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Mastozoología neotropical
versão impressa ISSN 0327-9383versão On-line ISSN 1666-0536
Resumo
ANDINO, Natalia et al. Precipitation drives reproductive activity in male Microcavia australis in the monte desert. Mastozool. neotrop. [online]. 2016, vol.23, n.1, pp.17-24. ISSN 0327-9383.
Desert areas represent heterogeneous environments where animals must reproduce under extreme conditions, and where a combination of environmental factors may contribute to trigger or inhibit reproduction. Microcavia australis is a caviomorph rodent that occurs in arid and semiarid habitats of Argentina. We examined how reproductive activity in male M. australis from a Monte Desert population is responsive to environmental conditions, including precipitation. Our results showed that reproductive activity of these animals is predicted exclusively by precipitation. This research adds new evidence to the ecology of this species, which could explain its wide distribution.
Palavras-chave : Environmental factors; Precipitation; Reproduction; Rodents.