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Methodological issues affecting the study of fish parasites. II. Sampling method affects ectoparasite studies

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    0462476 - ÚBO 2017 RIV DE eng J - Článek v odborném periodiku
    Kvach, Yuriy - Ondračková, Markéta - Janáč, Michal - Jurajda, Pavel
    Methodological issues affecting the study of fish parasites. II. Sampling method affects ectoparasite studies.
    Diseases of Aquatic Organisms. Roč. 121, č. 1 (2016), s. 59-66. ISSN 0177-5103. E-ISSN 1616-1580
    Grant CEP: GA ČR GBP505/12/G112
    Institucionální podpora: RVO:68081766
    Klíčová slova: Parasite community * Fish sampling method * Methodology * Parasitological examination * Rutilus rutilus
    Kód oboru RIV: EG - Zoologie
    Impakt faktor: 1.549, rok: 2016

    In this study, we assessed the impact of sampling method on the results of fish ectoparasite studies. Common roach Rutilus rutilus were sampled from the same gravel pit in the River Dyje flood plain (Czech Republic) using 3 different sampling methods, i.e. electrofishing, beach seining and gill-netting, and were examined for ectoparasites. Not only did fish caught by electrofishing have more of the most abundant parasites (Trichodina spp., Gyrodactylus spp.) than those caught by beach seining or gill-netting, they also had relatively rich parasite infracommunities,
    resulting in a significantly different assemblage composition, presumably as parasites were lost through handling and ‘manipulation’ in the net. Based on this, we recommend electrofishing as the most suitable method to sample fish for parasite community studies, as data from fish caught with gill-nets and beach seines will provide a biased picture of the ectoparasite community, underestimating ectoparasite abundance and infracommunity species richness.
    Trvalý link: http://hdl.handle.net/11104/0261939

     
     
Počet záznamů: 1  

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