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Master's Dissertation
DOI
10.11606/D.87.2009.tde-17042009-144200
Document
Author
Full name
Fernanda da Cruz Centeno
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2009
Supervisor
Committee
Sawaya, Ricardo Jannini (President)
Brasileiro, Cinthia Aguirre
Santos, Selma Maria de Almeida
Title in Portuguese
Diversidade e uso do ambiente pelos anfíbios e répteis da ilha de São Sebastião, Ilhabela, SP.
Keywords in Portuguese
Diversidade
Herpetofauna
Ilha de São Sebastião
Mata Atlântica
Uso do ambiente
Uso do substrato
Abstract in Portuguese
A Ilha de São Sebastião está localizada em um dos remanescentes de Mata Atlântica e, apesar de sua importância, o conhecimento sobre as taxocenoses da herpetofauna ainda é fragmentado. Assim, considerando a inexistência de dados, este trabalho teve como objetivo o estudo da ecologia da herpetofauna, enfocando os seguintes aspectos: composição, riqueza, dominância, abundância relativa, uso do ambiente e uso do substrato. Para a amostragem de campo, foram utilizados os métodos armadilha de interceptação e queda, armadilha de funil, procura visual limitada por tempo, procura de carro e encontro casual. Os dados de campo foram complementados por dados de coleções científicas e literatura. Foram registradas 34 espécies de anfíbios anuros, um anfíbio gimnofiono, um anfisbenídeo, dez lagartos, 26 serpentes e um quelônio. Serapilheira, arbusto e solo foram os substratos mais utilizados pela herpetofauna. A maioria das espécies é especialista. A distribuição das espécies indica que ocorre estruturação das taxocenoses, com maior diversidade na altitude intermediária.
Title in English
Diversity and habitat use by amphibians and reptiles from ilha de São Sebastião, Ilhabela, SP.
Keywords in English
Atlantic florest
Diversity
Habitat use
Herpetofauna
Ilha de São Sebastião
Macrohabitat use
Abstract in English
The ilha de São Sebastião is located in one of the most representative remnants of the Atlantic forest, and although its great importance, the knowledge of herpetofaunal assemblages remain poorly known, mainly in ecology. Thus, considering the data or quantitative studies absence, this work goal the herpetofaunal ecology, focusing: composition, richness, dominance, relative abundance, habitat use and macrobabitat use. Fieldwork included pitfall traps with drift fences, funnel traps, time constrained search, sampling by car and incidental encounters. The fieldwork data was complemented by herpetological collections and literature records. We recorded 34 species of anuran amphibians, one gymnophiona, one amphisbenid, ten lizards, 26 species of snakes and one turtle. There were many differences on macrohabitat use, and the main were litter, shrub and ground. The most of species is specialist in the macrohabitat use. In the habitat use, the species distribution shows that the assemblage structure is complex, with superior diversity in the intermediate altitude.
 
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Publishing Date
2009-04-27
 
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