Blar i Brage IMR på emneord "gyting"
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The application of tank experiments to the study of reproductive potential in teleosts using Gadus morhua as a test model
(ICES CM documents, Working paper, 2000)Age-based population assessments (VPA) have often failed to show a clear relationship between spawning stock biomass and either recruitment or biomass estimated from annual egg production. Recent work has shown that the ... -
Are Norwegian fjords important spawning areas for anglerfish (Lophius piscatorius)?
(ICES CM documents;2007/K:17, Working paper, 2007)The knowledge about anglerfish spawning in the northeastern Atlantic is limited. Mature females are rarely seen in the major commercial fisheries within the area, and the general perception has been that the main spawning ... -
Atlanto-Scandian Herring and Capelin Working Group Report [ICES headquarters, 25 -28 October, 1983]
(ICES CM Documents;1984/Assess:4, Working paper, 1984) -
The autumn spawning group of herring in the north-eastern North Sea
(ICES CM Documents;1966/H:26, Working paper, 1966) -
Biology and population dynamics of the Norwegian spring- spawning herring
(Journal article; Peer reviewed, 1980) -
Birth-date selection in early life stages of plaice Pleuronectes platessa in the eastern Irish Sea (British Isles)
(Journal article; Peer reviewed, 2007-09-13)For species with extended spawning seasons, short periods of beneficial conditions often lead to disproportionate survival of sub-sets of the offspring. This has been demonstrated for freshwater fish and for marine pelagic ... -
Distinguishing between spring and autumn spawned herring from daily increments, a preliminary report
(ICES CM Documents;1988/H:15, Working paper, 1988)Otoliths from Norwegian Spring Spawning herring larvae, collected on a cruise in May 1985 and North Sea Autumn Spawned herring larvae, collected on a cruise in Desember 1987, were examined for daily increments. A greater ... -
Distribution and abundance of Norwegian spring spawning herring during the spawning season in 2000
(Fisken og havet, Research report, 2000)During the period 15.02-26.03.2000 the maturing and spawning herring (Clupea harengus L.) were distributed along the Norwegian coast from 57°N to 69°N. Between 61°N and 69°N the biomass and abundance estimates were 4.7 ... -
The effects of a minimum landings size regulation in the fishery of Norwegian spring-spawning herring
(ICES CM Documents;1986/H:51, Working paper, 1986)Effects of minimum landing size (LC) in the fishery of Norwegian spring-spawning herring have been investigated. The herring is assumed to be a unit stock, in which the growth of immatures differs according to the ... -
Liver energy, atresia and oocyte stage influence fecundity regulation in Northeast Arctic cod
(Journal article; Peer reviewed, 2010-04-08)Marine ecosystems are changing; global warming-induced increases in water temperatures and fishing have caused truncated age structures and small sizes at maturity in many stocks. This may affect both populations’ total ... -
Long-term changes in the total egg production of Norwegian spring-spawning herring Clupea harengus (L.)—Implications of variations in population structure and condition factor
(Journal article; Peer reviewed, 2010-05)The reproductive potential of Norwegian spring-spawning herring (Clupea harengus) was estimated in terms of total egg production (TEP) for the period 1935–2005, using a model where spawning stock numbers (SSN)-, weight- ... -
Long-term changes in the total egg production of Norwegian spring-spawning herring Clupea harengus (L.)—Implications of variations in population structure and condition factor
(Journal article; Peer reviewed, 2010-05)The reproductive potential of Norwegian spring-spawning herring (Clupea harengus) was estimated in terms of total egg production (TEP) for the period 1935–2005, using a model where spawning stock numbers (SSN)-, weight- ... -
Maturation, spawning and egg drift of Arcto-Norwegian haddock (Melanogrammus aeglefinus)
(Conference object, 1997) -
Mechanisms regulating oocyte recruitment and skippedspawning in Northeast Arctic cod (Gadus morhua L.)
(Journal article; Peer reviewed, 2009-09)To examine mechanisms that affect fecundity, atresia and skipped spawning in Northeast Arctic cod (Gadus morhua L.), we conducted an experiment where wild-caught cod (>60 cm) kept under restricted food regimes were subjected ... -
Mechanisms regulating oocyte recruitment and skippedspawning in Northeast Arctic cod (Gadus morhua L.)
(Journal article; Peer reviewed, 2009-09)To examine mechanisms that affect fecundity, atresia and skipped spawning in Northeast Arctic cod (Gadus morhua L.), we conducted an experiment where wild-caught cod (>60 cm) kept under restricted food regimes were subjected ... -
Modelling the dispersal of Cape hake ichthyoplankton
(ICES CM documents;, Working paper, 2010) -
Om skreiens atferd på gytefeltet
(Fisken og havet;1964 - Nr. 4, Journal article, 1964) -
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) -
Overflytting av torsk fra Finnmarkskysten til Stadhavet
(Fisken og havet;1963 - Nr. 4, Journal article, 1963)The geographical distribution of the recoveries of cod caught the 19th October 1959 at the Finnmark Coast and released the 23rd October the same year at Stad is studied. The migration northwards to the Lofoten area just ...