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底层鱼类除少部分摄食底层附着藻类和沉水植物外,大部分以底栖动物为食。它的丰盛度对研究合理的鱼类区系,确定底层鱼类投放指标及预报鱼产量有着重要意义。我们于19811982年对刘家峡水库的饵料生物进行了调查。本文就该库底栖动物群落结构及其渔业利用做一初步探讨。
In addition to the bottom of the bottom part of the food feeding algae and submerged plants attached to the bottom, the majority of benthic animals for food. Its abundance is of great significance to the study of reasonable fish fauna, the determination of the underlying fish delivery targets and the prediction of fish production. We investigated the bait organisms of Liujiaxia Reservoir in 19811982. This paper makes a preliminary study on the zoobenthos community structure and its fishery utilization in this reservoir.