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ALIMENTACION Y CONDUCTA ALIMENTARIA DE LA ALMEJA DE AGUA DULCE DIPLODON CHILENSIS (BIVALVIA: HYRIIDAE)
Author(s) -
Gladys Lara,
Esperanza Parada,
Santiago Peredo
Publication year - 2002
Publication title -
gayana
Language(s) - Spanish
Resource type - Journals
SCImago Journal Rank - 0.177
H-Index - 17
eISSN - 0717-6538
pISSN - 0717-652X
DOI - 10.4067/s0717-65382002000200004
Subject(s) - humanities , biology , art
Con el propósito de conocer cualitativamente la alimentación y la conducta alimentaria de la almeja de agua dulce Diplodon chilensis, se analizó mediante estudios de laboratorio y de campo el comportamiento alimentario y el contenido digestivo de especímenes procedentes de sustratos areno-pedregosos y arenosos del Lago Panguipulli y se relacionó con la oferta ambiental existente en el sustrato (fitobentos) y en el agua (fito-plancton). El análisis del contenido digestivo de los especímenes y los resultados experimentales, indican que Diplodon chilensis tiene una alimentación mixta en base a fitoplancton, fitobentos y materia orgánica existente en el plancton y en el bentos.To determine qualitatively, feeding and alimentary behavior of the freshwater mussel, Diplodon chilensis, it was studied by means of field and laboratory studies the alimentary behavior and the digestive content of specimens inhabiting sand-gravel and sandy substrates of Lake Panguipulli; the digestive content of D. chilensis specimens was correlated to the environmental food offer existing in the substrate (phytobenthos) and in the water (phytoplankton).\udThe digestive content analysis of the specimens and the experimental results show that D. chilensis has a mixed feeding based on phytoplankton, phytobenthos and organic matter existent in the plankton and benthos

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