionary significance of competition, and the long-term consequences of incumbency effects.
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Affiliation(s)
- Carlos J Pavón-Vázquez
- Division of Ecology and Evolution, Research School of Biology, Australian National University, Canberra, ACT 2601, Australia.,Current Address: Department of Biological Sciences, New York City College of Technology, City University of New York, Brooklyn, New York, 11201
| | - Ian G Brennan
- Division of Ecology and Evolution, Research School of Biology, Australian National University, Canberra, ACT 2601, Australia
| | - Alexander Skeels
- Landscape Ecology, Department of Environmental Systems Science, Institute of Terrestrial Ecosystems, ETH Zürich, Zürich, CH-8092, Switzerland.,Swiss Federal Research Institute for Forest, Snow and Landscape Research (WSL), Birmensdorf, CH-8903, Switzerland
| | - J Scott Keogh
- Division of Ecology and Evolution, Research School of Biology, Australian National University, Canberra, ACT 2601, Australia
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29
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Ikeda H. Decades-long phylogeographic issues: complex historical processes and ecological factors on genetic structure of alpine plants in the Japanese Archipelago. JOURNAL OF PLANT RESEARCH 2022; 135:191-201. [PMID: 35166981 PMCID: PMC8894158 DOI: 10.1007/s10265-022-01377-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 01/30/2022] [Indexed: 06/14/2023]
Abstract
Mountain regions are important places for biodiversity, where organisms could persist throughout prolonged periods and accumulate genetic divergence as well as promote speciation. Roles of mountains for biodiversity have been exclusively discussed in regions that have specifically diverse species or covered with ice-sheets during the Pleistocene glacial periods, whereas the importance of mountainous regions in East Asia has been less disputed. High mountains in the Japanese Archipelago, located at the eastern edge of the Eurasia continent, have one of southernmost populations of alpine and arctic-alpine plants that are also distributed in the northern Pacific and/or the circumarctic regions. Phylogeographic studies on the Japanese alpine plants have excluded their possible ephemeral occurrence during the current warm period, and rather, suggest persistence of alpine plants throughout several cycles of climate changes in the Pleistocene on high mountains in central Honshu, the main island of the Japanese Archipelago. In this review, I look through decade long phylogeographic studies and show complicated patterns of range dynamics of Japanese alpine plants. In addition, I note recent findings of genetic relationships of Japanese populations of alpine and/or arctic-alpine plants with those in northern regions and their possible ecological divergence in the Japanese Archipelago. Taken together, I provide several issues for understanding historical processes that established distribution of alpine plants following climate changes as well as their diversification and propose importance of Japanese populations of alpine plants on biodiversity in alpine communities across broader range, especially in the northern Pacific region.
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Affiliation(s)
- Hajime Ikeda
- Institute of Plant Science and Resources, Okayama University, 2-20-1 Chuo, Kurashiki, Okayama, 710-0046, Japan.
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30
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Bai L, Wang Z, Lu Y, Tian J, Peng Y. Monthly rather than annual climate variation determines plant diversity change in four temperate grassland nature reserves. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:10357-10365. [PMID: 34523091 DOI: 10.1007/s11356-021-16473-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 09/05/2021] [Indexed: 06/13/2023]
Abstract
Plant diversity is changing in the world; climate variation at annual scale is believed to drive these changes; however, the effects of climate variation at month scale are still unknown. Anxi, West Ordos, Xilingol, and Tumuji grassland nature reserves, located in northern China, have been well protected from human disturbance, are ideal areas to identify the drive forces for plant diversity change. Using Landsat images from 1982 to 2017, we analyzed the evolution of month- and annual-climate variables and spectral plant diversity indices, and explored the effects of the variability of temperature and precipitation on plant diversity and their relationship. The results showed that the diversity of the four grasslands was decreasing. Climate variables, in particular temperature at month scale, significantly related to grassland plant diversity. These results enlarge our understanding in how climate change driving plant diversity during a long term. Measurements coping with plant diversity decreasing may be more effective and earlier based on monthly climate variables.
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Affiliation(s)
- Lan Bai
- College of Life and Environmental Sciences, Minzu University of China, No. 27 Zhongguancun South Street, Haidian District, Beijing, 100081, China
| | - Zhaohua Wang
- College of Life and Environmental Sciences, Minzu University of China, No. 27 Zhongguancun South Street, Haidian District, Beijing, 100081, China
| | - Yitong Lu
- College of Life and Environmental Sciences, Minzu University of China, No. 27 Zhongguancun South Street, Haidian District, Beijing, 100081, China
| | - Jialing Tian
- College of Life and Environmental Sciences, Minzu University of China, No. 27 Zhongguancun South Street, Haidian District, Beijing, 100081, China
| | - Yu Peng
- College of Life and Environmental Sciences, Minzu University of China, No. 27 Zhongguancun South Street, Haidian District, Beijing, 100081, China.
