Affiliation: | (1) Section of Limnology and Hydrobiology, Department of Biological and Environmental Sciences, University of Jyväskylä, P.O. Box 35 (YAC), FIN-40014, Finland;(2) North Savo Regional Environment Centre, P.O. Box 1049, FIN-70101 Kuopio, Finland;(3) Finnish Environment Institute, P.O. Box 140, FIN-00251 Helsinki, Finland;(4) University of Helsinki, Lammi Biological Station, FIN-16900, Lammi, Finland;(5) Department of Ecological and Environmental Sciences, University of Helsinki, Niemenkatu 73, FIN-15140 Lahti, Finland |