Resumen del producto

The Guadalupe fur seal (Arctocephalus townsendi) was intensively hunted and considered extinct by the end of the 1800s. However, small numbers (-1) and that the population totaled ~41,000 individuals in 2017 (x=40,614 , 95% CI= 35,779–46,877). Guadalupe fur seals appear to be vulnerable to extreme climatic events. Of the two fur seal colonies, the San Benito Islands colony is less secure and is Endangered to Critically Endangered depending on the quasi-extinction value used under the quantitative listing criteria established by IUCN. In contrast, the Guadalupe Island colony and the two colonies combined meet the quantitative analysis criteria of Least Concern. Population Viability Analysis is an important component of assessing the status of wildlife populations, and assisting nations and organizations in assigning appropriate categories of protection.

Palabras clave: Guadalupe fur seal; PVA; Probability of extinction; endangered species; Population trend; Pinnipeds

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