Observações ecológicas sobre Polyplacophora em um prado de Halodule wrightii Ascherson e novos registros para o Nordeste e costa brasileira
DOI:
https://doi.org/10.65259/rnzool.v7i1.69Palavras-chave:
Ecologia de angiospermas marinhas, capim-agulha, Chaetopleura isabellae, Ischnochiton niveus, Ischnochiton striolatusResumo
Em função da preferencial ocorrência em substratos duros e dos poucos estudos sobre comunidades específicas associadas a Halodule wrightii, estudos sobre quítons em ecossistemas de angiospermas marinhas são escassos, bem como sobre as relações ecológicas entre eles. O objetivo deste estudo foi observar a dinâmica espacial e temporal dos quítons em um banco de H. wrightii estabelecido sobre uma praia rochosa, e também observar as funções das plantas em relação a estes animais marinhos. Este estudo registrou as espécies Ischnochiton sp., Ischnochiton striolatus, Ischnochiton niveus e Chaetopleura isabellae neste ecossistema, e reportou pela primeira vez as espécies I. niveus para a costa brasileira e C. isabellae para a costa do nordeste brasileiro. A distribuição dos quítons no ecossistema estudado pode estar relacionada tanto ao hábito das espécies quanto às interferências ambientais. Este estudo sugere a preferência dos quítons pelas plantas, considerando os abundantes substratos rochosos em torno do prado para o seu estabelecimento. As funções de proteção, alimentação e berçário das angiospermas marinhas em relação aos quítons foram observadas.
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