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Does fish reproduction and metabolic activity influence metal levels in fish intestinal parasites, acanthocephalans, during fish spawning and post-spawning period? (CROSBI ID 205301)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Filipović Marijić, Vlatka ; Vardić Smrzlić, Irena ; Raspor, Biserka Does fish reproduction and metabolic activity influence metal levels in fish intestinal parasites, acanthocephalans, during fish spawning and post-spawning period? // Chemosphere, 112 (2014), 449-455. doi: 10.1016/j.chemosphere.2014.04.086

Podaci o odgovornosti

Filipović Marijić, Vlatka ; Vardić Smrzlić, Irena ; Raspor, Biserka

engleski

Does fish reproduction and metabolic activity influence metal levels in fish intestinal parasites, acanthocephalans, during fish spawning and post-spawning period?

Application of fish intestinal parasites, acanthocephalans, as bioindicators in metal exposure assessment usually involves estimation of their metal levels and bioconcentration factors. Metal levels in parasite final host, fishes, are influenced by fish physiology but there is no data for acanthocephalan metal levels. Gastrointestinal Zn, Fe, Mn, Cd, Ag levels in European chub (Squalius cephalus L.) from the Sava River were significantly higher during chub spawning (April/May) compared to the post-spawning period (September). In acanthocephalans (Pomphorynchus laevis and Acanthocephalus anguillae) significantly higher metal levels during chub spawning were observed only for Zn in P. laevis. Bioconcentration factors were twice as high for Fe, Mn, Ag, Pb in the post-spawning period, probably as a consequence of lower gastrointestinal metal levels in fish rather than metal exposure. Therefore, bioconcentration factors should be interpreted with caution, due to their possible variability in relation to fish physiology. In addition, gastrointestinal Cu, Cd and Pb levels were lower in infected than uninfected chub, indicating that metal variability in fishes might be affected by the presence of acanthocephalans.

European chub; Pomphorynchus laevis; Acanthocephalus anguillae; essential and toxic metals; bioconcentration factors; fish physiology

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Podaci o izdanju

112

2014.

449-455

objavljeno

0045-6535

10.1016/j.chemosphere.2014.04.086

Povezanost rada

Geologija, Biologija

Poveznice
Indeksiranost