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On the Estimation of Cod and Haddock discarded by Trawlers using different Chafers
(ICES CM Documents;1965/167, Working paper, 1965) -
On the formation of the first winter zone in blue whiting otoliths.
(ICES CM Documents;1979/H:7, Working paper, 1979)Otolithes of juvenile blue whiting when recruiting to the industrial fishery in the Norwegian Deep in early autumn (August-October 1970-72) could be divided into two groups, without or with a very insignificant hyaline ... -
On the frequency dependence of target strength of mature herring
(ICES CM Documents;1992/B:10, Working paper, 1992)Mature herring (Clupea harengus), hibernating in Ofotfjord in December 1991, was measured simultaneously at each of three frequencies: 18, 38, and 120 kHz. Measurements of the mean volume backscattering coefficient were ... -
On the geographical distribution of arctic cod in relation to the distribution of bottom temperatures in the Barents Sea, 1977-1984
(ICES CM documents, Working paper, 1984)The results from acoustic-trawl surveys in January-March were analysed together with observations of bottom temperatures at the same cruises. Distributions of fish abundance for each age group of cod on temperature were ... -
On the herring larvae of Norwegian spring spawners : Effect of time and location of spawning on year-class strength in the period 1959-1965
(ICES CM Documents;1968/Sy:6, Working paper, 1968) -
On the identification of recruit spawners in the Norwegian herring stock
(ICES CM Documents;1965/153, Working paper, 1965) -
On the internal bacterial flora of the European lobster, Homarus vulgaris L., and its susceptibility of gaffkaemia
(ICES CM Documents;1971/K:21, Working paper, 1971) -
On the interplay of environmental changes and fishing pressure in exploited fish stocks
(ICES CM documents;2010/M:15, Working paper, 2010)Fish in many exploited stocks grow faster and mature earlier at either larger or smaller sizes in comparison to pre-exploitation periods. These changes can be driven by both genetic and phenotypic responses. At the same ... -
On the interpretation of the central zone in otoliths of capelin from the Barents Sea
(ICES CM Documents;1977/H:37, Working paper, 1977)The present paper deals with biological aspects associated to the width of the central zone in capelin otoliths. It is found that the central zone represent the 0-group growth even in cases when the radius of the zone is ... -
On the mechanisms behind salinity anomaly signals of the northern North Atlantic
(ICES CM documents, Working paper, 2001) -
On the Norwegian Long-Line Fishery for Cod in Greenland Waters
(ICES CM Documents;, Working paper, 1953) -
On the origin of escaped farmed salmon
(Journal article, 2013-09) -
On the possibility of estimating year-class strength by measuring echo-abundance of 0-group fish
(ICES CM Documents;1964/9, Working paper, 1964) -
On the problem of determining the relationship between integrated echo intensity and fish density
(ICES CM documents, Working paper, 1975) -
On the relation between ‘true’ numbers of Northeast Arctic cod and VPA- or survey-based abundance estimates
(ICES CM documents, Working paper, 2001)When assessing Northeast Arctic cod it is assumed that the estimates of numbers at age generated by a converged VPA type analysis are equal, on average, to the true numbers at age. Based on fishery independent survey ... -
On the shape, size and density of North Sea herring schools as mapped by echo integration and accurate sonar projection
(ICES CM Documents;1993/B:16, Working paper, 1993)The shape and horizontal extent of herring schools in the North Sea have been mapped by a naval sonar (SIMRAD SA 950) with narrow horizontal beam width. The density of schools that were passed over was measured by the ... -
On the site-specific role of the central Norwegian shelf for the recruitmen strategy of the Norwegian spring spawning herring
(ICES CM documents, Working paper, 1998) -
On the temperature variation in the bottom water of the northern North Sea
(ICES CM Documents;1971/C:33, Working paper, 1971) -
Operating experiences with a modular instrumentation system for measuring current speed, direction and temperature
(ICES CM Documents;1983/C:10, Working paper, 1983) -
Operating Experiences with an ultrasonic current meter
(ICES CM Documents;1974/C:29, Working paper, 1974)