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Cerezer FO, Dambros CS, Coelho MTP, Cassemiro FAS, Barreto E, Albert JS, Wüest RO, Graham CH. Accelerated body size evolution in upland environments is correlated with recent speciation in South American freshwater fishes. Nat Commun 2023; 14:6070. [PMID: 37770447 PMCID: PMC10539357 DOI: 10.1038/s41467-023-41812-7] [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: 02/01/2023] [Accepted: 09/15/2023] [Indexed: 09/30/2023] Open
Abstract
Speciation rates vary greatly among taxa and regions and are shaped by both biotic and abiotic factors. However, the relative importance and interactions of these factors are not well understood. Here we investigate the potential drivers of speciation rates in South American freshwater fishes, the most diverse continental vertebrate fauna, by examining the roles of multiple biotic and abiotic factors. We integrate a dataset on species geographic distribution, phylogenetic, morphological, climatic, and habitat data. We find that Late Neogene-Quaternary speciation events are strongly associated with body-size evolution, particularly in lineages with small body sizes that inhabit higher elevations near the continental periphery. Conversely, the effects of temperature, area, and diversity-dependence, often thought to facilitate speciation, are negligible. By evaluating multiple factors simultaneously, we demonstrate that habitat characteristics associated with elevation, as well as body size evolution, correlate with rapid speciation in South American freshwater fishes. Our study emphasizes the importance of integrative approaches that consider the interplay of biotic and abiotic factors in generating macroecological patterns of species diversity.
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Affiliation(s)
- Felipe O Cerezer
- Swiss Federal Research Institute for Forest, Snow, and Landscape (WSL), Birmensdorf, Switzerland.
- Programa de Pós-Graduação em Biodiversidade Animal, Departamento de Ecologia e Evolução, Universidade Federal de Santa Maria, Santa Maria, Brazil.
| | - Cristian S Dambros
- Programa de Pós-Graduação em Biodiversidade Animal, Departamento de Ecologia e Evolução, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Marco T P Coelho
- Swiss Federal Research Institute for Forest, Snow, and Landscape (WSL), Birmensdorf, Switzerland
| | - Fernanda A S Cassemiro
- Programa de Pós-Graduação em Ecologia e Evolução, Universidade Federal de Goiás, Goiânia, Brazil
| | - Elisa Barreto
- Swiss Federal Research Institute for Forest, Snow, and Landscape (WSL), Birmensdorf, Switzerland
| | - James S Albert
- Department of Biology, University of Louisiana at Lafayette, Lafayette, LA, USA
| | - Rafael O Wüest
- Swiss Federal Research Institute for Forest, Snow, and Landscape (WSL), Birmensdorf, Switzerland
| | - Catherine H Graham
- Swiss Federal Research Institute for Forest, Snow, and Landscape (WSL), Birmensdorf, Switzerland
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2
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Fibla P, Sáez PA, Cruz-Jofré F, Méndez MA. Drainage Network Morphology Influences Population Structure and Gene Flow of the Andean Water Frog Telmatobius pefauri (Anura: Telmatobiidae) of the Atacama Desert, Northern Chile. Zool Stud 2023; 62:e44. [PMID: 37941796 PMCID: PMC10628555 DOI: 10.6620/zs.2023.62-44] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 06/26/2023] [Indexed: 11/10/2023]
Abstract
Desert aquatic species tend to show isolated and disconnected populations due to the fragmented nature of their environment; however, the morphology of the hydrographic basins, added to humid climatic conditions, can allow dispersion between populations in a desert environment. The aim of this study was to examine the influence of drainage morphology on the phylogeographic structure and gene flow (using a fragment of the mitochondrial control region and seven microsatellite markers) of an endemic taxon of the Andean Precordillera in the Atacama Desert, the aquatic frog species Telmatobius pefauri. We detected three genetic clusters, one cluster present in the Lluta basin and two clusters in the Azapa basin. The results suggest that the genetic structure of T. pefauri is influenced by the morphology of the drainage network formed by the Lluta and Azapa basins: localities present in the same drainage, Tignamar River, were less differentiated and showed higher gene flow levels among them than to their conspecifics belonging to the other drainage in the same basin, Seco River, and those belonging to the other basin, Lluta basin. Gene flow patterns and genetic structure to populations Atacama Andean aquatic taxa would be influenced by basin morphology, with dispersion being stimulated in dendritic hydrological systems, and eventually by humid climatic (regional) events.
