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Brésil (2019)

Population Viability Analysis and Conservation of Giant Anteater in a Savannah Protection Area

Priscilla Braga Petrazzini

Titre : Population Viability Analysis and Conservation of Giant Anteater in a Savannah Protection Area

Pays : Brasil
Zone d’intervention : Brasilia National Park

Date : 3 Sep 2019

Bénéficiaire : Priscilla Braga Petrazzini

Contexte  : According to IUCN, the giant anteater is a vulnerable species. The intense deforestation of the Brazilian savanna affects the species that is severely threatened by the loss of its habitat. Therefore, this project aims to estimate the demographics, genetic structure and population viability of the Giant Anteater in the National Park of Brasilia (the largest fragment of savanna within the Federal District of Brazil), in order to evaluate and direct conservation actions of the target species. We will install cameras-trap and do GPS radio-tracking for monitoring individuals and to obtain data about population density, activity pattern, the home range of the individuals, and the effect of seasonality.

Description
With this information, I will perform a probability’s model of occupancy and detection to assess the relative importance of the variables of the studied area and highlight anthropogenic impacts (visitors, roads, constructions, fire). We will also collect blood samples to identify genetic diversity and check if inbreeding is occurring in the population. With the data obtained, a population viability analysis will be performed to estimate the probability of persistence of this population in the area, allowing direct action for the species protection and perpetuation in the protected area. Genetic data will show the degree of individual’s kinship. High kinship can lead to low genetic diversity and increase species vulnerability. Data will be used to dialogue with decision-makers and zoos to discuss individual’s reintroduction to help genetic diversity and the perpetuation of the anteater if it is necessary.

This project is a part of a Ph.D. thesis, and it will be arranged in three sections : 1- Evaluating activity pattern, home range and habitat use of the giant anteater in a protected area of the Brazilian savanna. 2- Investigating the diversity and genetic structuration of the giant anteater population in a protected area of the Brazilian savanna. 3- Verifying the probability of persistence of the anteater population in a protected area of the Brazilian savanna. The project will be carried out from 2019 to 2022.

The Rufford Foundation

Page publiée le 12 avril 2021