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Gulzar R, Hamid M, Hassan T, Rashid I, Khuroo AA. Different sets of traits determine transition of alien species along the invasion continuum. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169137. [PMID: 38070553 DOI: 10.1016/j.scitotenv.2023.169137] [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: 06/08/2023] [Revised: 12/01/2023] [Accepted: 12/04/2023] [Indexed: 12/17/2023]
Abstract
Invasive alien species are currently considered as one of the dominant drivers of global environmental change. Till now, the majority of studies have focused on single or a few traits of alien species that facilitate their invasion. Also inclusion of all the traits which determine the transition of aliens along the different stages of invasion continuum (casual, naturalised and invasive) has remained largely overlooked. In this study, we collected a comprehensive trait dataset on 144 alien plant species of Kashmir Himalaya - a global biodiversity hotspot region. To test which traits of alien species, individually or in combination along with anthropogenic factors, determine their transition along the invasion continuum, we employed chi-square tests, boosted regression trees and phylogenetic methods. We found the perennial life span, longer residence time, greater number of introduced regions, and better seed dispersal mechanism were critical in determining the transition from casual to naturalised. The herbaceous growth form, therophyte Raunkiaer life-form, annual life span, achene fruit, longer residence time and broader introduced range were the species' traits determining transition from naturalised to invasive. Aliens introduced as ornamentals have more propensity to become naturalised; whereas aliens introduced unintentionally show overrepresentation at the invasive stage. Phylogeny alone showed mixed results indicating both clustering and dispersion; however, in combination with other traits, it plays a significant role in determining the stage of invasion. Overall, our study disentangles the individual and interactive roles of multiple traits that determine the transition of alien species' along the invasion continuum. Further, we foresee the potential applicability of our findings in designing robust invasion risk analysis protocols and stage-specific invasion management strategies in this Himalayan region, with learnings for elsewhere in the world.
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Affiliation(s)
- Ruquia Gulzar
- Centre for Biodiversity and Taxonomy, Department of Botany, University of Kashmir, Srinagar 190 006, Jammu and Kashmir, India
| | - Maroof Hamid
- Centre for Biodiversity and Taxonomy, Department of Botany, University of Kashmir, Srinagar 190 006, Jammu and Kashmir, India
| | - Tabasum Hassan
- Centre for Biodiversity and Taxonomy, Department of Botany, University of Kashmir, Srinagar 190 006, Jammu and Kashmir, India
| | - Irfan Rashid
- Department of Geoinformatics, University of Kashmir, Srinagar 190 006, Jammu and Kashmir, India
| | - Anzar Ahmad Khuroo
- Centre for Biodiversity and Taxonomy, Department of Botany, University of Kashmir, Srinagar 190 006, Jammu and Kashmir, India.
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2
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Fristoe TS, Bleilevens J, Kinlock NL, Yang Q, Zhang Z, Dawson W, Essl F, Kreft H, Pergl J, Pyšek P, Weigelt P, Dufour-Dror JM, Sennikov AN, Wasowicz P, Westergaard KB, van Kleunen M. Evolutionary imbalance, climate and human history jointly shape the global biogeography of alien plants. Nat Ecol Evol 2023; 7:1633-1644. [PMID: 37652998 DOI: 10.1038/s41559-023-02172-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 07/18/2023] [Indexed: 09/02/2023]
Abstract
Human activities are causing global biotic redistribution, translocating species and providing them with opportunities to establish populations beyond their native ranges. Species originating from certain global regions, however, are disproportionately represented among naturalized aliens. The evolutionary imbalance hypothesis posits that differences in absolute fitness among biogeographic divisions determine outcomes when biotas mix. Here, we compile data from native and alien distributions for nearly the entire global seed plant flora and find that biogeographic conditions predicted to drive evolutionary imbalance act alongside climate and anthropogenic factors to shape flows of successful aliens among regional biotas. Successful aliens tend to originate from large, biodiverse regions that support abundant populations and where species evolve against a diverse backdrop of competitors and enemies. We also reveal that these same native distribution characteristics are shared among the plants that humans select for cultivation and economic use. In addition to influencing species' innate potentials as invaders, we therefore suggest that evolutionary imbalance shapes plants' relationships with humans, impacting which species are translocated beyond their native distributions.
