TY - SER AU - Kotusz,Jan AU - Krappe,Martin AU - Kusznierz,Jan AU - Propiolek,Marcin AU - Riel,Philip AU - Waterstraat,Arno AU - Witkowski,Andrzej TI - Distribution, density and habitat of Cottus poecilopus - Heckel, 1836 - in Lake Hancza - North East Poland - as compared with the situation in the Luzin lakes - North East Germany - KW - Conservation KW - Cottus Poecilopus KW - Habitat Use KW - Seasonal Occurrence KW - Diurnal Movements N1 - Kotusz, J.-University of Wroclaw, Museum of Natural History, ul. Sienkiewicza 21, PL-50-335 Wroclaw ER -