benthic animal造句

• To examine the effects of different lake uses on lacustrine zoobenthic community , zoobenthos were sampled in 1998 - 1999 from four shallow lakes of middle and lower basins of changjiang river , viz . fish stocking and touring lake , east tangsun lake ; fish - stocking - lake , niushan lake ; natural - fishing - lake , longgan lake and crab - overstocking - lake , huang lake . species composition , standing crops , functional feeding groups of benthic animals in every lake were studied
  1998年4月1999年7月对长江中下游四个浅水湖泊即东汤孙湖、牛山湖、龙感湖和黄湖的底栖动物分别进行了四次采集，研究各个湖泊底栖动物在种类组成、现存量、功能摄食类群、生产显和渔产潜力上的差异；结合各个湖泊理化生物因子综合分析了湖泊不同利用方式对底栖动物群落的影响。