Contrasting trends in two condition indices: bathymetric and spatial variation in autumn condition of Icelandic cod Gadus morhua

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Abstract:

Bathymetric and regional variation in condition of Icelandic cod Gadus morhua in autumn is compared to that previously observed in spring. Once again, contradicting patterns in the hepato-somatic index and a morphometric index of fish condition were observed. The relevance of this persistent spatial variation in condition in relation to emerging evidence of behavioural types is discussed.

Keywords: body condition; depth variation; geographic variation; liver condition

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1095-8649.2009.02273.x

Affiliations: Institute of Biology, University of Iceland, Stugata 7, 101 Reykjavik, Iceland

Publication date: July 1, 2009

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