Institution: | (1) Centre for Limnology, Department of Foodweb Studies, Netherlands Institute of Ecology (NIOO-KNAW), Rijksstraatweg 6, NL-3631 AC Nieuwersluis, The Netherlands;(2) Present address: Royal Netherlands Institute for Sea Research, P.O. Box 59, NL-1790 AB Den Burg, The Netherlands;(3) Present address: Schmalhausen Institute of Zoology, Department of Fauna and Systematic of Invertebrate Animals, National Academy of Sciences of Ukraine, B. Khmelnitskogo 15, MSP, UA-01601 Kiev, Ukraine |