1. Department of Experimental Limnology; Leibniz-Institute of Freshwater Ecology and Inland Fisheries; Berlin Germany
2. Universidad Latina de Costa Rica; San Jose Costa Rica
3. Key Laboratory Three Gorges Reservoir Region's Eco-Environment, Ministry of Education; Chongqing University; Chongqing P. R. China
4. National Center for International Research of Low-Carbon and Green Buildings, Chongqing University; Chongqing P. R. China
5. Institute for Biochemistry and Biology, Potsdam University; Potsdam Germany