1 Department of Ecology and Genetics/Limnology, Uppsala University, Uppsala, Sweden. Gesa.Weyhenmeyer@ebc.uu.se.
2 Fondazione Edmund Mach, Research and Innovation Centre, San Michele all'Adige, Italy.
3 Department of Ecology and Genetics/Limnology, Uppsala University, Uppsala, Sweden.
4 Northern Water Problems Institute, Karelian Research Centre RAS, Petrozavodsk, Russia.
5 U.S. Geological Survey, Northern Prairie Wildlife Research Center, Jamestown, ND, USA.
6 Center for Ecological Sciences, Tetra Tech, Inc., Montpelier, VT, USA.
7 Department of Biological Sciences, Virginia Tech, Blacksburg, VA, USA.
8 School of Natural Resources & Environment, Lake Superior State University, Sault Sainte Marie, MI, USA.
9 Center for Freshwater Research and Education, Lake Superior State University, Sault Sainte Marie, MI, USA.
10 Center for Limnology, University of Wisconsin-Madison, Madison, WI, USA.
11 Lomonosov Moscow State University, Moscow, Russia.
12 St Petersburg State University, St Petersburg, Russia.
13 Department of Biology, Franklin & Marshall College, Lancaster, PA, USA.
14 Laboratory of Hydrobiology, Institute of Biology, University of Latvia, Riga, Latvia.
15 Department Plankton and Microbial Ecology, Leibniz Institute for Freshwater Ecology and Inland Fisheries, Stechlin, Germany.
16 Department of Biochemistry and Biology, Potsdam University, Potsdam, Germany.
17 Centre for Limnology, Chair of Hydrobiology and Fishery, Institute of Agricultural and Environmental Sciences, Estonian University of Life- Sciences, Tartu, Estonia.
18 Itasca Biological Station, University of Minnesota, Lake Itasca, MN, USA.
19 Institute of Earth Sciences, University of Applied Sciences and Arts of Southern Switzerland, Mendrisio, Switzerland.
20 Department of Earth Sciences, University of Gothenburg, Gothenburg, Sweden.
21 Finnish Environment Institute, Jyväskylä, Finland.
22 Department of Biology, Queen's University, Kingston, ON, Canada.
23 Dorset Environmental Science Centre, Ontario Ministry of the Environment, Conservation and Parks, Dorset, ON, Canada.
24 Department of Biology, York University, Toronto, ON, Canada.