Patterns, biases and prospects in the distribution and diversity of Neotropical snakes. Guedes, T. B., Sawaya, R. J., Zizka, A., Laffan, S., Faurby, S., Pyron, R. A., Bérnils, R. S., Jansen, M., Passos, P., Prudente, A. L. C., Cisneros-Heredia, D. F., Braz, H. B., Nogueira, C. d. C., & Antonelli, A. Global Ecology and Biogeography, 27(1):14–21, January, 2018. ![Patterns, biases and prospects in the distribution and diversity of Neotropical snakes [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex We generated a novel database of Neotropical snakes (one of the world's richest herpetofauna) combining the most comprehensive, manually compiled distribution dataset with publicly available data. We assess, for the first time, the diversity patterns for all Neotropical snakes as well as sampling density and sampling biases. Main types of variables contained. We compiled three databases of species occurrences: a dataset downloaded from the Global Biodiversity Information Facility (GBIF), a verified dataset built through taxonomic work and specialized literature, and a combined dataset comprising a cleaned version of the GBIF dataset merged with the verified dataset. Neotropics, Behrmann projection equivalent to 1° × 1°. Specimens housed in museums during the last 150 years. Squamata: Serpentes. Geographical information system (GIS). The combined dataset provides the most comprehensive distribution database for Neotropical snakes to date. It contains 147,515 records for 886 species across 12 families, representing 74% of all species of snakes, spanning 27 countries in the Americas. Species richness and phylogenetic diversity show overall similar patterns. Amazonia is the least sampled Neotropical region, whereas most well-sampled sites are located near large universities and scientific collections. We provide a list and updated maps of geographical distribution of all snake species surveyed. The biodiversity metrics of Neotropical snakes reflect patterns previously documented for other vertebrates, suggesting that similar factors may determine the diversity of both ectothermic and endothermic animals. We suggest conservation strategies for high-diversity areas and sampling efforts be directed towards Amazonia and poorly known species.
@article{guedes_patterns_2018,
title = {Patterns, biases and prospects in the distribution and diversity of {Neotropical} snakes},
volume = {27},
copyright = {All rights reserved},
issn = {1466-8238},
url = {http://onlinelibrary.wiley.com/doi/10.1111/geb.12679/abstract},
doi = {10.1111/geb.12679},
abstract = {We generated a novel database of Neotropical snakes (one of the world's richest herpetofauna) combining the most comprehensive, manually compiled distribution dataset with publicly available data. We assess, for the first time, the diversity patterns for all Neotropical snakes as well as sampling density and sampling biases. Main types of variables contained. We compiled three databases of species occurrences: a dataset downloaded from the Global Biodiversity Information Facility (GBIF), a verified dataset built through taxonomic work and specialized literature, and a combined dataset comprising a cleaned version of the GBIF dataset merged with the verified dataset. Neotropics, Behrmann projection equivalent to 1° × 1°. Specimens housed in museums during the last 150 years. Squamata: Serpentes. Geographical information system (GIS). The combined dataset provides the most comprehensive distribution database for Neotropical snakes to date. It contains 147,515 records for 886 species across 12 families, representing 74\% of all species of snakes, spanning 27 countries in the Americas. Species richness and phylogenetic diversity show overall similar patterns. Amazonia is the least sampled Neotropical region, whereas most well-sampled sites are located near large universities and scientific collections. We provide a list and updated maps of geographical distribution of all snake species surveyed. The biodiversity metrics of Neotropical snakes reflect patterns previously documented for other vertebrates, suggesting that similar factors may determine the diversity of both ectothermic and endothermic animals. We suggest conservation strategies for high-diversity areas and sampling efforts be directed towards Amazonia and poorly known species.},
language = {English},
number = {1},
urldate = {2018-02-09},
journal = {Global Ecology and Biogeography},
author = {Guedes, Thaís B. and Sawaya, Ricardo J. and Zizka, Alexander and Laffan, Shawn and Faurby, Søren and Pyron, R. Alexander and Bérnils, Renato S. and Jansen, Martin and Passos, Paulo and Prudente, Ana L. C. and Cisneros-Heredia, Diego F. and Braz, Henrique B. and Nogueira, Cristiano de C. and Antonelli, Alexandre},
month = jan,
year = {2018},
keywords = {GBIF, Serpentes, conservation, data availability, geographical distribution, phylogenetic diversity, sampling gaps, species richness},
pages = {14--21},
}
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