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On fecundity of North Sea mackerel (Scomber scombrus)

Borges, Maria Fatima; Iversen, Svein A.; Dahl, Oddvar
Working paper
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CM_1980_H_47.pdf (1.197Mb)
URI
http://hdl.handle.net/11250/103601
Date
1980
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  • ICES CM documents authored by IMR scientists (1949-2011) [3138]
Original version
This report is not to be quoted without prior consultation with the General Secretary.  
Abstract
This paper presents a preliminary analysis of the fecundity-length

relationship of the North Sea mackerel. The relationship

was compared to that of the Western mackerel stock (LOCKWOOD,1978) by

an analysis of covariance between the regression lines.

Further analysis is necessary before any decisive conclusion

can be drawn. The results, however, seem to demonstrate a lower

fecundity in the North Sea mackerel (140 000 - 360 000 eggs) as

compared to the Western mackerel (400 000 - 990 000 eggs) at

the same range of length.

A comparison of regression lines of fecundity-length for the

North Sea and the Western area shows a significant difference

between the two lines.
Publisher
ICES
Series
ICES CM Documents;1980/H:47

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