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原创 千岛湖的2大困境:鲢鳙放养了60多年,“保水鱼”保住了什么?
在众多鱼类中,鲢鱼和鳙鱼脱颖而出,成为“净水渔业”的主角,为什么是它们?这要从它们的“饭量”说起。 鲢鱼滤食性,主要以浮游植物为食,尤爱蓝藻;鳙鱼,同样滤食性,但更偏爱浮游动物,两者配合,如同湖泊里的“清道夫”,可以有效控制藻类和 ...
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