Interaction between juvenile narrow-claw crayfish, Astacus leptodactylus (Eschscholtz), and common water frog, Rana esculenta (L.), tadpoles or common blue damselfly, Enallagma cya... von Ulikowski, Dariusz, Piotrowska, Iwona, Chybowski, Łucjan, Krzywosz, Tadeusz, Traczuk, Piotr

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Growth rate and reproduction of a brood stock of European whitefish (Coregonus lavaretus L.) from Lake Gaładuś under controlled rearing conditions von Szczepkowski, Mirosław (Department of Sturgeon Fish Breeding, The Stanisław Sakowicz Inland Fisheries Institute in Olsztyn, Pieczarki 50, 11-610 Pozezdrze, Poland), Szczepkowska, Bożena (Department of Sturgeon Fish Breeding, The Stanisław Sakowicz Inland Fisheries Institute in Olsztyn, Pieczarki 50, 11-610 Pozezdrze, Poland), Krzywosz, Tadeusz (Department of Lake Fisheries in Giżycko, The Stanisław Sakowicz Inland Fisheries Institute in Olsztyn, Poland), Wunderlich, Krzysztof (Department of Sturgeon Fish Breeding, The Stanisław Sakowicz Inland Fisheries Institute in Olsztyn, Pieczarki 50, 11-610 Pozezdrze, Poland), Stabiński, Robert (Fisheries Enterprise of the Polish Angling Association in Suwałki, Poland)

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Co-occurrence of the signal crayfish (Pacifastacus leniusculus (Dana)) and the spiny-cheek crayfish (Orconectes limosus (Raf.)) in a foothill-like river (northern Poland) von Krzywosz, T.,Inland Fisheries Institute, Olsztyn (Poland). Dept. of Lake Fisheries

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In vivo calibration of juvenile crayfish body length and weight with a photographic-computer method von Ulikowski, D.,Inland Fisheries Institute, Olsztyn (Poland). Experimental Fish Hatchery Dgal, Krzywosz, T.,Inland Fisheries Institute, Olsztyn (Poland). Dept. of Lake Fisheries

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Evaluation of changes in the abundance of three catchable crayfish species in Lake Pobledzie (northern Poland) von Krzywosz, T. (Inland Fisheries Institute, Olsztyn (Poland). Dept. of Lake Fisheries), E-mail: krzywoszt@infish.com.pl

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Ichthyofauna of the rivers in the Romincka Forest (Pregola River basin, northeastern Poland) von Bialokoz, W, Chybowski, L, Krzywosz, T, Traczuk, P.,Inland Fisheries Institute, Olsztyn (Poland). Dept. of Lake Fisheries

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The impact of raised water level on a winter anoxia lake on the population of narrow-clawed crayfish Astacus leptodactylus (Esch.) von Krzywosz, T, Traczuk, P.,Inland Fisheries Institute, Olsztyn (Poland). Dept. of Lake Fisheries, Ulikowski, D.,Inland Fisheries Institute, Olsztyn (Poland). Experimental Fish Hatchery Dgal

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Impact of food supply frequency and the number of shelters on the growth and survival of juvenile narrow-clawed crayfish (Astacus leptodactylus Esch.) von Ulikowski, D.,Inland Fisheries Institute, Olsztyn (Poland). Experimental Fish Hatchery Dgal, Krzywosz, T.,Inland Fisheries Institute, Olsztyn (Poland). Dept. of Lake Fisheries

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The impact of water temperature on selected rearing indices of juvenile whitefish (Coregonus lavaretus (L.)) in a recirculating system von Szczepkowski, M., E-mail: szczepkowski@infish.com.pl, Szczepkowska, B. (Inland Fisheries Institute, Olsztyn (Poland). Experimental Fish Hatchery Dgal), Krzywosz, T. (Inland Fisheries Institute, Olsztyn (Poland). Dept. of Lake Fisheries)

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Estimated population abundance of catchable signal crayfish (Pacifastacus leniusculus (Dana)) and spiny-cheek crayfish (Orconectes limosus (Raf.)) in Lake Pobledzie (northeastern P... von Krzywosz T., E-mail: krzywoszt@infish.com.pl, Ulikowski, D, Traczuk, P. (Inland Fisheries Institute, Olsztyn (Poland). Dept. of Lake Fisheries)

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Ichthyofauna of the dystrophic Lake Smolak (northern Poland) in light of selected physical and chemical water conditions thirty years after the conclusion of liming and fertilizati... von Hutorowicz, A., E-mail: ahut@infish.com.pl, Kapusta, A, Krzywosz, T, Hutorowicz, J. (Inland Fisheries Institute, Olsztyn (Poland). Dept. of Hydrobiology)

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The results of tagging experiments with tench, Tinca tinca (Linnaeus,1758), in lakes Kisajno and Tajty von Bryliński, Edmund, Brylińska, Maria, Krzywosz, Tadeusz

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