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Unusual stable isotope fractionation patterns observed for fish host-parasite trophic relationships

Lookup NU author(s): John Pinnegar, Professor Nick Polunin

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Abstract

Trophic relationships between four taxa of fish parasite (Cestoda, Nematoda, Isopoda, Copepoda) and their hosts (Gasterosteus aculeatus, Merlangius merlangus, Boops boops, Platichthys flesus) were investigated using stable isotopes of carbon and nitrogen. δ15N differences between parasite and host were unlike those conventionally observed among consumers and their diets. In no case were parasites enriched in 15N with respect to the host organism; endoparasites were significantly and consistently depleted. In no case were parasites enriched in 15N with respect to the host organism; endoparasites were significantly and consistently depleted. © 2001 The Fisheries Society of the British Isles.

Publication metadata

Author(s): Pinnegar JK, Campbell N, Polunin NVC

Publication type: Article

Publication status: Published

Journal: Journal of Fish Biology

Year: 2001

Volume: 59

Issue: 3

Pages: 494-503

ISSN (print): 0022-1112

ISSN (electronic): 1095-8649

Publisher: Wiley-Blackwell Publishing Ltd.

URL: http://dx.doi.org/10.1006/jfbi.2001.1660

DOI: 10.1006/jfbi.2001.1660

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