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    Wyświetlanie 1-7 z 7
    Tytuł:
    Role of anglers in spreading/stopping of fish diseases and fish parasites
    Autorzy:
    Wlasow, T.
    Bacal, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/6679.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    angler
    spreading
    stopping
    fish
    animal disease
    parasite
    animal parasite
    health management
    European Union
    directive
    veterinary medicine
    Źródło:
    Annals of Parasitology; 2016, 62, Suppl.
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fish monogeneans from a shallow, eutrophic Oswin Lake in Poland
    Autorzy:
    Mierzejewska, K
    Wlasow, T.
    Dzika, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/838935.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    lake
    parasite
    community composition
    fish
    parasite community
    Polska
    community structure
    eutrophic lake
    Monogenea
    eutrophication
    Lake Oswin
    Opis:
    A study was carried out in a shallow, eutrophic Oświn Lake, within Seven Islands Reserve (north-eastern Poland), in order to determine the infection of fish with monogeneans as sensitive indicators of water quality. This paper presents comparative analysis of the occurrence of Monogenea in fishes from two, distinctly separated pools of the lake, differing in environmental conditions. The impact of fish size and sampling season on the infection parameters was also analyzed. Material and methods. In 1998 and 1999, a total of 1091 fish representing 8 dominant species were examined. Samples were collected four times a year (in May, July, August, and October) simultaneously from the eastern and western parts of the lake. Results. 16 species of Monogenea (and some unidentified specimeus) occurred in the fish examined, most of them from the Dactylogyridae family: Dactylogyrus sphyrna, D. auriculatus, D. intermedius, D. anchoratus, D. falcatus, D. tincae, D. wunderi, D. zandti, D. difformis, D. nanus, D. distinguendus, D. crucifer, D. caballeroi. Furthermore, Tetraonchus monenteron (Tetraonchidae), Gyrodactylus elegans (Gyrodactylidae), and Paradiplozoon megan (Diplozoidae) were detected. Monogenea occurred abundantly on the gills of pike, roach, rudd, white bream, carp bream and crucian carp, but rather sporadically in tench and perch. The highest species variety and diversity of monogenean guilds were detected in carp bream and roach. It was proved that D. crucifer and D. difformis were significantly more abundant in the western pool compared to the eastern one. Infection of fish with Dactylogyridae was season-dependent, contrary to the infection of pike with T. monenteron. Intensity of infection of white bream with D. sphyrna and roach with D. crucifer increased with fish body length; such a relationship did not appear for the other monogeneans and their hosts. Conclusion. Presence of common Monogenea in the fish examined, lack of rare species, poor diversity of monogenean guilds and relatively low infection rate could be connected with the low stability of the lake environment. Location-dependent occurrence of D. crucifer and D. difformis indicated that the exchange between fish groups from the eastern and western parts of the lake is limited.
    Źródło:
    Annals of Parasitology; 2006, 52, 1
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fish monogeneans from a shallow, eutrophic Oswin Lake in Poland
    Autorzy:
    Mierzejewska, K.
    Własow, T.
    Dzika, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/2144087.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    lake
    parasite
    community composition
    fish
    parasite community
    Polska
    community structure
    eutrophic lake
    Monogenea
    eutrophication
    Lake Oswin
    Opis:
    A study was carried out in a shallow, eutrophic Oświn Lake, within Seven Islands Reserve (north-eastern Poland), in order to determine the infection of fish with monogeneans as sensitive indicators of water quality. This paper presents comparative analysis of the occurrence of Monogenea in fishes from two, distinctly separated pools of the lake, differing in environmental conditions. The impact of fish size and sampling season on the infection parameters was also analyzed. Material and methods. In 1998 and 1999, a total of 1091 fish representing 8 dominant species were examined. Samples were collected four times a year (in May, July, August, and October) simultaneously from the eastern and western parts of the lake. Results. 16 species of Monogenea (and some unidentified specimeus) occurred in the fish examined, most of them from the Dactylogyridae family: Dactylogyrus sphyrna, D. auriculatus, D. intermedius, D. anchoratus, D. falcatus, D. tincae, D. wunderi, D. zandti, D. difformis, D. nanus, D. distinguendus, D. crucifer, D. caballeroi. Furthermore, Tetraonchus monenteron (Tetraonchidae), Gyrodactylus elegans (Gyrodactylidae), and Paradiplozoon megan (Diplozoidae) were detected. Monogenea occurred abundantly on the gills of pike, roach, rudd, white bream, carp bream and crucian carp, but rather sporadically in tench and perch. The highest species variety and diversity of monogenean guilds were detected in carp bream and roach. It was proved that D. crucifer and D. difformis were significantly more abundant in the western pool compared to the eastern one. Infection of fish with Dactylogyridae was season-dependent, contrary to the infection of pike with T. monenteron. Intensity of infection of white bream with D. sphyrna and roach with D. crucifer increased with fish body length; such a relationship did not appear for the other monogeneans and their hosts. Conclusion. Presence of common Monogenea in the fish examined, lack of rare species, poor diversity of monogenean guilds and relatively low infection rate could be connected with the low stability of the lake environment. Location-dependent occurrence of D. crucifer and D. difformis indicated that the exchange between fish groups from the eastern and western parts of the lake is limited.
