从保护河道内水生生物的角度出发，以鱼类为河道水生生物的指示物种。
From the viewpoint of protecting aquatic biotope, fish is deemed as target of river aquatic biology.
对水生生物没有直接的作用，主要是通过改变水生生物的生存环境而产生作用。
Compound bacterium will not directly affect aquatic biology but improve the survival environment of aquatic biology.
目前，重金属离子对水生生物生理、代谢的影响及对水生生物致毒机制的研究已经取得了进展，而重金属离子对鱼蛋白加工品质和结构影响的报道较少。
The researches of enrichment in aquatic lives and toxic mechanism of heavy metals have made a rapid progress, Whereas, there were few reports on the effects of process and configuration on protein.
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