1. Department of Migratory Fish, Inland Fisheries Institute, Żukowo, Poland
2. Department of Pond Culture, Inland Fisheries Institute, Olsztyn, Poland
3. Department of Ichthyology, Hydrobiology and Aquatic Ecology, Inland Fisheries Institute, Olsztyn, Poland
4. Department of Ecology and Vertebrate Zoology, University of Łódź, Łódź, Poland
5. UNESCO Chair of Ecohydrology and Applied Ecology, University of Łódź, Łódź, Poland