    Źródło:
    Wiadomości Parazytologiczne; 2006, 52, 1; 37-47
    0043-5163
    Pojawia się w:
    Wiadomości Parazytologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The occurrence of parasites in cormorants prey fish from colony Katy Rybackie - Vistula Lagoon, Poland
    Autorzy:
    Wlasow, T.
    Gomulka, P.
    Martyniak, A.
    Hliwa, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/838089.pdf
    Data publikacji:
    1998
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    Katy Rybackie colony
    parasite
    zooplankton
    fish
    Polska
    Vistula Lagoon
    Cormorant
    fish community
    Źródło:
    Annals of Parasitology; 1998, 44, 3
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ruffe Gymnocephalus cernua L. the main paratenic host of the nematode Anguillicola crassus in Vistula Lagoon waters
    Autorzy:
    Wlasow, T.
    Gomulka, P.
    Martyniak, A.
    Hliwa, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/840555.pdf
    Data publikacji:
    1998
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    ruff
    Anguillicola crassus
    Gymnocephalus cernua
    Vistula Lagoon
    water
    nematode
    host
    Źródło:
    Annals of Parasitology; 1998, 44, 3
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The parasite fauna of fish from eutrophic Oswin Lake at Seven Islands reserve
    Autorzy:
    Wlasow, T.
    Gomulka, P.
    Drozd, D.
    Mierzejewska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/836596.pdf
    Data publikacji:
    1998
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    Triaenophorus nodulosus
    fish
    Polska
    tench
    roach
    Ergasilus sieboldi
    Wegorzewo
    parasite
    perch
    rudd
    crucian
    pike
    bream
    Lake Oswin
    habitat condition
    Źródło:
    Annals of Parasitology; 1998, 44, 3
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Metal concentrations in selected organs of crayfish – Orconectes limosus and Pacifastacus leniusculus from Mazurian Lakes
    Stężenie metali w wybranych narządach raków – Orconectes limosus i Pacifastacus leniusculus z jezior mazurskich
    Autorzy:
    Protasowicki, M.
    Wlasow, T.
    Rajkowska, M.
    Polna, M.
    Bernad, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/16077.pdf
    Data publikacji:
    2013
    Wydawca:
    Uniwersytet Warmińsko-Mazurski w Olsztynie / Polskie Towarzystwo Magnezologiczne im. Prof. Juliana Aleksandrowicza
    Opis:
    Crayfish accumulate trace metals, which is why they often serve as environmental indicators. Among heavy metals, Hg, Cd and Pb are considered toxic substances, while Fe, Zn, Cu, Cr, Ni, Mn, V, Al and Li are involved in vital functions, which makes them essential elements in animal organisms. The study objective was to determine concentrations of the above metals in the abdominal muscles, hepatopancreas and exoskeleton of spinycheek crayfish (Orconectes limosus Raff.) and signal crayfish (Pacifastacus leniusculus Dana) from Dga³ Wielki Lake and Pob³êdzie Lake in the Mazurian Lake District, Poland. The analyses were carried out with the use of the following methods: CV AAS (Hg), GF AAS (Cd, Pb) and ICP-AES (Al, Cr, Cu, Fe, Li, Mn, Ni, V, Zn) after wet digestion in HNO3 and HClO4 concentrated acid mixture. Regarding mean concentrations (mg kg-1 wet weight) in crayfish, metals formed the following order: Al (14.8-123.4) > Mn (0.26-91.3) > Fe (0.54-81.1) > Zn (6.80-51.91) > Cu (1.21-4.34) > Ni (0-0.782) > Cr (0.032-0.606) > V (0-0.245) > Li (0.011-0.215) > Pb (0.018- 0.079) > Hg (0.004-0.045) > Cd (0.001-0.017).Metal concentrations in crayfish organs were varied, and for different metals they decreased in different order: Al, Mn, Cu, Ni, Cr, V and Li – exoskeleton > hepatopancreas > muscles; Zn and Hg – hepatopancreas > muscles > exoskeleton; Fe – hepatopancreas > exoskeleton > muscles, while for lead and cadmium no overall correlation was observed. The comparison of metal concentrations in the organs of spinycheek crayfish from Dga³ Wielki Lake and Pob³êdzie Lake did not prove any statistically significant discrepancies. Also, some minor interspecies differences in the metal content proved insignificant. According to the European Union regulations, concentrations of toxic heavy metals (Hg, Cd, Pb) in the muscles of both species of the tested crayfish were significantly below the maximum levels.
    Źródło:
    Journal of Elementology; 2013, 18, 4
    1644-2296
    Pojawia się w:
    Journal of Elementology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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