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January 11, 2023

We understood 42 more jaguars and calculated its sex, many years class, and you may reproductive standing

Abstract

Thickness is vital getting understanding high carnivore ecology and you can preservation, but quoting it offers proven methodologically tough. We held 12 months of camera capturing in order to estimate jaguar (Panthera onca) density and you may populace design regarding Los Llanos area for Venezuela towards Hato Pinero ranch, in which search are banned and animals try excluded of 1 / 2 of farm places. I estimated mature jaguar densities which have spatial simply take-recapture patterns, playing with intercourse/reproductive county and training given that covariates. Activities versus temporal variation gotten a whole lot more assistance than habits one enjoy adaptation ranging from sessions. Men, reproductive girls, and you may nonreproductive ladies differed in their density, baseline detectability, and you can way. An educated estimate from full mature jaguar people thickness are 4.44 some body/one hundred km dos . Predicated on reproductive female occurrence and you will imply amount of little ones for every single women, i projected cub density within step 3.23 people/a hundred kilometer dos and an overall total occurrence away from seven.67 jaguars/one hundred km 2 . Estimated jaguar population build are 21% boys, 11% nonreproductive lady, 26% reproductive people, and you can 42% cubs. We stop you to definitely extending new testing period to a single 12 months expands new detectability of women and you will cubs and you will makes occurrence quotes a whole lot more strong as opposed to the more widespread brief degree.