Browsing Published in cooperation with others by Subject "spawning stock"
Now showing items 21-27 of 27
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Report of the Working Group on the Assessment of Demersal Stocks in the North Sea and Skagerrak [ICES Headquarters, Copenhagen, 7- 15 October, 1996]
(ICES CM Documents;1997/Assess:6, Working paper, 1997) -
Review of the handling of predation data and data on eventual changes in weight at age and age at first maturity by different assessment working groups
(ICES CM Documents;1984/Assess:22, Working paper, 1984) -
Spawning and trends in spawning stock size of the North Sea mackerel during the period 1973-1980
(ICES CM Documents;1981/H:16, Working paper, 1981)A declinining trend in the size of the spawning stock of North Sea mackerel is described by data obtained from egg surveys. During the period 1973-1980 the spawning stock size was reduced by 60-70%. A similar stock development ... -
Survival of tagged capelin (Mallotus villosus, Müller) and estimates of the 1974 spawning population in the Barents Sea from tag returns
(ICES CM Documents;1975/H:49, Working paper, 1975) -
Sustainable yield estimates of the Barents sea capelig stock
(ICES CM Documents;1982/H:45, Working paper, 1982)The Barents Sea capelin suffer mass mortality after spawning. A model is developed to calculate the biomass of springspawners using previous autumn acoustic survey estimates of the total stock as input data. It is assumed ... -
The egg production and spawning stock size of the North Sea mackerel stock in 1990
(ICES CM Documents;1991/H:11, Working paper, 1991)During the period 12 March to 20 July 1990 the spawning area of the North Sea mackerel was investigated by research vessels from the Netherlands, Denmark and Norway. Based on the plankton samples and temperature observations ... -
The relationship between spawning stock and recruitment for Atlantic cod stocks
(ICES CM Documents;1996/G:15, Working paper, 1996)The relationship between spawning stock biomass and recruitment in Atlantic cod stocks is investigated by ranking the SSB values according to size and applying a moving average of ten points. The resulting averages are ...