Authors
Krzysztof Jagiełło
Faculty of Oceanography and Geography, Institute of Oceanography, Department of Marine Biology and Ecology, University of Gdansk, Gdynia, Poland
Marcin Polonis
Faculty of Oceanography and Geography, Institute of Oceanography, Department of Marine Biology and Ecology, University of Gdansk, Gdynia, Poland
Ligia Panasiak
Faculty of Oceanography and Geography, Institute of Oceanography, Department of Marine Biology and Ecology, University of Gdansk, Gdynia, Poland
Stefan Dobosz
Department of Salmonid Research, Inland Fisheries Institute in Olsztyn, Poland
Konrad Ocalewicz
Faculty of Oceanography and Geography, Institute of Oceanography, Department of Marine Biology and Ecology, University of Gdansk, Gdynia, Poland