Published in Scientific Papers. Series D. Animal Science, Vol. LXVII, Issue 2
Written by Nikolina ILIEVA, Diana KIRIN
The study presents the first data on the biodiversity of helminths and helminth communities of European perch (Perca fluviatilis Linnaeus, 1758) from the freshwater ecosystem of the anthropogenically affected protected area Mandra-Poda. Thirty specimens of perch were examined by the method of complete helminthological study. The infection characteristics and the dominant structure of the helminth communities were determined. Helminth communities were analyzed at two levels: infracommunities and component communities. Basic biotic indices are presented. The core species in the helminth communities of perch is Eustrongylides excises Jägerskiöld, 1909 larvae (Nematoda; Dioctophymatidae) (P% = 60; MI = 7.12; 1-51 specimens). New data on the content of heavy metals and their circulation in the system water-sediment-perch and its helminth Eustrongylides excisus have been established. New data on the bioindicator significance of helminths and helminth communities of European perch are discussed.
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