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Mastozoología neotropical
versão impressa ISSN 0327-9383versão On-line ISSN 1666-0536
Resumo
OLIVEIRA, Márcio L. de et al. Population study of white-eared-opossum, Didelphis albiventris (Mammalia, Didelphidae), in a small forest fragment. Mastozool. neotrop. [online]. 2010, vol.17, n.1, pp.161-165. ISSN 0327-9383.
The white-eared-opossums are habitat generalist animals and occur in high abundance in forest fragments. Therefore these animals are important to understand the dynamics of this landscape. The population of Didelphis albiventris in a 7 ha stational semidecidual forest fragment and its agricultural surroundings was studied during one year. The population abundance, age structure and sex ratio were estimated monthly. Two movements between the fragment and the surrounding area were detected. The population dynamics showed an annual pattern with a high peak during the dry season.
Palavras-chave : Atlantic Forest; Capture-Mark-Recapture; Didelphis; Habitat fragmentation; Population ecology.