1. Kellogg Biological Station Michigan State University 3700 E Gull Lake Dr. Hickory Corners MI 49060 USA
2. Department of Integrative Biology Michigan State University 288 Farm Lane East Lansing MI 48824 USA
3. Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales Universidad de Buenos Aires, IEGEBA (CONICET‐UBA) C1428EHA Buenos Aires Argentina
4. Department of Oceanography University of Hawaii at Manoa 1000 Pope Road Honolulu HI 96822 USA
5. Department of Plant Biology Michigan State University 612 Wilson Road East Lansing MI 48824 USA
6. Department of Ecology and Evolutionary Biology Yale University P.O. Box 208106 New Haven CT 06520‐8106 USA
7. Atmospheric and Oceanic Sciences Program Princeton University 300 Forrestal Road, Sayre Hall Princeton NJ 08544 USA
8. Department of Aquatic Ecology Eawag: Swiss Federal Institute of Aquatic Science and Technology Überlandstrasse 133 8600 Dübendorf Switzerland