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Affiliation(s)
- Pablo Fibla
- Laboratorio de Genética y Evolución, Facultad de Ciencias, Universidad de Chile. E-mail: (Méndez); (Fibla); (Sáez); (Cruz-Jofré)
| | - Paola A Sáez
- Laboratorio de Genética y Evolución, Facultad de Ciencias, Universidad de Chile. E-mail: (Méndez); (Fibla); (Sáez); (Cruz-Jofré)
- Center of Applied Ecology and Sustainability (CAPES)
| | - Franco Cruz-Jofré
- Laboratorio de Genética y Evolución, Facultad de Ciencias, Universidad de Chile. E-mail: (Méndez); (Fibla); (Sáez); (Cruz-Jofré)
- Facultad de Recursos Naturales y Medicina Veterinaria, Universidad Santo Tomás, Chile
| | - Marco A Méndez
- Laboratorio de Genética y Evolución, Facultad de Ciencias, Universidad de Chile. E-mail: (Méndez); (Fibla); (Sáez); (Cruz-Jofré)
- Center of Applied Ecology and Sustainability (CAPES)
- Instituto de Ecología y Biodiversidad (IEB), Santiago, Chile
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3
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Valladares MA, Fabres AA, Collado GA, Sáez PA, Méndez MA. Coping With Dynamism: Phylogenetics and Phylogeographic Analyses Reveal Cryptic Diversity in Heleobia Snails of Atacama Saltpan, Chile. Front Ecol Evol 2022. [DOI: 10.3389/fevo.2022.869626] [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 species that inhabit systems highly affected by anthropic activities usually exhibit this external influence in their gene pool. In this study, we investigated the genetic patterns of populations of Heleobia atacamensis, a freshwater microgastropod endemic to the Atacama Saltpan, a system historically exposed to environmental changes, and currently subjected to conditions associated with metallic and non-metallic mining and other anthropic activities. Molecular analyses based on nuclear and mitochondrial sequences indicate that the saltpan populations are highly fragmented and that the genetic structure is mainly explained by historical geographic isolation, with little influence of contemporary factors. The microsatellite results suggest a moderate genetic diversity and sharp differentiation mediated by isolation by distance. Additionally, despite the high environmental heterogeneity detected and the marked historical dynamism of the region, our data reveal no signs of demographic instability. The patterns of contemporary gene flow suggest a change in the current genetic structure, based on the geographic proximity and specific environmental conditions for each population. Our results, highlight the role of fragmentation as a modulator of genetic diversity, but also suggest that the historical persistence of isolated populations in naturally dynamic environments could explain the apparent demographic stability detected.
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Cárcamo-Tejer V, Vila I, Llanquín-Rosas F, Sáez-Arteaga A, Guerrero-Jiménez C. Phylogeography of high Andean killifishes Orestias (Teleostei: Cyprinodontidae) in Caquena and Lauca sub-basins of the Altiplano (Chile): mitochondrial and nuclear analysis of an endangered fish. PeerJ 2021; 9:e11917. [PMID: 34484986 DOI: 10.7717/peerj.11917] [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: 10/30/2020] [Accepted: 07/15/2021] [Indexed: 11/20/2022] Open
Abstract
From the early Miocene, the uplift of the Andes Mountains, intense volcanic activity and the occurrence of successive periods of dryness and humidity would have differentially influenced the modification of Altiplano watersheds, and consequently the evolutionary history of the taxa that live there. We analyzed Orestias populations from the Caquena and Lauca Altiplanic sub-basins of northern Chile to determine their genetic differentiation and relationship to their geographical distribution using mitochondrial (D-loop) and nuclear (microsatellite) molecular markers and to reconstruct its biogeographic history on these sub-basins. The results allowed reconstructing and reevaluating the evolutionary history of the genus in the area; genic diversity and differentiation together with different founding genetic groups suggest that Orestias have been spread homogeneously in the study area and would have experienced local disturbances that promoted isolation and diversification in restricted zones of their distribution.