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Affiliation(s)
- Trevor S Fristoe
- Ecology, Department of Biology, University of Konstanz, Konstanz, Germany.
| | - Jonas Bleilevens
- Ecology, Department of Biology, University of Konstanz, Konstanz, Germany
- Centre for Organismal Studies (COS) Heidelberg, Biodiversity and Plant Systematics, Heidelberg University, Heidelberg, Germany
| | - Nicole L Kinlock
- Ecology, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Qiang Yang
- Ecology, Department of Biology, University of Konstanz, Konstanz, Germany
- The German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, Germany
| | - Zhijie Zhang
- Ecology, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Wayne Dawson
- Department of Biosciences, Durham University, Durham, UK
| | - Franz Essl
- BioInvasions, Global Change, Macroecology Group, Department of Botany and Biodiversity Research, University of Vienna, Vienna, Austria
| | - Holger Kreft
- Biodiversity, Macroecology & Biogeography, University of Goettingen, Göttingen, Germany
- Centre of Biodiversity and Sustainable Land Use (CBL), University of Goettingen, Göttingen, Germany
| | - Jan Pergl
- Department of Invasion Ecology, Institute of Botany, Czech Academy of Sciences, Průhonice, Czech Republic
| | - Petr Pyšek
- Department of Invasion Ecology, Institute of Botany, Czech Academy of Sciences, Průhonice, Czech Republic
- Department of Ecology, Faculty of Science, Charles University, Prague, Czech Republic
| | - Patrick Weigelt
- Biodiversity, Macroecology & Biogeography, University of Goettingen, Göttingen, Germany
- Centre of Biodiversity and Sustainable Land Use (CBL), University of Goettingen, Göttingen, Germany
| | | | - Alexander N Sennikov
- Botanical Museum, Finnish Museum of Natural History, University of Helsinki, Helsinki, Finland
| | - Pawel Wasowicz
- Icelandic Institute of Natural History, Borgir vid Nordurslod, Akureyri, Iceland
| | - Kristine B Westergaard
- Department of Natural History, NTNU University Museum, Norwegian University of Science and Technology, Trondheim, Norway
| | - Mark van Kleunen
- Ecology, Department of Biology, University of Konstanz, Konstanz, Germany
- Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou, China
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Pyšek P, Lučanová M, Dawson W, Essl F, Kreft H, Leitch IJ, Lenzner B, Meyerson LA, Pergl J, van Kleunen M, Weigelt P, Winter M, Guo WY. Small genome size and variation in ploidy levels support the naturalization of vascular plants but constrain their invasive spread. THE NEW PHYTOLOGIST 2023; 239:2389-2403. [PMID: 37438886 DOI: 10.1111/nph.19135] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 06/17/2023] [Indexed: 07/14/2023]
Abstract
Karyological characteristics are among the traits underpinning the invasion success of vascular plants. Using 11 049 species, we tested the effects of genome size and ploidy levels on plant naturalization (species forming self-sustaining populations where they are not native) and invasion (naturalized species spreading rapidly and having environmental impact). The probability that a species naturalized anywhere in the world decreased with increasing monoploid genome size (DNA content of a single chromosome set). Naturalized or invasive species with intermediate monoploid genomes were reported from many regions, but those with either small or large genomes occurred in fewer regions. By contrast, large holoploid genome sizes (DNA content of the unreplicated gametic nucleus) constrained naturalization but favoured invasion. We suggest that a small genome is an advantage during naturalization, being linked to traits favouring adaptation to local conditions, but for invasive spread, traits associated with a large holoploid genome, where the impact of polyploidy may act, facilitate long-distance dispersal and competition with other species.