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31
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Topography of the Dolomites modulates range dynamics of narrow endemic plants under climate change. Sci Rep 2022; 12:1398. [PMID: 35082360 PMCID: PMC8792058 DOI: 10.1038/s41598-022-05440-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 01/11/2022] [Indexed: 11/09/2022] Open
Abstract
AbstractClimate change is expected to threaten endemic plants in the Alps. In this context, the factors that may modulate species responses are rarely investigated at a local scale. We analyzed eight alpine narrow endemics of the Dolomites (southeastern Alps) under different predicted climate change scenarios at fine spatial resolutions. We tested possible differences in elevation, topographic heterogeneity and velocity of climate change among areas of gained, lost, or stable climatic habitat. The negative impact of climate change ranged from moderate to severe, depending on scenario and species. Generally, range loss occurred at the lowest elevations, while gained and stable areas were located at highest elevations. For six of the species, climate change velocity had higher values in stable and gained areas than in lost ones. Our findings support the role of topographic heterogeneity in maintaining climatic microrefugia, however, the peculiar topography of the Dolomites, characterized by high altitude plateaus, resulted in high climate change velocity in areas of projected future climatic suitability. Our study supports the usefulness of multiple predictors of spatio-temporal range dynamics for regional climate-adapted management and eventual assisted colonization planning to not overlook or overestimate the potential impact of climate change locally.
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32
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Val P, Lyons NJ, Gasparini N, Willenbring JK, Albert JS. Landscape Evolution as a Diversification Driver in Freshwater Fishes. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2021.788328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The exceptional concentration of vertebrate diversity in continental freshwaters has been termed the “freshwater fish paradox,” with > 15,000 fish species representing more than 20% of all vertebrate species compressed into tiny fractions of the Earth’s land surface area (<0.5%) or total aquatic habitat volume (<0.001%). This study asks if the fish species richness of the world’s river basins is explainable in terms of river captures using topographic metrics as proxies. The River Capture Hypothesis posits that drainage-network rearrangements have accelerated biotic diversification through their combined effects on dispersal, speciation, and extinction. Yet rates of river capture are poorly constrained at the basin scale worldwide. Here we assess correlations between fish species density (data for 14,953 obligate freshwater fish species) and basin-wide metrics of landscape evolution (data for 3,119 river basins), including: topography (elevation, average relief, slope, drainage area) and climate (average rainfall and air temperature). We assess the results in the context of both static landscapes (e.g., species-area and habitat heterogeneity relationships) and transient landscapes (e.g., river capture, tectonic activity, landscape disequilibrium). We also relax assumptions of functional neutrality of basins (tropical vs. extratropical, tectonically stable vs. active terrains). We found a disproportionate number of freshwater species in large, lowland river basins of tropical South America, Africa, and Southeast Asia, under predictable conditions of large geographic area, tropical climate, low topographic relief, and high habitat volume (i.e., high rainfall rates). However, our results show that these conditions are only necessary, but not fully sufficient, to explain the basins with the highest diversity. Basins with highest diversity are all located on tectonically stable regions, places where river capture is predicted to be most conducive to the formation of high fish species richness over evolutionary timescales. Our results are consistent with predictions of several landscape evolution models, including the River Capture Hypothesis, Mega Capture Hypothesis, and Intermediate Capture Rate Hypothesis, and support conclusions of numerical modeling studies indicating landscape transience as a mechanistic driver of net diversification in riverine and riparian organisms with widespread continental distributions.
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33
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Cómbita JL, Giraldo CE, Escobar F. Environmental variation associated with topography explains butterfly diversity along a tropical elevation gradient. Biotropica 2021. [DOI: 10.1111/btp.13040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- José Luís Cómbita
- Red de Ecoetología Instituto de Ecología, A. C. Xalapa Mexico
- Grupo de Investigación Biología Evolutiva y Epistemológica (BIEVEP) Fundación BIEVEP Tunja Colombia
| | - Carlos E. Giraldo
- Grupo de Investigación de Sanidad Vegetal Universidad Católica de Oriente Rionegro Colombia
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34
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Kafash A, Ashrafi S, Yousefi M. Biogeography of bats in Iran: Mapping and disentangling environmental and historical drivers of bat richness. J ZOOL SYST EVOL RES 2021. [DOI: 10.1111/jzs.12520] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Anooshe Kafash
- Department of Environmental Sciences Faculty of Natural Resources University of Tehran Tehran Iran
| | - Sohrab Ashrafi
- Department of Environmental Sciences Faculty of Natural Resources University of Tehran Tehran Iran
| | - Masoud Yousefi
- School of Biology College of Science University of Tehran Tehran Iran
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35
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Loughney KM, Badgley C, Bahadori A, Holt WE, Rasbury ET. Tectonic influence on Cenozoic mammal richness and sedimentation history of the Basin and Range, western North America. SCIENCE ADVANCES 2021; 7:eabh4470. [PMID: 34730991 PMCID: PMC8565843 DOI: 10.1126/sciadv.abh4470] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 09/16/2021] [Indexed: 06/13/2023]
Abstract
Tectonic activity can drive speciation and sedimentation, potentially causing the fossil and rock records to share common patterns through time. The Basin and Range of western North America arose through widespread extension and collapse of topographic highlands in the Miocene, creating numerous basins with rich mammalian fossil records. We analyzed patterns of mammalian species richness from 36 to 0 million years ago in relation to the history of sediment accumulation to test whether intervals of high species richness corresponded with elevated sediment accumulation and fossil burial in response to tectonic deformation. We found that the sedimentary record of the Basin and Range tracks the tectonic evolution of landscapes, whereas species-richness trends reflect actual increased richness in the Miocene rather than increased fossil burial. The sedimentary record of the region broadly determines the preservation of the fossil record but does not drive the Miocene peak in mammalian species richness.