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Affiliation(s)
- Violeta Cárcamo-Tejer
- Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Santiago, Región Metropolitana, Chile
| | - Irma Vila
- Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Santiago, Región Metropolitana, Chile
| | - Francisco Llanquín-Rosas
- Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Santiago, Región Metropolitana, Chile
| | - Alberto Sáez-Arteaga
- Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Temuco, Región de la Araucanía, Chile
| | - Claudia Guerrero-Jiménez
- Instituto de Ciencias Biomédicas, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Temuco, Región de la Araucanía, Chile
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Tagliacollo VA, Dagosta FCP, Pinna MD, Reis RE, Albert JS. Assessing extinction risk from geographic distribution data in Neotropical freshwater fishes. NEOTROPICAL ICHTHYOLOGY 2021. [DOI: 10.1590/1982-0224-2021-0079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract The IUCN Red List (RL) provides high-quality conservation assessments for individual species, yet the rate and scale of environmental deterioration globally challenges the conservation community to develop expedited methods for risk assessment. Here we compare threat assessments for 3,001 species of Neotropical freshwater fishes (NFF) in the IUCN–RL using readily accessible data types as proxies for extinction risk: geographic range, elevation, and species publication date. Furthermore, using geographic and taxonomic data alone, we generated preliminary conservation assessments for 2,334 NFF species currently awaiting IUCN assessment, identifying an additional 671 NFF species as potentially threatened. This number of potentially threatened species represents an increase of 59% over the number of species currently assigned to threat categories by the IUCN–RL. These results substantially expand the number of threatened NFF species from 422 currently on the IUCN RL to 1,093 species as threatened or potentially threatened, representing about 18% of all NFF species. Extinction risk is greater in species with smaller geographic ranges, which inhabit upland rivers, and which were described more recently. We propose the Central and Southern Andes, and Eastern Guiana Shield as priorities in the upcoming IUCN RL assessment of NFF species conservation risk.
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Affiliation(s)
| | | | - Mário de Pinna
- 1 Museu de Zoologia da Universidade de São Paulo, Brazil
| | - Roberto E. Reis
- Pontifícia Universidade Católica do Rio Grande do Sul, Brazil
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Floren A, von Rintelen T, Hebert PDN, de Araujo BC, Schmidt S, Balke M, Narakusumo RP, Peggie D, Ubaidillah R, von Rintelen K, Müller T. Integrative ecological and molecular analysis indicate high diversity and strict elevational separation of canopy beetles in tropical mountain forests. Sci Rep 2020; 10:16677. [PMID: 33028881 PMCID: PMC7541450 DOI: 10.1038/s41598-020-73519-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 09/16/2020] [Indexed: 11/18/2022] Open
Abstract
Tropical mountain forests contribute disproportionately to terrestrial biodiversity but little is known about insect diversity in the canopy and how it is distributed between tree species. We sampled tree-specific arthropod communities from 28 trees by canopy fogging and analysed beetle communities which were first morphotyped and then identified by their DNA barcodes. Our results show that communities from forests at 1100 and 1700 m a.s.l. are almost completely distinct. Diversity was much lower in the upper forest while community structure changed from many rare, less abundant species to communities with a pronounced dominance structure. We also found significantly higher beta-diversity between trees at the lower than higher elevation forest where community similarity was high. Comparisons on tree species found at both elevations reinforced these results. There was little species overlap between sites indicating limited elevational ranges. Furthermore, we exploited the advantage of DNA barcodes to patterns of haplotype diversity in some of the commoner species. Our results support the advantage of fogging and DNA barcodes for community studies and underline the need for comprehensive research aimed at the preservation of these last remaining pristine forests.
