Interannual variability in abundance and length of young coastal cod in the subtidal zone

The year‐to‐year variability of total length and abundance of young cod Gadus morhua in the littoral zone of the Norwegian Skagerrak coast was dominant over spatial variability. The 0 year group cod was slightly larger in exposed areas than in protected areas. Contrary to expectations, the 0 year gr...

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Veröffentlicht in:Journal of fish biology 2006-03, Vol.68 (3), p.734-746
Hauptverfasser: Lekve, K., Enersen, K., Enersen, S. E., Gjøsæter, J., Stenseth, N. Chr
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Sprache:eng
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Zusammenfassung:The year‐to‐year variability of total length and abundance of young cod Gadus morhua in the littoral zone of the Norwegian Skagerrak coast was dominant over spatial variability. The 0 year group cod was slightly larger in exposed areas than in protected areas. Contrary to expectations, the 0 year group cod was less abundant in the protected inner parts of the fjords. Although the natural variability was very large, exposed areas (the skerries) seemed to be the better area for the 0 year group cod, while for the 1 year group cod, no differences in abundance or growth could be identified indicating that they had adopted a mature pattern of movement, utilizing the entire fjord for feeding. Available habitat data indicated that the availability of shelter was a potential cause for the distributional pattern.
ISSN:0022-1112
1095-8649
DOI:10.1111/j.0022-1112.2006.00953.x