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Affiliation(s)
- Katharine M. Loughney
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA
- Department of Geology, University of Georgia, Athens, GA 30602, USA
| | - Catherine Badgley
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA
| | - Alireza Bahadori
- Department of Geosciences, Stony Brook University, Stony Brook, NY 11794, USA
| | - William E. Holt
- Department of Geosciences, Stony Brook University, Stony Brook, NY 11794, USA
| | - E. Troy Rasbury
- Department of Geosciences, Stony Brook University, Stony Brook, NY 11794, USA
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36
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Murali G, Gumbs R, Meiri S, Roll U. Global determinants and conservation of evolutionary and geographic rarity in land vertebrates. SCIENCE ADVANCES 2021; 7:eabe5582. [PMID: 34644103 PMCID: PMC8514094 DOI: 10.1126/sciadv.abe5582] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 08/20/2021] [Indexed: 05/16/2023]
Abstract
Deciphering global trends in phylogenetic endemism is crucial for understanding broad-scale evolutionary patterns and the conservation of key elements of biodiversity. However, knowledge to date on global phylogenetic endemism and its determinants has been lacking. Here, we conduct the first global analysis of phylogenetic endemism patterns of land vertebrates (>30,000 species), their environmental correlates, and threats. We found that low temperature seasonality and high topographic heterogeneity were the main global determinants of phylogenetic endemism. While phylogenetic endemism hotspots cover 22% of Earth, these regions currently have a high human footprint, low natural land cover, minimal protection, and will be greatly affected by climate change. Evolutionarily unique, narrow-range species are crucial for sustaining biodiversity in the face of environmental change. Our global study advances the current understanding of this imperilled yet previously overlooked facet of biodiversity.
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Affiliation(s)
- Gopal Murali
- Jacob Blaustein Center for Scientific Cooperation, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben-Gurion 849900, Israel
- Mitrani Department of Desert Ecology, The Swiss Institute for Dryland Environments and Energy Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben-Gurion 849900, Israel
| | - Rikki Gumbs
- Department of Life Sciences, Imperial College London, Silwood Park Campus, Ascot, Berkshire SL5 7PY, UK
- EDGE of Existence Programme, Conservation and Policy, Zoological Society of London, London, NW1 4RY, UK
| | - Shai Meiri
- School of Zoology, Steinhardt Museum of Natural History, Tel Aviv University, Tel Aviv, Israel
| | - Uri Roll
- Mitrani Department of Desert Ecology, The Swiss Institute for Dryland Environments and Energy Research, The Jacob Blaustein Institutes for Desert Research, Ben-Gurion University of the Negev, Midreshet Ben-Gurion 849900, Israel
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Dolby GA. Towards a unified framework to study causality in Earth-life systems. Mol Ecol 2021; 30:5628-5642. [PMID: 34427004 PMCID: PMC9292314 DOI: 10.1111/mec.16142] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 07/17/2021] [Accepted: 08/20/2021] [Indexed: 01/04/2023]
Abstract
There is considerable interest in better understanding how earth processes shape the generation and distribution of life on Earth. This question, at its heart, is one of causation. In this article I propose that at a regional level, earth processes can be thought of as behaving somewhat deterministically and may have an organized effect on the diversification and distribution of species. However, the study of how landscape features shape biology is challenged by pseudocongruent or collinear variables. I demonstrate that causal structures can be used to depict the cause–effect relationships between earth processes and biological patterns using recent examples from the literature about speciation and species richness in montane settings. This application shows that causal diagrams can be used to better decipher the details of causal relationships by motivating new hypotheses. Additionally, the abstraction of this knowledge into structural equation metamodels can be used to formulate theory about relationships within Earth–life systems more broadly. Causal structures are a natural point of collaboration between biologists and Earth scientists, and their use can mitigate against the risk of misassigning causality within studies. My goal is that by applying causal theory through application of causal structures, we can build a systems‐level understanding of what landscape features or earth processes most shape the distribution and diversification of species, what types of organisms are most affected, and why.
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Affiliation(s)
- Greer A Dolby
- School of Life Sciences, Arizona State University, Tempe, Arizona, USA.,Center for Mechanisms of Evolution, Arizona State University, Tempe, Arizona, USA
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38
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García-Rodríguez A, Martínez PA, Oliveira BF, Velasco JA, Pyron RA, Costa GC. Amphibian Speciation Rates Support a General Role of Mountains as Biodiversity Pumps. Am Nat 2021; 198:E68-E79. [PMID: 34403310 DOI: 10.1086/715500] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
AbstractContinental mountain areas cover <15% of global land surface, yet these regions concentrate >80% of global terrestrial diversity. One prominent hypothesis to explain this pattern proposes that high mountain diversities could be explained by higher diversification rates in regions of high topographic complexity (HTC). While high speciation in mountains has been detected for particular clades and regions, the global extent to which lineages experience faster speciation in mountains remains unknown. Here we addressed this issue using amphibians as a model system (>7,000 species), and we found that families showing high speciation rates contain a high proportion of species distributed in mountains. Moreover, we found that lineages inhabiting areas of HTC speciate faster than lineages occupying areas that are topographically less complex. When comparing across regions, we identified the same pattern in five biogeographical realms where higher speciation rates are associated with higher levels of complex topography. Low-magnitude differences in speciation rates between some low and high complex topographies suggest that high mountain diversity is also affected by low extinction and/or high colonization rates. Nevertheless, our results bolster the importance of mountains as engines of speciation at different geographical scales and highlight their importance for the conservation of global biodiversity.
