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1997年对泥河水库进行资源调查 ,共获底栖动物 4大类 2 6种。其中软体动物 14种 ,摇蚊幼虫 6种 ,寡毛类 5种 ,甲壳类 1种。底栖动物的年平均密度为 6 2 1 9个 /m2 ,生物量年平均为 37 2 2 6g/m2 。阐述了底栖动物的季节变化、渔产潜力及底栖动物在环境检测中的作用
In 1997, a survey was carried out on the Naihe Reservoir to obtain 26 species belonging to 4 major categories of zoobenthos. Among them, 14 species of molluscs, 6 species of chironomid larvae, 5 species of oligochaetes and 1 species of crustaceans. The annual average density of zoobenthos is 6 2 1 9 / m2, and the annual average biomass is 37 2 26g / m2. Explain seasonal changes of zoobenthos, fisheries potential and the role of zoobenthos in environmental monitoring