The impact of raised water level on a winter anoxia lake on the population of narrow-clawed crayfish Astacus leptodactylus (Esch.)
Krzywosz, Tadeusz, Traczuk, Piotr, Ulikowski, Dariusz
Ichthyofauna of the rivers in the Romincka Forest (Pregola River basin, northeastern Poland)
Białokoz, Witold, Chybowski, Łucjan, Krzywosz, Tadeusz, Traczuk, Piotr
Harmful impact of filamentous algae (Spirogyra sp.) on juvenile crayfish
Ulikowski, Dariusz, Chybowski, Łucjan, Traczuk, Piotr
Changes in the fish community of the Czarna Hańcza River (NE Poland) after a fish kill caused by a wastewater treatment plant failure
Wasilewska, Agnieszka, Ulikowski, Dariusz, Traczuk, Piotr, Kalinowska, Krystyna, Kropielnicka-Kruk, Katarzyna
Length-weight relationship and morphometrics of Osmerus eperlanus populations from two lakes of northeastern Poland
Kapusta, Andrzej, Traczuk, Piotr, Chmieliński, Piotr, Kozłowski, Krzysztof
Stomach contents of the great cormorant Phalacrocorax carbo inhabiting northeastern Poland
Traczuk, Piotr, Ulikowski, Dariusz, Kalinowska, Krystyna
Great cormorant (Phalacrocorax carbo) predation on pikeperch (Sander lucioperca L.) in shallow eutrophic lakes in Poland
Traczuk, Piotr, Kapusta, Andrzej
Length-weight relationship and condition factors of European perch, Perca fluviatilis, from 38 lakes in northeastern Poland
Kozłowski, Michał, Traczuk, Piotr, Kalinowska, Krystyna
Interaction between juvenile narrow-claw crayfish, Astacus leptodactylus (Eschscholtz), and common water frog, Rana esculenta (L.), tadpoles or common blue damselfly, Enallagma cyathigerum (Charpentier), larvae during rearing under controlled conditions
Ulikowski, Dariusz, Piotrowska, Iwona, Chybowski, Łucjan, Krzywosz, Tadeusz, Traczuk, Piotr