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Affiliation(s)
- Andreas Floren
- Department of Animal Ecology and Tropical Biology, Biocenter, University of Würzburg, Hans-Martin-Weg 5, 97074, Würzburg, Germany. .,Bavarian State Collection of Zoology, Münchhausenstr. 21, 81247, Munich, Germany. .,Department of Bioinformatics, Biocenter, University of Würzburg, Am Hubland, 97074, Würzburg, Germany.
| | - Thomas von Rintelen
- Museum für Naturkunde-Leibniz Institute for Evolution and Biodiversity Science, Invalidenstraße 43, 10115, Berlin, Germany
| | - Paul D N Hebert
- Centre for Biodiversity Genomics, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | | | - Stefan Schmidt
- Bavarian State Collection of Zoology, Münchhausenstr. 21, 81247, Munich, Germany
| | - Michael Balke
- Bavarian State Collection of Zoology, Münchhausenstr. 21, 81247, Munich, Germany
| | - Raden Pramesa Narakusumo
- Zoology Division (Museum Zoologicum Bogoriense), Research Center for Biology, Indonesian Institute of Sciences, Jl. Raya Jakarta-Bogor KM 46, Cibinong, Bogor, 16911, Indonesia.,Museum of Natural History Karlsruhe, Erbprinzenstr. 13, 76133, Karlsruhe, Germany
| | - Djunijanti Peggie
- Zoology Division (Museum Zoologicum Bogoriense), Research Center for Biology, Indonesian Institute of Sciences, Jl. Raya Jakarta-Bogor KM 46, Cibinong, Bogor, 16911, Indonesia
| | - Rosichon Ubaidillah
- Zoology Division (Museum Zoologicum Bogoriense), Research Center for Biology, Indonesian Institute of Sciences, Jl. Raya Jakarta-Bogor KM 46, Cibinong, Bogor, 16911, Indonesia
| | - Kristina von Rintelen
- Museum für Naturkunde-Leibniz Institute for Evolution and Biodiversity Science, Invalidenstraße 43, 10115, Berlin, Germany
| | - Tobias Müller
- Department of Bioinformatics, Biocenter, University of Würzburg, Am Hubland, 97074, Würzburg, Germany
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Valladares MA, Méndez MA, Collado GA. Influenced but not determined by historical events: genetic, demographic and morphological differentiation in Heleobia ascotanensis from the Chilean Altiplano. PeerJ 2018; 6:e5802. [PMID: 30588392 PMCID: PMC6301281 DOI: 10.7717/peerj.5802] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Accepted: 09/21/2018] [Indexed: 11/30/2022] Open
Abstract
In the present study, we focus on the phylogeographic pattern, demographic history and morphological differentiation of Heleobia ascotanensis, a freshwater gastropod restricted to the Ascotán saltpan in the Chilean Altiplano. The current distribution of the species is limited to twelve isolated or partially isolated springs that were affected by transitions between humid and arid periods during last glaciations. The genetic analysis of 322 specimens showed that H. ascotanensis is subdivided into three genetically divergent populations, with low and moderate degrees of historical gene flow among them and incipient morphological differentiation as a consequence of genetic and geographical isolation. Molecular analyses revealed different demographic histories among populations which seem to respond independently to climatic events, probably due to an environmental imposition and idiosyncratic strategies developed to cope with water availability. The results of this study and co-distributed taxa support the hypothesis that contemporary and historical events have influenced microevolutionary differentiation of these snails, although there is a need to complement further information to predict genetic or morphological divergence at microgeographic scale.
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Affiliation(s)
- Moisés A Valladares
- Laboratorio de Genética y Evolución, Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Santiago, Región Metropolitana, Chile
| | - Marco A Méndez
- Laboratorio de Genética y Evolución, Departamento de Ciencias Ecológicas, Facultad de Ciencias, Universidad de Chile, Santiago, Región Metropolitana, Chile
| | - Gonzalo A Collado
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad del Bío-Bío, Chillán, Región del Bío-Bío, Chile
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Guerrero-Jiménez CJ, Peña F, Morales P, Méndez MA, Sallaberry M, Vila I, Poulin E. Correction: Pattern of genetic differentiation of an incipient speciation process: The case of the high Andean killifish Orestias. PLoS One 2017; 12:e0177498. [PMID: 28481955 PMCID: PMC5421783 DOI: 10.1371/journal.pone.0177498] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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