Filter-feeding mussel and submerged macrophyte are important components of aquatic ecosystem,playing a key role in determining the structure,function and process of shallow lakes;however,the effects of their coexistence on water environment in shallow lakes are still unclear.Mesocosm experiments( control,mussel treatment,submerged macrophyte treatment,and coexistence of mussel and submerged macrophyte treatment) were conducted to evaluate the effects of filter-feeding mussel Anodonta woodiana,submerged macr...