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Provedor de dados:  Rev. Bras. Zool.
País:  Brazil
Título:  Influence of pitfall trap size and design on herpetofauna and small mammal studies in a Neotropical Forest
Autores:  Ribeiro-Júnior,Marco A
Rossi,Rogério V
Miranda,Cleuton L
Ávila-Pires,Teresa C. S
Data:  2011-02-01
Ano:  2011
Palavras-chave:  Amphibians
Faunal survey
Neotropical forest
Reptiles
Sampling method
Small mammals
Resumo:  One of the most commonly used sampling techniques to capture leaf litter amphibians, lizards and small mammals is a set of pitfall traps with drift fences. However, there are still many speculations concerning the effectiveness of different designs of pitfall traps and the most adequate size of each trap. To address this problem, we conducted the first standardized comparison of patterns of species richness, rank-abundance, and community structure of leaf litter amphibians, lizards and small mammals for two trap designs (I and Y format) and three bucket sizes (35, 62, and 100 L) in a Neotropical forest. Results are very similar for the herpetofauna, regardless of the pitfall trap design or size used, while for small mammals values of species richness were higher for 100 L pitfall traps, as compared to the smaller traps. Therefore, the use of 100 L pitfall traps is recommended to sample the terrestrial vertebrate fauna, in multidisciplinary studies. For surveys aiming only the herpetofauna the use of smaller (35 L) traps is acceptable, taking into consideration the cost-benefits obtained by the smaller traps, in comparison to the larger ones.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000100012
Editor:  Sociedade Brasileira de Zoologia
Relação:  10.1590/S1984-46702011000100012
Formato:  text/html
Fonte:  Zoologia (Curitiba) v.28 n.1 2011
Direitos:  info:eu-repo/semantics/openAccess
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