4DUANA N, LIU X D, DAI J, et al.Evaluating the environmental impacts of an urban wetland park based on emergy accounting and life cycle assessment: a case study in Beijing[J].Ecological Modelling, 2011 ( 222 ) : 351-359.
5LI Y F, LIU H Y, ZHENG N, et al.Analysis of Trophic status and its influence factors of different water body types in Xixi national wetland park, China[J].Proeedia Environment Sciences, 2010 (2) : 768-880.
6LI X P, CHEN M M, BRUCE C A.Design and performance of a water quality treatment wetland in a public park in Shanghai, China[J].Ecological Enginee6ng, 2009 ( 35 ) : 18-24.