Author:
Lourenço-de-Moraes Ricardo,Campos Felipe S.,Cabral Pedro,Silva-Soares Thiago,Nobrega Yhuri C.,Covre Amanda C.,França Frederico G. R.
Abstract
AbstractCrocodilians are a taxonomic group of large predators with important ecological and evolutionary benefits for ecosystem functioning in the face of global change. Anthropogenic actions affect negatively crocodilians’ survival and more than half of the species are threatened with extinction worldwide. Here, we map and explore three dimensions of crocodilian diversity on a global scale. To highlight the ecological importance of crocodilians, we correlate the spatial distribution of species with the ecosystem services of nutrient retention in the world. We calculate the effectiveness of global protected networks in safeguarding crocodilian species and provide three prioritization models for conservation planning. Our results show the main hotspots of ecological and evolutionary values are in southern North, Central and South America, west-central Africa, northeastern India, and southeastern Asia. African species have the highest correlation to nutrient retention patterns. Twenty-five percent of the world’s crocodilian species are not significantly represented in the existing protected area networks. The most alarming cases are reported in northeastern India, eastern China, and west-central Africa, which include threatened species with low or non-significant representation in the protected area networks. Our highest conservation prioritization model targets southern North America, east-central Central America, northern South America, west-central Africa, northeastern India, eastern China, southern Laos, Cambodia, and some points in southeastern Asia. Our research provides a global prioritization scheme to protect multiple dimensions of crocodilian diversity for achieving effective conservation outcomes.
Funder
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Fundação para a Ciência e a Tecnologia
Publisher
Springer Science and Business Media LLC
Reference77 articles.
1. Ackerly, D. D., Schwilk, D. W. & Webb, C. O. Niche evolution and adaptive radiation: Testing the order of trait divergence. Ecology 87, 50–61 (2006).
2. Somaweera, R. et al. The ecological importance of crocodylians: Towards evidence-based justification for their conservation. Biol. Rev. Camb. Philos. Soc. 95, 936–959. https://doi.org/10.1111/brv.12594 (2020).
3. Swain, S. et al. Anthropogenic influence on the physico-chemical parameters of Dhamra estuary and adjoining coastal water of the Bay of Bengal. Mar. Pollut. Bull. 162, 111826. https://doi.org/10.1016/j.marpolbul.2020.111826 (2021).
4. IUCN. IUCN Red List of Threatened Species. Version 2022.1. www.iucnredlist.org (2022).
5. Markich, S. J. & Jeffree, R. A. (eds) The Finnis River. A Natural Laboratory of Mining Impact—Past, Present and Future (Australian Nuclear Science and Technology Organisation, 2002).
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