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本地资源构成了亚马逊地区新古河特有丽鱼科鱼类的饮食结构
本研究评估了亚马逊流域Xingu River受水坝影响的洪水脉冲对慈鲷鱼Geophagus argyrostictus的食性、同位素特征及同化资源的影响。通过2020-2021年每月采样结合胃容物分析和同位素分析,发现鱼类食性组成在高水位和低水位期变化,主要依赖沉积物和陆生植物,但同化 ...
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