Browsing Brage IMR by Subject "vekst"
Now showing items 41-60 of 90
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Implications of fisheries-induced evolution for stock rebuilding and recovery
(ICES CM documents;2010/M:29, Working paper, 2010)Fishing-induced evolution has the potential to change life-history and other characters of exploited stocks. Here we study the rebuilding and recovery of an exploited stock with en individual-based eco-genetic model ... -
Increased growth rate in Atlantic salmon parr by using a two-colour diet
(ICES CM Documents;1985/F:17, Working paper, 1985)Fishes hunting by sight are known to pay a cost of confusion when faced with high densities of uniform food particles. In such instances, awareness of other stimuli reduces feeding efficiency such that the fishes prefer ... -
Individual growth rate and age at first sexual maturity in atlantic salmon
(ICES CM Documents;1977/E:60, Working paper, 1977) -
Intraspecific variations in size, bouyancy and growth of eggs and early larvae of arcto-norwegian cod, Gadus morhua L., due to parental and environmental effects
(ICES CM Documents;1970/F:28, Working paper, 1970) -
Lengde og vekst av håbrannen i Vest-Atlanteren
(Fisken og havet;1963 - Nr. 1, Journal article, 1963) -
Length structure of deep-pelagic fishes sheds new light to their life histories
(ICES CM documents;2008/C:14, Working paper, 2008)Here we use a new technique to study life history variation in deep-pelagic fishes from a midocean ridge system. Shape of length distribution in a population is to a significant extent determined by the degree to which ... -
Litt om hvittingen
(Fisken og havet;1963 - Nr. 1, Journal article, 1963)Length, age, and growth of the whiting in different waters are compared. The mean lengths of the 1-group fish from the various areas are approximately the same with the exception of the Danish Waters and Fladen Ground-Faroes ... -
Mass-production of cod fry (Gadus morhua L.) in a large basin in western Norway - a new approach
(ICES CM Documents;1984/F:16, Working paper, 1984)In February 1984, the fresh water in a small lake was replaced by seawater pumped from 40 m depth. Four-day old cod larvae were transferred on 11 and 26 April into this seawater basin, which was 5 m above sea level with ... -
Maturity changes in Norwegian spring-spawning herring Clupea harengus: compensatory or evolutionary responses?
(Journal article; Peer reviewed, 2004-05-19)The stock of Norwegian spring-spawning herring Clupea harengus collapsed to a state of commercial extinction in the 1960s, probably due to both overexploitation and unfavourable climatic conditions. Since the 1980s, the ... -
Measurements of condition and growth of cod larvae reared in mesocosms: individual variability as a function of environmental condition or genetic inheritance
(ICES CM Documents;2001/V:8, Working paper, 2001)Size, dry weight and RNA/DNA measurements of 3876 cod larvae from 26 different families of recruit and repeat spawners reared in two mesocosms ( 2500m³ and 4400m³) under natural conditions were analysed. To be able to ... -
On the growth of the cod and the formation of annual zones in the scales
(Report on Norwegian Fishery and Marine Investigations;vol 3 no 6, Research report, 1925) -
Pilot scale studies of intensive cod farming in Norway
(ICES CM Documents;1985/F:22, Working paper, 1985)Cod fry produced in a seawater pond at Austevoll, Norway were used in a farming experiment. Cod larvae were start fed on the natural plankton in the pond. Additional feeding with dry pellet started when the fry were 60 ... -
Primary growth rings in Blue Whiting otoliths
(ICES CM documents;1979/H:32, Working paper, 1979)To approach the problem of ageing blue whiting, acetat prints of the otoliths have been studied through a microscope. Primary growth rings have been counted, and provided that these are formed daily, the hatching time could ... -
Production experiment of halibut fry in large enclosed water columns
(ICES CM Documents;1986/F:19, Working paper, 1986)Halibut eggs were hatched in 21 floating enclosures and the larvae stored through the yolk sac period under 5 different environmental conditions, each with 4 parallels. The effect of the different environments was ... -
Protease activities in the digestive tract of Atlantic salmon fry from five different river strains
(ICES CM Documents;1982/M:11, Working paper, 1982) -
Prøvedyrking av stort kamskjell i mellomkultur - 1995-1996
(Fisken og havet, Research report, 1996)The production of King scallop (Pecten maximus) in culture may involve three steps; artificial spat production in hatchery, intermediate culture for production of seed and production of cornrnercial sized scallops in ... -
Recruitment decline in North Sea herring is accompanied by reduced larval growth rates
(Journal article; Peer reviewed, 2013-08-28)The stock of North Sea autumn spawning herring Clupea harengus (L.) has shown an unprecedented 10 yr sequence of sharply reduced recruitment, in spite of a high spawning biomass. Recent work has identified this below-expected ... -
Report of the ICES Working Group on Cod and Climate Change [Dartmouth, Nova Scotia, Canada, 11- 12 May, 2000]
(ICES CM Documents;2000/C:11, Working paper, 2000) -
Report of the ICES/GLOBEC Cod and Climate "Aggregation Workshop" [Charlottenlund, 22- 24 August, 1994]
(ICES CM Documents;1994/A:10, Working paper, 1994) -
Report of the ICES/GLOBEC Workshop on the Dynamics of Growth in Cod [Dartmouth, Canada, 8- 10 May, 2000]
(ICES CM Documents;2000/C:12, Working paper, 2000)