1Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Berlin, Germany
2Biology Program, Bard College, Annandale, New York
3Laboratorio de Ecología y Fotobiología AcuÁ tica, Instituto Tecnolígico de Chascomús (INTECH), Chascomús Provincia de Buenos Aires, Argentina
4Department of Ecology and Evolution, Stony Brook University, Stony Brook, New York
5Department of Biology, University of Oslo, Oslo, Norway
6Cooperative Freshwater Ecology Unit, Ontario Ministry of the Environment, Laurentian University, Sudbury, Ontario, Canada
7Swiss Federal Institute of Aquatic Science and Technology (Eawag), Dübendorf, Switzerland
8Laboratory of Aquatic Photobiology and Plankton Ecology, Institute of Ecology, University of Innsbruck, Innsbruck, Austria
9Limnological Institute, University of Konstanz, Konstanz, Germany
10Department of Aquatic Food Webs, Netherlands Institute of Ecology, Centre for Limnology, Nieuwersluis, The Netherlands
11Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, and Department of Ecology and Evolution, Uppsala University, Uppsala, Sweden
12John Muir Institute of the Environment, Tahoe Environmental Research Center, University of California, Davis, California
