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Variation in growth and recruitment of Atlantic cod (Gadus morhua) off Greenland during the second half of the twentieth century


, : Variation in growth and recruitment of Atlantic cod (Gadus morhua) off Greenland during the second half of the twentieth century. Journal of Northwest Atlantic Fishery Science (25): 161-170

The variation in length-at-ages 4 to 5 years for Atlantic cod (Gadus morhua) off Greenland was analysed based on a time series of samples taken from commercial catches comprising 190 000 individual age determinations. Multiple linear regressions revealed significant declines in size for age groups 4 and 5 since the mid-1950s, by 10 and 5 cm, respectively. Growth models accounting for temperature, fishing mortality and stock abundance effects were constructed.

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