Browsing ICES CM documents authored by IMR scientists (1949-2011) by Title
Now showing items 1046-1065 of 3138
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Positive relationships between bottom trawl and acoustic data
(ICES CM documents, Working paper, 2004)Demersal fish stock biomass is usually estimated using commercial landings data, ‘tuned’ by various types of survey data, usually trawl. When collecting fish data by trawl it is only possible to take relatively small numbers ... -
Possibilities and limitations of extensive aquaculture of marine fish: evaluation of current results with Atlantic cod and further prospects
(ICES CM documents, Working paper, 1998) -
The potential importance of the paternal contribution to the ‘Stock Reproductive Potential’ of North-East Arctic cod (Gadus morhua)
(ICES CM documents, Working paper, 2005)Over the years there has been a growing interest in determining the real stock reproductive potential (SRP) as a means of understanding the dynamics of a fish population. For the purposes of assessment the spawning stock ... -
Potential sources of unaccounted mortality in the fishery for Norwegian spring spawning herring
(ICES CM documents, Working paper, 2002)The stock of Norwegian spring spawning herring (NSSH) is managed and fished by 5 different parties. These are the EU, Faroe Islands, Iceland, Norway and Russia. The most common gears are purse seine and pelagic trawl. The ... -
Predation by Benguela hake (Merluccius polli) on commercially exploited shrimps (Parapenaeus longirostris and Aristeus varidens) in Angolan waters.
(ICES CM documents, Working paper, 1997) -
Predation of oyster larvae by Aurelia aurita in a Norwegian oyster pond
(ICES CM Documents;1986/F:21, Working paper, 1986)In the norwegian oyster spatting ponds several factors may influence the spat production. During a basic, general study in a pond in 1983-84, Aurelia aurita was demonstrated to be a heavy predator on pelagic oyster ... -
Predation on fish larvae as a regulatory force illustrated in enclosure experiments with large groups of larvae
(ICES CM Documents;1983/L:39, Working paper, 1983) -
Predation on herring (Clupea harengus) eggs and young larvae.
(ICES CM Documents;1980/H:33, Working paper, 1980)The study presented here is part of a greater project dealing with recruitment studies of a local herring stock in Lindåspollene north of Bergen. Fish predators on herring spawn, mainly cod and haddock, were trapped ... -
Predation on the eggs of Norwegian spring-spawning herring at a spawning ground outside the westcoast of Norway in 1981
(ICES CM Documents;1985/H:55, Working paper, 1985)Predation on the eggs of demersal spawners has been reported several times, and findings of haddock feeding on capelin or herring eggs is a well known phenomenon. A spawning ground where spawning has been detected through ... -
Predicting recruitment of 0-group gadoids in the Barents Sea - critical interaction between models and observations
(ICES CM documents, Working paper, 2007)The most important gadoid fish stocks of the Barents Sea spawn along the coast of Norway. The eggs, larvae and juveniles are transported northwards with the oceanic coastal currents from the spawning grounds towards their ... -
Prediction of habitats on a fishing bank off Northern Norway using a combination of multivariate analysis and GIS classification
(ICES CM documents;2008/G:09, Working paper, 2008) -
Preliminary data on feeding and condition of Barents Sea harp seals (Phoca Groenlandica) throughout the year
(ICES CM Documents;1992/N:5, Working paper, 1992)In order to evaluate the ecological role of the most abundant seal species in the Barents Sea, the harp seal Phoca groenlandica, field studies have been carried out in September 1990, in February, March/April, June and ... -
Preliminary feeding experiments with dry pelleted feed for cod fry
(ICES CM Documents;1983/F:25, Working paper, 1983) -
Preliminary report from a comparative study of the diet of four gadoid fishes in a fjord of western Norway
(ICES CM Documents;1986/G:71, Working paper, 1986)As a contribution to a research program on sea ranching of cod in a fjord in western Norway, a dietary analysis of the main gadoid species has been conducted. The main aim of the analysis has been to identify potential ... -
Preliminary report from a study of species composition, size composition and distribution of the fish in a fjord of western Norway based on regularly conducted experimental fishing and catch statistics during one year
(ICES CM Documents;1986/G:70, Working paper, 1986)This paper is a contribution to the research program investigating the possibility of building up the local cod population in Masfjorden, a fjord in the westen Norway, by releasing large numbers of artificially produced ... -
Preliminary report from the sea-going workshop in Norway June 1993 on intercomparison and evaluation of methods for sampling and determination of zooplankton distribution and biomass
(ICES CM Documents;1993/L:45, Working paper, 1993)A sea-going workshop was arranged from 2 to 13 June 1993 in Storfjorden at Møre on the west coast of Norway. The workshop was a two-ship operation involving the Norwegian R/V "Johan Hjort" and the German R/V "A.V. Humboldt". ... -
Preliminary report of investigations of cod-eggs and larvae in the Lofoten area in the years 1968-1972
(ICES CM Documents;1974/F:37, Working paper, 1974) -
Preliminary Report of joint Icelandic-Norwegian investigations in the area between Iceland and East Greenland in August 1970
(ICES CM Documents;1970/H:33, Working paper, 1970) -
Preliminary Report of the 0-group fish survey in the Barents Sea and adjacent waters in August-September 1968
(ICES CM Documents;1968/F:33, Working paper, 1968) -
Preliminary report of the assessment group on North Sea herring
(ICES CM Documents;1969/H:4, Working paper, 1969)