Autores
Nicholas K Dulvy, Nathan Pacoureau, Cassandra L Rigby, Riley A Pollom, Rima W Jabado, David A Ebert, Brittany Finucci, Caroline M Pollock, Jessica Cheok, Danielle H Derrick, Katelyn B Herman, C Samantha Sherman, Wade J VanderWright, Julia M Lawson, Rachel HL Walls, John K Carlson, Patricia Charvet, Kinattumkara K Bineesh, Daniel Fernando, Gina M Ralph, Jay H Matsushiba, Craig Hilton-Taylor, Sonja V Fordham, Colin A Simpfendorfer
Fecha de publicación
2021/11/8
Revista
Current Biology
Volumen
31
Número
21
Páginas
4773-4787. e8
Editor
Elsevier
Descripción
The scale and drivers of marine biodiversity loss are being revealed by the International Union for Conservation of Nature (IUCN) Red List assessment process. We present the first global reassessment of 1,199 species in Class Chondrichthyes—sharks, rays, and chimeras. The first global assessment (in 2014) concluded that one-quarter (24%) of species were threatened. Now, 391 (32.6%) species are threatened with extinction. When this percentage of threat is applied to Data Deficient species, more than one-third (37.5%) of chondrichthyans are estimated to be threatened, with much of this change resulting from new information. Three species are Critically Endangered (Possibly Extinct), representing possibly the first global marine fish extinctions due to overfishing. Consequently, the chondrichthyan extinction rate is potentially 25 extinctions per million species years, comparable to that of terrestrial vertebrates …
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