Blar i Havforskningsinstituttet på emneord "fecundity"
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Effects of seawater extract of Ekofisk oil on hatching success of Barents Sea capelin
(ICES CM Documents;1976/E:29, Working paper, 1976) -
Estimation of potential and realised fecundity of fish
(ICES CM documents, Working paper, 2005) -
The fate of vitellogenic follicles in experimentally monitored Atlantic cod Gadus morhua (L.): Application to stock assessment
(Journal article; Peer reviewed, 2010-05)In this paper we report on the fate of vitellogenic follicles (VF) as either alpha atretic follicles (αF) or post-ovulatory follicles (POFs) using histology and captive Atlantic cod (Gadus morhua) in three experiments. In ... -
The fate of vitellogenic follicles in experimentally monitored Atlantic cod Gadus morhua (L.): Application to stock assessment
(Journal article; Peer reviewed, 2010-05)In this paper we report on the fate of vitellogenic follicles (VF) as either alpha atretic follicles (αF) or post-ovulatory follicles (POFs) using histology and captive Atlantic cod (Gadus morhua) in three experiments. In ... -
Fecundity and growth of Atlantic cod (Gadus morhua L.) along a latitudinal gradient
(Journal article; Peer reviewed, 2010-05)Some fish species have wide distribution areas that span very different habitats. In this investigation we have studied Atlantic cod (Gadus morhua), which is an example of such a species, to demonstrate how this may have ... -
Fecundity and maturity of cod (Gadus morhua L.) from northern Norway
(ICES CM Documents;1988/G:28, Working paper, 1988)The fecundity was determined for cod caught during March 1986 and 1987 in the region Lofoten - Malangsgrunnen, northern Norway. No significant difference in fecundity appeared between the two years. -
Fecundity of sprat from the Norwegian coast
(ICES CM Documents;1985/H:56, Working paper, 1985) -
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- ... -
Mackerel egg investigations in the North Sea
(ICES CM Documents;1984/H:38, Working paper, 1984)This paper deals with the mackerel egg investigations in the North Sea in 1982 and 1983. The egg production is estimated by a computerized method. The confidence limits of the egg samples were estimated at 20-30%. The ... -
Population dynamics of salmon lice Lepeophtheirus salmonis on Atlantic salmon and sea trout
(Journal article; Peer reviewed, 2005-04-13)The salmon louse Lepeophtheirus salmonis is a common ectoparasite of both farmed and wild salmonids in the marine environment, and can have a significant negative effect on the survival and growth of its host. To facilitate ... -
Report of the Ad Hoc Working Group on Mackerel egg sruveys [Lowestoft, 14 -17, 1984]
(ICES CM Documents;1984/H:3, Working paper, 1984) -
Report of the Mackerel Egg and Recruitment Workshop [Aberdeen, 25 -29 January, 1988]
(ICES CM Documents;1988/H:3, Working paper, 1988) -
Report of the Mackerel Egg Production Workshop [Lowestoft, 24 -28 June, 1985]
(ICES CM Documents;1985/H:7, Working paper, 1985) -
Report of the Study Group on Growth, Maturity and Condition in Stock Projections [ICES Headquarters, 5- 10 December, 2002]
(ICES CM Documents;2003/D:1, Working paper, 2003) -
Report of the Working Group on herring larval surveys south of 62°N [Hirtshals, 6 -10 January, 1986]
(ICES CM Documents;1986/H:3, Working paper, 1986) -
Report of the Working Group on Mackerel and Horse Mackerel Egg Surveys [Dublin, Ireland, 16- 20 April, 2002]
(ICES CM Documents;2002/G:6, Working paper, 2002) -
Report of the Working Group on Mackerel and Horse Mackerel Egg Surveys [Santander, Spain, 18- 21 January, 2000]
(ICES CM Documents;2000/G:1, Working paper, 2000) -
Stereological calibration of the profile method to quickly estimate atresia levels in fish
(Journal article; Peer reviewed, 2010-05)The (physical) ‘disector method’, a frequently cited stereological technique, has so far received little attention within fish fecundity studies, although it can be used to provide unbiased, assumption-free data on levels ...