Distribuição sazonal e espacial de girinos em corpos d agua na região de Botucatu, São Paulo (Amphibia, Anura)
AUTOR(ES)
Denise de Cerqueira Rossa Feres
DATA DE PUBLICAÇÃO
1989
RESUMO
Abstract: In the present work twenty one anuran species (tadpoles and adults) were studied from twenty different pools in the region of Botucatu ? São Paulo, from february 1984 to march 1985. The purpose of this work was to ascertain the mode of resource partitioning by tadpoles of several species, concerning: distribution of tadpoles and adults emitting vocalization, variation in abundance and frequence of tadpoles, lengh of larval life, macro and microespatial distribution. The region studied eas seasonal, with warm/rainy season, from october to march and cold/dry season, from april to september. The principal climatic parameters influencing ocurrence and reproduction of anurans were air temperatura and rain. Fourteen species presented reproduction in delimited periods. Six species presneted potencial annual reproductive activity. On the whole, the observed seasonal distribution pattern is in agreement with data gathered on tropical environments, similar to the region of Botucatu. The seasonal partitioning was more evident among species occurring in the cold/dry season and in the warm/rainy season, than among others occurring in transitional periods or in shorter periods within these season. ... Note: The complete abstract is available with the full electronic digital thesis or dissertations.
ASSUNTO(S)
ACESSO AO ARTIGO
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