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Affiliation(s)
- Petr Pyšek
- Department of Invasion Ecology, Institute of Botany, Czech Academy of Sciences, Průhonice, CZ-252 43, Czech Republic
- Department of Ecology, Faculty of Science, Charles University, Viničná 7, Prague, CZ-128 44, Czech Republic
| | - Magdalena Lučanová
- Department of Evolutionary Biology of Plants, Institute of Botany, Czech Academy of Sciences, Průhonice, CZ-252 43, Czech Republic
- Department of Botany, Faculty of Science, University of South Bohemia, Branišovská 1760, České Budějovice, CZ-370 05, Czech Republic
| | - Wayne Dawson
- Department of Biosciences, Durham University, South Road, Durham, DH1 3LE, UK
| | - Franz Essl
- Division of Bioinvasions, Global Change & Macroecology, Department of Botany and Biodiversity Research, University of Vienna, Wien, 1030, Austria
| | - Holger Kreft
- Biodiversity, Macroecology & Biogeography, University of Göttingen, Büsgenweg 1, Göttingen, 37077, Germany
- Centre of Biodiversity and Sustainable Land Use (CBL), University of Goettingen, Büsgenweg 1, Göttingen, D-37077, Germany
- Campus-Institute Data Science, Goldschmidtstraße 1, Göttingen, 37077, Germany
| | - Ilia J Leitch
- Royal Botanic Gardens, Kew, Richmond, Surrey, TW9 3AE, UK
| | - Bernd Lenzner
- Division of Bioinvasions, Global Change & Macroecology, Department of Botany and Biodiversity Research, University of Vienna, Wien, 1030, Austria
| | - Laura A Meyerson
- University of Rhode Island, Natural Resources Science, 9 East Alumni Avenue, Kingston, 02881, RI, USA
| | - Jan Pergl
- Department of Invasion Ecology, Institute of Botany, Czech Academy of Sciences, Průhonice, CZ-252 43, Czech Republic
| | - Mark van Kleunen
- Ecology, Department of Biology, University of Konstanz, Universitätsstrasse 10, Constance, D-78464, Germany
- Zhejiang Provincial Key Laboratory of Plant Evolutionary Ecology and Conservation, Taizhou University, Taizhou, 318000, China
| | - Patrick Weigelt
- Biodiversity, Macroecology & Biogeography, University of Göttingen, Büsgenweg 1, Göttingen, 37077, Germany
- Centre of Biodiversity and Sustainable Land Use (CBL), University of Goettingen, Büsgenweg 1, Göttingen, D-37077, Germany
- Campus-Institute Data Science, Goldschmidtstraße 1, Göttingen, 37077, Germany
| | - Marten Winter
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Puschstraße 4, Leipzig, 04103, Germany
| | - Wen-Yong Guo
- Research Centre for Global Change and Complex Ecosystems, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
- Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, School of Ecological and Environmental Sciences, East China Normal University, Shanghai, 200241, China
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Flora introduced and naturalized in Central America. Biol Invasions 2022. [DOI: 10.1007/s10530-022-02968-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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5
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Bioclimatic Suitability of Actual and Potential Cultivation Areas for Jacaranda mimosifolia in Chinese Cities. FORESTS 2021. [DOI: 10.3390/f12070951] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Jacaranda mimosifolia is regarded as a prized ornamental tree in the urban landscape with attractive, abundant and long-lasting violet-colored flowers and graceful tree form. It has been widely cultivated in recent years in many Chinese cities. However, the lack of scientific and practical guidance to cultivate the exotic species has brought about planting failures in some areas, incurring substantial economic losses and landscape decline. A comprehensive understanding of the current spatial pattern and climatic conditions of J. mimosifolia in China can inform species choice, planting and management. We collected data on the geographical coordinates of 257 planting cities and acquired additional information from the literature and field surveys. The limiting factors for cultivation were investigated using principal component analysis (PCA) of 19 bioclimatic parameters of the sampled sites. The potentially suitable habitats were predicted by BIOCLIM modeling using eight selected ecological-important climatic parameters. We found that the present cultivated areas were focused in the low-altitude parts of the subtropical zone, mainly covering the provinces of Yunnan, Sichuan, Guangxi, Guangdong and Fujian. The PCA results indicated that temperature was the clinching determinant of the current cultivation patterns, especially annual mean temperature, the minimum temperature of the coldest month and the mean temperature of the warmest quarter. Moisture was a necessary but not critical secondary factor. The predicting model for potential habitats was graded as “excellent” by objective validation measures. The findings can provide science-based evidence to plan the expansion of the biogeographical range of cultivation into hitherto unplanted cities and rationalize urban tree introduction and management practices.
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Folk RA, Siniscalchi CM. Biodiversity at the global scale: the synthesis continues. AMERICAN JOURNAL OF BOTANY 2021; 108:912-924. [PMID: 34181762 DOI: 10.1002/ajb2.1694] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 04/14/2021] [Indexed: 06/13/2023]
Abstract
Traditionally, the generation and use of biodiversity data and their associated specimen objects have been primarily the purview of individuals and small research groups. While deposition of data and specimens in herbaria and other repositories has long been the norm, throughout most of their history, these resources have been accessible only to a small community of specialists. Through recent concerted efforts, primarily at the level of national and international governmental agencies over the last two decades, the pace of biodiversity data accumulation has accelerated, and a wider array of biodiversity scientists has gained access to this massive accumulation of resources, applying them to an ever-widening compass of research pursuits. We review how these new resources and increasing access to them are affecting the landscape of biodiversity research in plants today, focusing on new applications across evolution, ecology, and other fields that have been enabled specifically by the availability of these data and the global scope that was previously beyond the reach of individual investigators. We give an overview of recent advances organized along three lines: broad-scale analyses of distributional data and spatial information, phylogenetic research circumscribing large clades with comprehensive taxon sampling, and data sets derived from improved accessibility of biodiversity literature. We also review synergies between large data resources and more traditional data collection paradigms, describe shortfalls and how to overcome them, and reflect on the future of plant biodiversity analyses in light of increasing linkages between data types and scientists in our field.
