三峡水库坝前段蓄水前后桡足类种类组成的变化
VARIATION OF COPEPOD FROM MAOPING TO GUIZHOU IN THE THREE GORGES RESERVOIR BEFORE AND AFTER IMPOUNDMENT
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摘要: 三峡水库蓄水后库区水环境发生了巨大变化,坝前茅坪至归州的西陵峡段由激流型河流生态系统演变为相对静水的水库型生态系统。桡足类是河流、湖泊、水库中重要的浮游动物类群,在水生态系统中占有重要地位,在浮游动物的研究中备受重视。20世纪50年代三峡水库论证时也曾对其淹没区小水体的桡足类进行过调查,并对建库后的桡足类的种类组成进行了预测,但当时在未成库区干流中没有采集到桡足类。
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Keywords:
- Copepod /
- Composition of species /
- Three Gorges Reservoir
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