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39
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Lu J, Lu H, Brusseau ML, He L, Gorlier A, Yao T, Tian P, Feng S, Yu Q, Nie Q, Yang Y, Yin C, Tang M, Feng W, Xue Y, Yin F. Interaction of climate change, potentially toxic elements (PTEs), and topography on plant diversity and ecosystem functions in a high-altitude mountainous region of the Tibetan Plateau. CHEMOSPHERE 2021; 275:130099. [PMID: 33667772 DOI: 10.1016/j.chemosphere.2021.130099] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 02/03/2021] [Accepted: 02/15/2021] [Indexed: 06/12/2023]
Abstract
Potentially toxic elements (PTEs) generated from mining activities have affected ecological diversity and ecosystem functions around the world. Accurately assessing the long-term effects of PTEs is critical to classifying recoverable areas and proposing management strategies. Mining activities that shape geographical patterns of biodiversity in individual regions are increasingly understood, but the complex interactions on broad scales and in changing environments are still unclear. In this study, we developed a series of empirical models that simulate the changes in biodiversity and ecosystem functions in mine-affected regions along elevation gradients (1500-3600 m a.s.l) in the metal-rich Qilian Mountains (∼800 km) on the northeastern Tibetan Plateau (China). Our results confirmed the crucial role of PTEs dispersal, topography, and climatic heterogeneity in the diversification of plant community composition. On average, 54% of the changes in ecosystem functions were explained by the interactions among topography, climate, and PTEs. However, merely 30% of the changes were correlated with a single driver. The changes in species composition (explained variables = 94.8%) in the PTE-polluted habitats located in the warm and humid low-elevation deserts and grasslands were greater than those occurring in the dry alpine deserts and grasslands. The ecosystem functions (soil characteristics, nutrient migration, and plant biomass) experienced greater changes in the humid low-elevation grasslands and alpine deserts. Our results suggest that the processes driven by climate or other factors can result in high-altitude PTE-affected habitat facing greater threats.
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Affiliation(s)
- Jingzhao Lu
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Science and Natural Resources Research, Chinese Academy of Science, Beijing, 100101, China; College of Science and Technology, Hebei Agricultural University, Cangzhou, 061100, China; Department of Environmental Science, University of Arizona, Tucson, AZ, 85721, USA
| | - Hongwei Lu
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Science and Natural Resources Research, Chinese Academy of Science, Beijing, 100101, China.
| | - Mark L Brusseau
- Department of Environmental Science, University of Arizona, Tucson, AZ, 85721, USA; Department of Hydrology and Atmospheric Sciences, University of Arizona, Tucson, AZ, 85721, USA
| | - Li He
- State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin, 300072, China
| | - Alessandra Gorlier
- School of Natural Resources and the Environment, University of Arizona, Tucson, AZ, 85721, USA
| | - Tianci Yao
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Science and Natural Resources Research, Chinese Academy of Science, Beijing, 100101, China
| | - Peipei Tian
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Science and Natural Resources Research, Chinese Academy of Science, Beijing, 100101, China; School of Renewable Energy, North China Electric Power University, Beijing, 102206, China
| | - Sansan Feng
- School of Renewable Energy, North China Electric Power University, Beijing, 102206, China
| | - Qing Yu
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Science and Natural Resources Research, Chinese Academy of Science, Beijing, 100101, China
| | - Qianwen Nie
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Science and Natural Resources Research, Chinese Academy of Science, Beijing, 100101, China
| | - Yiyang Yang
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Science and Natural Resources Research, Chinese Academy of Science, Beijing, 100101, China
| | - Chuang Yin
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Science and Natural Resources Research, Chinese Academy of Science, Beijing, 100101, China
| | - Meng Tang
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Science and Natural Resources Research, Chinese Academy of Science, Beijing, 100101, China
| | - Wei Feng
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Science and Natural Resources Research, Chinese Academy of Science, Beijing, 100101, China
| | - Yuxuan Xue
- Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Science and Natural Resources Research, Chinese Academy of Science, Beijing, 100101, China
| | - Fangping Yin
- State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin, 300072, China
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40
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Ferreguetti ÁC, Bezerra de Menezes M, Pereira‐Ribeiro J, Rocha CFD, Bergallo HG. Influence of altitude and climate on species richness and endemism: A study case with non‐volant small mammals in the Atlantic Forest, Brazil. AUSTRAL ECOL 2021. [DOI: 10.1111/aec.13010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Átilla Colombo Ferreguetti
- Department of Biology Centro Universitário Espírito‐Santense/FAESA Rua Anselmo Serrat 199, Ilha de Monte Belo Vitória ES29053‐250Brazil
- Department of Ecology Rio de Janeiro State University Rio de Janeiro RJ Brazil
| | - Márjore Bezerra de Menezes
