[1] Rhein Westfal TH Aachen, Inst Biol 5, D-52074 Aachen, Germany
[2] IWW Water Ctr, D-45476 Mulheim, Germany
[3] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
[4] Zhejiang Univ, Coll Environm & Resource Sci, Hangzhou 310058, Zhejiang, Peoples R China
[5] Res Ctr Julich, Cent Div Analyt Chem, D-52425 Julich, Germany
[6] Munchen German Res Ctr Environm Hlth, Helmholtz Zentrum, Inst Ecol Chem, D-85764 Neuherberg, Germany
[7] Karlruhe Inst Technol, Inst Mineral & Geochem, D-76128 Karlsruhe, Germany
[8] Water Technol Ctr, D-76139 Karlsruhe, Germany
[9] Res Ctr Julich, Inst Bio & Geosci, D-52425 Julich, Germany
[10] Tech Univ Munich, Ctr Life & Food Sci Weihenstephan, D-85350 Freising Weihenstephan, Germany
[11] Univ Stuttgart, Inst Hydraul Engn, D-70569 Stuttgart, Germany
[12] Southwest Univ, Sch Geog Sci, Chongqing 400715, Peoples R China