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Biodiverse river basins: assessing coverage of protected areas for terrestrial vertebrates

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Abstract

Conservation planning requires information at adequate scales for decision-making and priority definition. Considering the importance of the Usumacinta river basin, we assessed the distribution of vertebrate richness (amphibians, birds and mammals), threatened species, and their representativeness in protected areas (PAs). We overlapped distribution polygons derived from the IUCN Red List of Threatened Species over a 72 km2 grid of the watershed and overlapped the PAs. For the three groups we defined areas of high species richness and threatened species (hotspots), and defined three conservation targets (25, 50 and 75% of species richness of each group) and their representativeness in PAs. We found hotspots for birds and mammals, and high heterogeneity within the three groups. In total 81, 98 and 94% of amphibians, birds and mammals are present in at least in one PA, as well as 69, 78 and 53% of threatened amphibians, mammals and birds, respectively. Most of the high richness cells are not protected—only 26% of the 50% species richness cells and 10% of the 75% target cells. We highlight the need for complementing the PA system in the three countries comprising the study area (Mexico, Belize and Guatemala) in order to protect vertebrate diversity and reduce the growing threats to the basin.

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Data availability

The datasets generated and/or analyzed during the current study are available in the Protected Planet: The World Database on Protected Areas (WDPA)/The Global Database on Protected Areas Management Effectiveness (GD-PAME) repository, [www.protectedplanet.net.], Bird species distribution maps of the world from BirdLife International, Handbook of the Birds of the World, [http://datazone.birdlife.org/species/requestdis] and the IUCN Red List of Threatened Species Version 2018 [www.iucnredlist.org].

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Acknowledgements

This study was supported by the Centro del Cambio Global y la Sustentabilidad en el Sureste AC, and was funded by Consejo Nacional de Ciencia y Tecnología (CONACYT) and Gobierno del Estado de Tabasco through the project TAB-2012-C28-194316. We deeply thank R. Loyola (q.e.p.d.) and J. Carabias for allowing the development of the project and their suggestions to improve the manuscript. Special thanks to the editor and reviewers for their comments, which significantly improved the manuscript, and to Brett Butler for a thorough revision of language and grammar, improving final versions of the manuscript.

Funding

This work was supported by Consejo Nacional de Ciencia y Tecnología (CONACyT) and Gobierno del Estado de Tabasco through project TAB-2012-C28-194316.

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Correspondence to José F. González-Maya.

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Communicated by Dirk Sven Schmeller.

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This article belongs to the Topical Collection: Biodiversity protection and reserves.

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González-Maya, J.F., Hurtado-Moreno, A.P. & Escobedo-Galván, A.H. Biodiverse river basins: assessing coverage of protected areas for terrestrial vertebrates. Biodivers Conserv 30, 3151–3166 (2021). https://doi.org/10.1007/s10531-021-02240-5

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  • DOI: https://doi.org/10.1007/s10531-021-02240-5

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