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ONTOGENY OF THE DIET IN ANURANS (AMPHIBIA) COLLECTED AT LA VIEJA RIVER BASIN IN THE DEPARMENTO OF QUINDIO (COLOMBIA)

机译:昆迪省(哥伦比亚)拉维耶河河流域采集的无脊椎动物(两栖动物)的饮食学

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The diet was examined for three anuran species Rhinella marina (Bufonidae), Pristimantis achatinus (Strabomantidae) and Dendropsophus columbianus (Hylidae) that inhabit agroecosystems at the Rio La Vieja Basin (Quindio, Colombia). The goal of this study was to establish if there is an ontogenetic change in the diet of all species. Gastrointestinal contents were preserved in 70% ethanol and identified to the lowest possible taxonomic level. Identified prey portions were classified into 20 types. Hymenoptera, Coleoptera and Hemiptera were the most frequent preys. Considerable dietary overlap among three different body-size classes of all species show some differences. However the ANOVA analysis showed that there was no significant difference (P=0.05) in diets at different ontogenetic sizes.
机译:在饮食中检查了居住在Rio La Vieja盆地(哥伦比亚Quindio)农业生态系统中的三种无臭物种Rhinellla marina(Bufonidae),Pristimantis achatinus(Strabomantidae)和Dendropsophus columbianus(Hylidae)。这项研究的目的是确定所有物种的饮食中是否存在个体发生变化。胃肠道内容物保存在70%的乙醇中,并确定为可能的最低分类标准。确定的猎物部分分为20种。膜翅目,鞘翅目和半翅目是最常见的猎物。所有物种的三种不同体型的人之间在饮食上有相当大的重叠,表现出一些差异。但是,ANOVA分析表明,不同个体发育大小的日粮之间没有显着差异(P = 0.05)。

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