- Department of Ecosystem Science and Management Intercollege Graduate Degree Program in Ecology Pennsylvania State University University Park Pennsylvania USA
| | - Juliane Pereira‐Ribeiro
- Department of Biology Centro Universitário Espírito‐Santense/FAESA Rua Anselmo Serrat 199, Ilha de Monte Belo Vitória ES29053‐250Brazil
| | - Carlos Frederico Duarte Rocha
- Department of Biology Centro Universitário Espírito‐Santense/FAESA Rua Anselmo Serrat 199, Ilha de Monte Belo Vitória ES29053‐250Brazil
| | - Helena Godoy Bergallo
- Department of Biology Centro Universitário Espírito‐Santense/FAESA Rua Anselmo Serrat 199, Ilha de Monte Belo Vitória ES29053‐250Brazil
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41
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Lawrence PJ, Evans AJ, Jackson-Bué T, Brooks PR, Crowe TP, Dozier AE, Jenkins SR, Moore PJ, Williams GJ, Davies AJ. Artificial shorelines lack natural structural complexity across scales. Proc Biol Sci 2021; 288:20210329. [PMID: 34004129 PMCID: PMC8131119 DOI: 10.1098/rspb.2021.0329] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
From microbes to humans, habitat structural complexity plays a direct role in the provision of physical living space, and increased complexity supports higher biodiversity and ecosystem functioning across biomes. Coastal development and the construction of artificial shorelines are altering natural landscapes as humans seek socio-economic benefits and protection from coastal storms, flooding and erosion. In this study, we evaluate how much structural complexity is missing on artificial coastal structures compared to natural rocky shorelines, across a range of spatial scales from 1 mm to 10 s of m, using three remote sensing platforms (handheld camera, terrestrial laser scanner and uncrewed aerial vehicles). Natural shorelines were typically more structurally complex than artificial ones and offered greater variation between locations. However, our results varied depending on the type of artificial structure and the scale at which complexity was measured. Seawalls were deficient at all scales (approx. 20–40% less complex than natural shores), whereas rock armour was deficient at the smallest and largest scales (approx. 20–50%). Our findings reinforce concerns that hardening shorelines with artificial structures simplifies coastlines at organism-relevant scales. Furthermore, we offer much-needed insight into how structures might be modified to more closely capture the complexity of natural rocky shores that support biodiversity.
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Affiliation(s)
- Peter J Lawrence
- School of Ocean Sciences, Bangor University, Menai Bridge LL59 5AB, UK
| | - Ally J Evans
- Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Aberystwyth SY23 3DA, UK
| | - Tim Jackson-Bué
- School of Ocean Sciences, Bangor University, Menai Bridge LL59 5AB, UK
| | - Paul R Brooks
- Earth Institute and School of Biology and Environmental Science, University College Dublin, Dublin, Ireland
| | - Tasman P Crowe
- Earth Institute and School of Biology and Environmental Science, University College Dublin, Dublin, Ireland
| | - Amy E Dozier
- MaREI, the SFI Research Centre for Energy, Climate and Marine, Environmental Research Institute, University College Cork, Ringaskiddy, Ireland
| | - Stuart R Jenkins
- School of Ocean Sciences, Bangor University, Menai Bridge LL59 5AB, UK
| | - Pippa J Moore
- Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Aberystwyth SY23 3DA, UK
| | - Gareth J Williams
- School of Ocean Sciences, Bangor University, Menai Bridge LL59 5AB, UK
| | - Andrew J Davies
- School of Ocean Sciences, Bangor University, Menai Bridge LL59 5AB, UK
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42
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Homeier J, Seeler T, Pierick K, Leuschner C. Leaf trait variation in species-rich tropical Andean forests. Sci Rep 2021; 11:9993. [PMID: 33976239 PMCID: PMC8113502 DOI: 10.1038/s41598-021-89190-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Accepted: 04/21/2021] [Indexed: 02/03/2023] Open
Abstract
Screening species-rich communities for the variation in functional traits along environmental gradients may help understanding the abiotic drivers of plant performance in a mechanistic way. We investigated tree leaf trait variation along an elevation gradient (1000-3000 m) in highly diverse neotropical montane forests to test the hypothesis that elevational trait change reflects a trend toward more conservative resource use strategies at higher elevations, with interspecific trait variation decreasing and trait integration increasing due to environmental filtering. Analysis of trait variance partitioning across the 52 tree species revealed for most traits a dominant influence of phylogeny, except for SLA, leaf thickness and foliar Ca, where elevation was most influential. The community-level means of SLA, foliar N and Ca, and foliar N/P ratio decreased with elevation, while leaf thickness and toughness increased. The contribution of intraspecific variation was substantial at the community level in most traits, yet smaller than the interspecific component. Both within-species and between-species trait variation did not change systematically with elevation. High phylogenetic diversity, together with small-scale edaphic heterogeneity, cause large interspecific leaf trait variation in these hyper-diverse Andean forests. Trait network analysis revealed increasing leaf trait integration with elevation, suggesting stronger environmental filtering at colder and nutrient-poorer sites.
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Affiliation(s)
- Jürgen Homeier
- Plant Ecology and Ecosystems Research, University of Goettingen, Untere Karspüle 2, 37073, Goettingen, Germany.
