The concentrations of five heavy metals involving Zinc(Zn),Copper(Cu),Cadmium(Cd),Lead(Pb) and Chrome(Cr) in sediments of Panlong river were determined and their influences on the water quality and the around environment were evaluated by the ecological risk index of Hakason.

Persistent Organic Pollutants(POPs)distribution and potential ecological risk on sediment in Lake Taihu and slurry stockyard;

Evaluation on the potential ecological risks of heavy metal pollution in sediments in the main course of Haihe River and Dagu Drainage Outlet;

Effects of road on landscape and its ecological risk assessment:A case study of Lancangjiang River valley.;

The function of Bt transgenic corn in IPM system and its ecological risks;

Assessing ecological risks of DDT and lindane to freshwater organisms by species sensitivity distributions

But,on the other hand,the ecological risks appear,little by little,as the rapid development of tourism .

The method of regional landscape ecological risk assessment;

Application of Ivermectin in aquaculture and corresponding aqua-ecosystem risk;

Based on the program of ecological risk assessment, this paper analyzed the steps of ecological risk source and conceptual model of coastal mudflat development: problem plans and forms, receptor analysis and ecological endpoint choosing, risk source analysis, conceptual model, exposure–hazard analysis.