Queimadas podem alterar as assembléias de anuros? O caso das veredas na Estação ecológica Serra Geral do Tocantins
DOI:
https://doi.org/10.5216/rbn.v8i2.16856Keywords:
Anfíbios, Cerrado, fogo, unidade de conservaçãoAbstract
Os efeitos do fogo em espécies animais têm sido estudados principalmente em aves e mamíferos. Estudos que testaram a influência do fogo em anfíbios são escassos, sendo esta lacuna ainda maior para as espécies do Cerrado. No presente estudo, testamos a hipótese de que as queimadas afetam o padrão de co-ocorrência e, consequentemente, a composição de espécies de anuros. O estudo foi realizado na Estação Ecológica Serra Geral do Tocantins, no qual ambientes de veredas que haviam sido queimados (n = 3) ou não (n = 3) foram selecionados. Amostramos as espécies de anuros entre os dias 12 a 21 de novembro de 2010, através de buscas em sítios de reprodução. Neste estudo, 11 espécies de anuros distribuidas em cinco famílias foram encontradas. A riqueza de espécies entre as veredas queimadas e não queimadas foram similares. Observamos que o padrão de co-ocorrência das espécies não diferiu do esperado ao acaso e que composição de espécies entre as veredas queimadas e não queimadas foram similares. Ao contrário de outros estudos, encontramos que a assembléia de anuros estudadanão sofreu influencia negativa do fogo, já que as características ecológicas das espécies favoreceram a persistência desses animais em ambientes queimados.
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