- Centre for Biodiversity and Sustainable Land Use, University of Goettingen, Büsgenweg 1, 37077, Goettingen, Germany.
| | - Tabea Seeler
- Plant Ecology and Ecosystems Research, University of Goettingen, Untere Karspüle 2, 37073, Goettingen, Germany
| | - Kerstin Pierick
- Plant Ecology and Ecosystems Research, University of Goettingen, Untere Karspüle 2, 37073, Goettingen, Germany
| | - Christoph Leuschner
- Plant Ecology and Ecosystems Research, University of Goettingen, Untere Karspüle 2, 37073, Goettingen, Germany
- Centre for Biodiversity and Sustainable Land Use, University of Goettingen, Büsgenweg 1, 37077, Goettingen, Germany
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43
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Tejero-Cicuéndez H, Patton AH, Caetano DS, Šmíd J, Harmon LJ, Carranza S. Reconstructing Squamate Biogeography in Afro-Arabia Reveals the Influence of a Complex and Dynamic Geologic Past. Syst Biol 2021; 71:261-272. [PMID: 33787928 PMCID: PMC8830062 DOI: 10.1093/sysbio/syab025] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 03/23/2021] [Accepted: 03/29/2021] [Indexed: 11/13/2022] Open
Abstract
The geographic distribution of biodiversity is central to understanding evolutionary biology. Paleogeographic and paleoclimatic histories often help to explain how biogeographic patterns unfold through time. However, such patterns are also influenced by a variety of other factors, such as lineage diversification, that may affect the probability of certain types of biogeographic events. The complex and well-known geologic and climatic history of Afro-Arabia, together with the extensive research on reptile systematics in the region, makes Afro-Arabian squamate communities an ideal system to investigate biogeographic patterns and their drivers. Here we reconstruct the phylogenetic relationships and the ancestral geographic distributions of several Afro-Arabian reptile clades (totaling 430 species) to estimate the number of dispersal, vicariance and range contraction events. We then compare the observed biogeographic history to a distribution of simulated biogeographic events based on the empirical phylogeny and the best-fit model. This allows us to identify periods in the past where the observed biogeographic history was likely shaped by forces beyond the ones included in the model. We find an increase in vicariance following the Oligocene, most likely caused by the fragmentation of the Afro-Arabian plate. In contrast, we did not find differences between observed and expected dispersal and range contraction levels. This is consistent with diversification enhanced by environmental processes and with the establishment of a dispersal corridor connecting Africa, Arabia and Eurasia since the middle Miocene. Finally, here we show that our novel approach is useful to pinpoint events in the evolutionary history of lineages that might reflect external forces not predicted by the underlying biogeographic model.
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Affiliation(s)
- Héctor Tejero-Cicuéndez
- Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra), Passeig Marítim de la Barceloneta 37-49, Barcelona, Spain
| | - Austin H Patton
- Department of Integrative Biology and Museum of Vertebrate Zoology, University of California, Berkeley, CA 94720, USA
| | - Daniel S Caetano
- Department of Ecology, University of São Paulo, São Paulo, Brazil.,Department of Biological Sciences, Towson University, Towson, MD, 21252, USA
| | - Jiří Šmíd
- Department of Zoology, National Museum, Cirkusová 1740, 19300, Prague, Czech Republic.,Department of Zoology, Faculty of Science, Charles University, Viničná 7, 12844, Prague, Czech Republic
| | - Luke J Harmon
- Department of Biological Sciences, University of Idaho, Moscow, ID 83844, USA
| | - Salvador Carranza
- Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra), Passeig Marítim de la Barceloneta 37-49, Barcelona, Spain
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44
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Ruedas LA. Editor’s Choice: Honoring Joel Asaph Allen. J Mammal 2021. [DOI: 10.1093/jmammal/gyab008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Luis A Ruedas
- Department of Biology and Museum of Vertebrate Biology, Portland State University, Portland, USA
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45
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Igea J, Tanentzap AJ. Global topographic uplift has elevated speciation in mammals and birds over the last 3 million years. Nat Ecol Evol 2021; 5:1530-1535. [PMID: 34475571 PMCID: PMC8560637 DOI: 10.1038/s41559-021-01545-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Accepted: 07/26/2021] [Indexed: 02/07/2023]
Abstract
Topographic change shapes the evolution of biodiversity by influencing both habitat connectivity and habitat diversity as well as abiotic factors like climate. However, its role in creating global biodiversity gradients remains poorly characterized because geology, climate and evolutionary data have rarely been integrated across concordant timescales. Here we show that topographic uplift over the last 3 million years explains more spatial variation in the speciation of all mammals and birds than do the direct effects of palaeoclimate change and both present-day elevation and present-day temperature. By contrast, the effects of topographic changes are much smaller than those of present-day temperatures in eroded areas. Together, our results stress that historical geological processes rather than traditionally studied macroecological gradients may ultimately generate much of the world's biodiversity. More broadly, as the Earth's surface continues to rise and fall, topography will remain an important driver of evolutionary change and novelty.
