UDTR — Radar mondial des droits de la Nature

Human‐Induced Extinction Risk of the World's Crocodilians and Chelonians

Identification

Clé publique

radar:r-ce8d657fbf1a1022e0be40748a60ab39

Auteurs

Erik Joaquín Torres‐Romero · Guillermo A. Woolrich‐Piña · Geoffrey R. Smith · William J. Ripple · Julio A. Lemos‐Espinal · Armando Sunny · Craig B. Stanford

Année déclarée

2025

Langue déclarée

en

Type source

article

Première détection

2026-11-14T02:12:41.871125+00:00

Dernière observation des métadonnées

2026-11-14T02:12:41.871125+00:00

Dernière vérification HTTP

Non effectuée

Institutions déclarées par la source

Tecnológico Nacional de México · Universidad Politécnica de Puebla · Denison University · Oregon State University · Universidad Nacional Autónoma de México, Facultad de Estudios Superiores Iztacala · Universidad Autónoma del Estado de México · University of Southern California

Pays d’affiliation déclarés

MX · US

Résumé documentaire — langue originale

ABSTRACT Aim Human activities have profoundly altered biodiversity and ecosystems worldwide, particularly impacting freshwater systems crucial for many reptile species, such as crocodilian and chelonian species, many of which rely heavily on freshwater habitats. Here, we assessed the influence of human‐altered variables (human footprint, aridity index, and livestock layers) and conservation lands on global crocodilian and chelonian species richness and the status of threatened species using IUCN Red List categories to assess extinction risk. Location Global. Time Period Present and Future. Taxa Studied Crocodylia and Chelonia (continental tortoises and turtles, not sea turtles). Methods We used spatial regression models with global data sets on species distributions, anthropogenic pressures, and conservation lands to examine the effects of human‐altered variables and conservation lands on global crocodilian and chelonian species richness. Results According to the IUCN Red List, 42% of the crocodilian and 51% of the chelonian species are globally threatened (CR, EN, VU). Anthropogenic factors, including aridity, human footprint and livestock density, were significantly negatively correlated with species richness. In contrast, the extent of freshwater habitats (FWH), indigenous peoples' lands (IPLs) and protected areas (PAs) were key predictors of species persistence worldwide. Main Conclusions Our projections for FWH and IPLs indicate a concerning decline, threatening the availability of safe havens for these taxa. This trend, coupled with escalating anthropogenic pressures, poses a dire threat to conservation lands and the species that depend on them. We strongly recommend the establishment of robust national and international policy frameworks to promote sustainable livelihoods and alleviate human‐induced pressures. These measures are vital for mitigating extinction risks and ensuring the long‐term conservation of crocodilian and chelonian species and the ecosystems they inhabit.

Identifiants

OPENALEX

https://openalex.org/W4417319582

DOI

10.1111/jbi.70116

Repères documentaires

Famille documentaire

article

Types déclarés par les sources

article

Éditeurs

Wiley

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Sources

OpenAlex · Document 1

• Document · https://doi.org/10.1111/jbi.70116

Statut documentaire

Pertinence à examiner

Bibliothèque

Cette identité n’est pas encore intégrée à la Bibliothèque juridique.