1. Several significant changes were found in the composition of the rotifer, cladoceran and copepod assemblages.
许多重要的变化被发现在轮虫，枝角类和桡足类群体的组成中。
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2. The species of cladoceran and copepod in Shiquan River are fewer. From the specimens we observed 5 families 8 genus 18 species of cladoceran and the dominant species are A.
狮泉河的枝角类和桡足类种类很少，所采样品仅检出枝角类5科8属18种，优势种类为尖额溞和盘肠溞；
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3. The species of cladoceran and copepod in Shiquan River are fewer. From the specimens we observed 5 families 8 genus 18 species of cladoceran and the dominant species are A.