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Affiliation(s)
- Javier Igea
- grid.5335.00000000121885934Ecosystems and Global Change Group, Department of Plant Sciences, University of Cambridge, Cambridge, UK
| | - Andrew J. Tanentzap
- grid.5335.00000000121885934Ecosystems and Global Change Group, Department of Plant Sciences, University of Cambridge, Cambridge, UK
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46
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Lai YJ, Han Y, Schuiteman A, Chase MW, Xu SZ, Li JW, Wu JY, Yang BY, Jin XH. Diversification in Qinghai-Tibet Plateau: Orchidinae (Orchidaceae) clades exhibiting pre-adaptations play critical role. Mol Phylogenet Evol 2020; 157:107062. [PMID: 33387648 DOI: 10.1016/j.ympev.2020.107062] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2019] [Revised: 12/22/2020] [Accepted: 12/24/2020] [Indexed: 11/28/2022]
Abstract
We explore the origins of the extraordinary plant diversity in the Qinghai-Tibetan Plateau (QTP) using Orchidinae (Orchidaceae) as a model. Our results indicate that six major clades in Orchidinae exhibited substantial variation in the temporal and spatial sequence of diversification. Our time-calibrated phylogenetic model suggests that the species-richness of Orchidinae arose through a combination of in situ diversification, colonisation, and local recruitment. There are multiple origins of species-richness of Orchidinae in the QTP, and pre-adaptations in clades from North Temperate and alpine regions were crucial for in situ diversification. The geographic analysis identified 29 dispersals from Asia, Africa and Europe into the QTP and 15 dispersals out. Most endemic species of Orchidinae evolved within the past six million years.
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Affiliation(s)
- Yang-Jun Lai
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 10093, China
| | - Yu Han
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 10093, China
| | - Andre Schuiteman
- Identification and Naming Department, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3AB, UK
| | - Mark W Chase
- Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond, Surrey TW9 3DS, UK; Department of Environment and Agriculture, Curtin University, Bentley, Western Australia 6102, Australia
| | - Song-Zhi Xu
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 10093, China
| | - Jian-Wu Li
- Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun Township, Mengla County, Yunnan 666303, China.
| | - Jian-Yong Wu
- Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment (MEE), China
| | - Bo-Yun Yang
- School of Life Sciences, Nanchang University, Nanchang 330031, China.
| | - Xiao-Hua Jin
- State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 10093, China.
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47
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Genome-wide genetic variation coupled with demographic and ecological niche modeling of the dusky-footed woodrat (Neotoma fuscipes) reveal patterns of deep divergence and widespread Holocene expansion across northern California. Heredity (Edinb) 2020; 126:521-536. [PMID: 33323954 DOI: 10.1038/s41437-020-00393-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 10/28/2020] [Accepted: 11/18/2020] [Indexed: 01/25/2023] Open
Abstract
Understanding how species have responded to past climate change may help refine projections of how species and biotic communities will respond to future change. Here, we integrate estimates of genome-wide genetic variation with demographic and niche modeling to investigate the historical biogeography of an important ecological engineer: the dusky-footed woodrat, Neotoma fuscipes. We use RADseq to generate a genome-wide dataset for 71 individuals from across the geographic distribution of the species in California. We estimate population structure using several model-based methods and infer the demographic history of regional populations using a site frequency spectrum-based approach. Additionally, we use ecological niche modeling to infer current and past (Last Glacial Maximum) environmental suitability across the species' distribution. Finally, we estimate the directionality and possible spatial origins of regional population expansions. Our analyses indicate this species is subdivided into three regionally distinct populations, with the deepest divergence occurring ~1.7 million years ago across the modern-day San Francisco-Bay Delta region; a common biogeographic barrier for the flora and fauna of California. Our models of environmental suitability through time coincide with our estimates of population expansion, with relative long-term stability in the southern portion of the range, and more recent expansion into the northern end of the range. Our study illustrates how the integration of genome-wide data with spatial and demographic modeling can reveal the timing and spatial extent of historic events that determine patterns of biotic diversity and may help predict biotic response to future change.
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48
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Menéndez I, Gómez Cano AR, Cantalapiedra JL, Peláez‐Campomanes P, Álvarez‐Sierra MÁ, Hernández Fernández M. A multi‐layered approach to the diversification of squirrels. Mamm Rev 2020. [DOI: 10.1111/mam.12215] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Iris Menéndez
- Departamento de Geodinámica, Estratigrafía y Paleontología, Facultad de Ciencias Geológicas Universidad Complutense de Madrid C/ José Antonio Novais 12 Madrid28040 Spain
- Departamento de Cambio Medioambiental Instituto de Geociencias (UCM, CSIC) C/Severo Ochoa 7 Madrid28040 Spain
| | | | - Juan L. Cantalapiedra
- Departamento de Ciencias de la Vida, GloCEE Global Change Ecology and Evolution Research Group Universidad de Alcalá Plaza de San Diego s/n, Alcalá de Henares Madrid28801 Spain
| | - Pablo Peláez‐Campomanes
- Departameto de Paleobiología Museo Nacional de Ciencias Naturales, MNCN‐CSIC C/ José Gutiérrez Abascal, 2 Madrid28006 Spain
| | - María Ángeles Álvarez‐Sierra