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Affiliation(s)
- Ryan A Folk
- Department of Biological Sciences, Mississippi State University, Mississippi State, Mississippi, USA
| | - Carolina M Siniscalchi
- Department of Biological Sciences, Mississippi State University, Mississippi State, Mississippi, USA
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Ecological and biogeographic drivers of biodiversity cannot be resolved using clade age-richness data. Nat Commun 2021; 12:2945. [PMID: 34011982 PMCID: PMC8134473 DOI: 10.1038/s41467-021-23307-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Accepted: 04/22/2021] [Indexed: 02/03/2023] Open
Abstract
Estimates of evolutionary diversification rates - speciation and extinction - have been used extensively to explain global biodiversity patterns. Many studies have analyzed diversification rates derived from just two pieces of information: a clade's age and its extant species richness. This "age-richness rate" (ARR) estimator provides a convenient shortcut for comparative studies, but makes strong assumptions about the dynamics of species richness through time. Here we demonstrate that use of the ARR estimator in comparative studies is problematic on both theoretical and empirical grounds. We prove mathematically that ARR estimates are non-identifiable: there is no information in the data for a single clade that can distinguish a process with positive net diversification from one where net diversification is zero. Using paleontological time series, we demonstrate that the ARR estimator has no predictive ability for real datasets. These pathologies arise because the ARR inference procedure yields "point estimates" that have been computed under a saturated statistical model with zero degrees of freedom. Although ARR estimates remain useful in some contexts, they should be avoided for comparative studies of diversification and species richness.
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8
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Rojas-Sandoval J, Ackerman JD. Ornamentals lead the way: global influences on plant invasions in the Caribbean. NEOBIOTA 2021. [DOI: 10.3897/neobiota.64.62939] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Understanding the historical factors associated with the invasion success of alien species in a region may help us to identify sources, vectors, and pathways that are more likely to originate new invaders. Here, we gather data for traits related to the history of introduction (e.g., continent of origin, reason for introduction, and date of introduction) of 616 alien plant species listed as invasive on 18 island groups across the Caribbean region. We used these data to evaluate how human activity has influenced plant invasions on Caribbean islands over time and whether invasion success could be driven by traits of the introduction process. We found that significantly more invasive plants (54%) were intentionally introduced for ornamental reasons than for any other purpose. Most invaders in the Caribbean are native to Asia, South America, and Africa and the cumulative number of invasive species in this region has been steadily increasing during the last 200 years, but since 1850, this trend has been led by species introduced as ornamentals. We also found a significant association between continent of origin and reason of introduction, with more invaders than expected being ornamentals from Asia and America, and forage species from Africa. Our results show that introduced ornamentals are successfully invading all major habitats across the Caribbean, exacerbating conservation issues and threatening native biodiversity. Armed with knowledge of origins and reasons for introductions, effective biosecurity actions as well as control and management strategies can be better targeted to address the problem of invasive species in the region.
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Schmidt JP, Davies TJ, Farrell MJ. Opposing macroevolutionary and trait-mediated patterns of threat and naturalisation in flowering plants. Ecol Lett 2021; 24:1237-1250. [PMID: 33786974 DOI: 10.1111/ele.13740] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 02/27/2021] [Indexed: 11/29/2022]
Abstract
Due to expanding global trade and movement of people, new plant species are establishing in exotic ranges at increasing rates while the number of native species facing extinction from multiple threats grows. Yet, how species losses and gains globally may, together, be linked to traits and macroevolutionary processes is poorly understood. Here, we show that, adjusting for diversification rate and clade age, the proportion of threatened species across flowering plant families is negatively related to the proportion of naturalised species per family. Moreover, naturalisation is positively associated with range size, short generation time, autonomous seed production and interspecific hybridisation, but negatively with age and diversification, whereas threat is negatively associated with range size and hybridisation, and positively with biotic pollination, age and diversification rate. That we find such a pronounced signature of naturalisation and threat across plant families suggests that both trait syndromes have coexisted over deep evolutionary time and counter to intuition, that neither strategy is necessarily superior to the other over long evolutionary timespans.
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Affiliation(s)
- John Paul Schmidt
- Odum School of Ecology, University of Georgia, Athens, Georgia, 30602, USA
| | - T Jonathan Davies
- Departments of Botany, Forest & Conservation Sciences, Biodiversity Research Centre, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada.,African Centre for DNA Barcoding, University of Johannesburg, Johannesburg, 2092, South Africa
| | - Maxwell J Farrell
- Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, ON, Canada
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