CM_1971_H_02.pdf (1.005Mb)

Despite a relatively large sampling effort, no stock specific estimates of reproductive rates have actually been available for the Greenland Sea hooded seal stock in

Because the catches of herring in these areas mainly- consist of adult herring~ the figures should be fairly representative for the total explo:itation of the

Only a rather small proportion of the landings in the Northeast Atlantic come from outer shelf and slope species (Fig.. The landings are given in Fig. Unfortunately, recent

With the present stock size estimates, this would mean a tag density of about l tag per 10 tonnes of herring, Because of the uncertainties which exist as to

Recruitment estimates were only available from the VPA.. During the last years, the catches, United Kingdom catch per effort, and the spawning stock biomass

VS counts of herring caught near Rligen were reported by Biester (pers.com.). One VS sample from the Skagerrak were available from Norwegian purse seine

The abundance indices in the quarter 1 survey were considered to more likely reflect stock trends in recent years, because of suspected changes in catchability in the quarter 3

Although the total catch of adult herring (including the summer and.. Total catch in thousand metric tons of adult Norwegian spring spawning herring 1950-197 1.