Fecundity of Baltic cod: temporal and spatial variation

Potential and relative potential fecundity of 701 cod Gadus morhua caught in the Bornholm Basin (ICES Sub-division 25) during 1987–1996 and 106 from the Gdansk Deep (ICES Sub-division 26) in 1995 and 1996 varied significantly between years but neither between different spawning grounds nor between d...

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Bibliographic Details
Published in:Journal of Fish Biology
Main Authors: Kraus, Gerd, Müller, A., Trella, K., Köster, Friedrich
Format: Article in Journal/Newspaper
Language:English
Published: Wiley-Blackwell / The Fisheries Society of the British Isles 2000
Subjects:
Gadus morhua
Online Access:https://oceanrep.geomar.de/id/eprint/7247/
https://oceanrep.geomar.de/id/eprint/7247/1/j.1095-8649.2000.tb02146.x.pdf
https://doi.org/10.1111/j.1095-8649.2000.tb02146.x
Description
Summary:Potential and relative potential fecundity of 701 cod Gadus morhua caught in the Bornholm Basin (ICES Sub-division 25) during 1987–1996 and 106 from the Gdansk Deep (ICES Sub-division 26) in 1995 and 1996 varied significantly between years but neither between different spawning grounds nor between different sampling months within one spawning season. Growth and water temperature are factors identified to influence the mean relative fecundity explaining 66% of the variance between years.

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