The total number of benthic animal descent comparing general paddy.
底栖动物个体总数总体上比常规稻田少，水稻生育前期减小的幅度比较大，后期和常规稻田差别不大。
参考来源 - 稻鸭共作对稻田水体底栖动物生物多样性的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
The concept and main groups of zoobenthos was summarized, and studies of assessment and monitoring of water quality by using benthic animal in China were reviewed.
概括了底栖动物的概念，列举了淡水底栖动物的主要类群；综述了近年来我国利用底栖动物评价和监测水质的主要工作。
The water quality of Urumqi river was evaluated using biological index. Which is on the basis of analysis of the population structure of benthic animal in Urumqi river.
通过对乌鲁木齐河底栖动物种群结构的分析，利用生物指数评价乌鲁木齐河水质状况。
The harm of heavy metal to the aquatic organisms and the utilization of benthic animal to control the heavy metal was discussed and the important function of benthic animal was pointed out.
探讨了重金属对水生生物的危害及底栖动物对重金属的生物可利用性，指出海洋底栖动物对重金属治理有着巨大作用。
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