生物放大效应
shēnɡ wù fànɡ dà xiào yìng
- 名biological amplification
生物放大效应-
环境中的汞不仅能够通过溶解、挥发、沉降、甲基化等作用在环境中进行迁移转化，还能通过食物链、生物富集等产生放大效应，危害人体健康。
Mercury can transport and transform in environment through dissolving , volatilization , sedimentation , methylation and some other processes . Also , it can endanger human health through food chain and bioaccumulation .
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重金属的毒性大、不易被代谢、易被生物富集并有生物放大效应等特点，严重威胁人类和水生生物的生存。
The toxicity of heavy metals is serious . Heavy metals can not be metabolized easily ; they also have bioconcentration and biomagnification , so heavy metals are threat to human and aquatic organisms seriously .