Blar i ICES CM documents authored by IMR scientists (1949-2011) på tittel
Viser treff 977-996 av 3138
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On subjectivity in the judging of acoustic records; comparison of degree of homogenity in allocation of echo values by different teams
(ICES CM Documents;1993/B:21, Working paper, 1993)On four fish abundance estimation surveys in the Barents Sea, january-february 1993, the acoustic records were judged by two independent teams. We have analyzed the degree of homogenity in allocation of echo values to ... -
On the abnormal hydrographic conditions in the European Arctic durig the 1970`s
(ICES CM Documents;1984/GEN:3, Working paper, 1984) -
On the application of the echointegration method
(ICES CM documents;1983/B:19, Working paper, 1983)The echo integration method used by the Institute of Marine Research is described. The model which are used to convert acoustic abundance indices into fish densities using length and species dependant conversion factors, ... -
On the depth dependence of fish target strength
(ICES CM Documents;1997/FF:7, Working paper, 1997)Data on the depth dependence of the target strength of live kokanee (Oncorhynchus nerka), a physostome, at 50 kHz (Mukai, T., and Iida, K., ICES J. mar. Sci., 53: 245-248 (1996)) have been reexamined. In the cited study, ... -
On the drift of sprat eggs and fry in the Skagerak and the north-eastern part of the North Sea
(ICES CM Documents;1961/154, Working paper, 1961) -
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 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 ...