Water Eutrophication and Comment on Biological Remediation Technology

At present,the level of lake eutrophication is deteriorating in China,which has destroyed the balance of aquatic ecosystems and endangered human health seriously.The formation of water eutrophication is releated to several factors,such as nutrients,dissolved oxygen,light,temperature,hydrodynamic and sediment,etc.Based on analyzing the causes and harm of water eutrophication,the remediation technology of aquatic plant,microorganism and aquatic animal were discussed in detail,including their treatment mechanism,process characteristics,existing problems and the future research direction.