- Departamento de Geodinámica, Estratigrafía y Paleontología, Facultad de Ciencias Geológicas Universidad Complutense de Madrid C/ José Antonio Novais 12 Madrid28040 Spain
- Departamento de Cambio Medioambiental Instituto de Geociencias (UCM, CSIC) C/Severo Ochoa 7 Madrid28040 Spain
| | - Manuel Hernández Fernández
- Departamento de Geodinámica, Estratigrafía y Paleontología, Facultad de Ciencias Geológicas Universidad Complutense de Madrid C/ José Antonio Novais 12 Madrid28040 Spain
- Departamento de Cambio Medioambiental Instituto de Geociencias (UCM, CSIC) C/Severo Ochoa 7 Madrid28040 Spain
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49
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von Takach B, Scheele BC, Moore H, Murphy BP, Banks SC. Patterns of niche contraction identify vital refuge areas for declining mammals. DIVERS DISTRIB 2020. [DOI: 10.1111/ddi.13145] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Affiliation(s)
- Brenton von Takach
- Research Institute for the Environment and Livelihoods Charles Darwin University Darwin NT Australia
| | - Ben C. Scheele
- Fenner School of Environment and Society Australian National University Canberra ACT Australia
- National Environmental Science Program Threatened Species Recovery Hub Australia
| | - Harry Moore
- School of Environmental Science Institute for Land, Water and Society Charles Sturt University Albury NSW Australia
| | - Brett P. Murphy
- Research Institute for the Environment and Livelihoods Charles Darwin University Darwin NT Australia
- National Environmental Science Program Threatened Species Recovery Hub Australia
| | - Sam C. Banks
- Research Institute for the Environment and Livelihoods Charles Darwin University Darwin NT Australia
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50
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Nürk NM, Linder HP, Onstein RE, Larcombe MJ, Hughes CE, Piñeiro Fernández L, Schlüter PM, Valente L, Beierkuhnlein C, Cutts V, Donoghue MJ, Edwards EJ, Field R, Flantua SGA, Higgins SI, Jentsch A, Liede‐Schumann S, Pirie MD. Diversification in evolutionary arenas-Assessment and synthesis. Ecol Evol 2020; 10:6163-6182. [PMID: 32607221 PMCID: PMC7319112 DOI: 10.1002/ece3.6313] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 03/30/2020] [Accepted: 04/06/2020] [Indexed: 12/23/2022] Open
Abstract
Understanding how and why rates of evolutionary diversification vary is a key issue in evolutionary biology, ecology, and biogeography. Evolutionary rates are the net result of interacting processes summarized under concepts such as adaptive radiation and evolutionary stasis. Here, we review the central concepts in the evolutionary diversification literature and synthesize these into a simple, general framework for studying rates of diversification and quantifying their underlying dynamics, which can be applied across clades and regions, and across spatial and temporal scales. Our framework describes the diversification rate (d) as a function of the abiotic environment (a), the biotic environment (b), and clade-specific phenotypes or traits (c); thus, d ~ a,b,c. We refer to the four components (a-d) and their interactions collectively as the "Evolutionary Arena." We outline analytical approaches to this framework and present a case study on conifers, for which we parameterize the general model. We also discuss three conceptual examples: the Lupinus radiation in the Andes in the context of emerging ecological opportunity and fluctuating connectivity due to climatic oscillations; oceanic island radiations in the context of island formation and erosion; and biotically driven radiations of the Mediterranean orchid genus Ophrys. The results of the conifer case study are consistent with the long-standing scenario that low competition and high rates of niche evolution promote diversification. The conceptual examples illustrate how using the synthetic Evolutionary Arena framework helps to identify and structure future directions for research on evolutionary radiations. In this way, the Evolutionary Arena framework promotes a more general understanding of variation in evolutionary rates by making quantitative results comparable between case studies, thereby allowing new syntheses of evolutionary and ecological processes to emerge.
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Affiliation(s)
- Nicolai M. Nürk
- Department of Plant SystematicsBayreuth Center of Ecology and Environmental Research (BayCEER)University of BayreuthBayreuthGermany
| | - H. Peter Linder
- Department of Systematic & Evolutionary BotanyUniversity of ZurichZurichSwitzerland
| | - Renske E. Onstein
- German Centre for Integrative Biodiversity Research (iDiv) Halle‐Jena‐LeipzigLeipzigGermany
| | | | - Colin E. Hughes
- Department of Systematic & Evolutionary BotanyUniversity of ZurichZurichSwitzerland
| | - Laura Piñeiro Fernández
- Department of Systematic & Evolutionary BotanyUniversity of ZurichZurichSwitzerland
- Department of BotanyUniversity of HohenheimStuttgartGermany
| | | | - Luis Valente
- Naturalis Biodiversity CenterUnderstanding Evolution GroupLeidenThe Netherlands
- Groningen Institute for Evolutionary Life SciencesUniversity of GroningenGroningenThe Netherlands
| | - Carl Beierkuhnlein
- Department of BiogeographyBayreuth Center of Ecology and Environmental Research (BayCEER)University of BayreuthBayreuthGermany
| | - Vanessa Cutts
- School of GeographyUniversity of NottinghamNottinghamUK
| | - Michael J. Donoghue
- Department of Ecology and Evolutionary BiologyYale UniversityNew HavenConnecticut
| | - Erika J. Edwards
- Department of Ecology and Evolutionary BiologyYale UniversityNew HavenConnecticut
| | - Richard Field
- School of GeographyUniversity of NottinghamNottinghamUK
| | | | | | - Anke Jentsch
- Department of Disturbance EcologyBayreuth Center of Ecology and Environmental Research (BayCEER)University of BayreuthBayreuthGermany
| | - Sigrid Liede‐Schumann
- Department of Plant SystematicsBayreuth Center of Ecology and Environmental Research (BayCEER)University of BayreuthBayreuthGermany
| | - Michael D. Pirie
- Johannes Gutenberg‐UniversitätMainzGermany
- University MuseumUniversity of BergenBergenNorway
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