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Type: Artigo de periódico
Title: Breeding Biology Of Physalaemus Centralis Bokermann, 1962 (anura: Leptodactylidae) In Southeastern Brazil
Author: Brasileiro C.A.
Martins M.
Abstract: Physalaemus centralis is widely distributed in areas of cerrado vegetation in South America. Here we describe the temporal variation in activity and explore eventual effects of climatic conditions on activity, calling sites, territorial behaviour; courtship behaviour, egg clutches and tadpole development of P. centralis in southeastern Brazil. Field observations were made from January 1996 to February 1997. Vocalisations and reproductive activity were restricted to the rainy season, with a peak of activity in October. The number of calling males was significantly correlated with relative humidity, mean air temperature, and air pressure values of the previous day. Courtship is simple and did not include any physical contact before amplexus; furthermore, females seem to choose their mates. Amplectant pairs were observed from mid-October to mid-December. Most foam nests observed were anchored within the vegetation. The number of eggs in the foam nests ranged from 1549 to 2405. Tadpoles were mainly found in shallow parts of the water from October to mid-January. The reproductive biology of P. centralis is similar to that of closely related species of the P. cuvieri group, suggesting conservatism in this lineage. © 2006 Taylor & Francis.
Rights: fechado
Identifier DOI: 10.1080/00222930600835193
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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