Blar i ICES CM documents authored by IMR scientists (1949-2011) på emneord "recruitment"
Viser treff 1-20 av 46
-
A cross-ecosystem comparison of temporal variability in recruitment of functionally analogous fish stocks
(ICES CM documents;2007/D:10, Working paper, 2007)As part of the international MENU collaboration, variability in temporal patterns of recruitment and spawning stock were compared among functionally analogous species from four marine ecosystems including the Gulf of ... -
A study of first feeding herring (Clupea harengus L.) larvae during the period 1985- 1993
(ICES CM Documents;1993/H:21, Working paper, 1993)Hatching and distribution of first feeding larvae of Norwegian spring spawning herring have been monitored on the Norwegian shelf in March and April since 1985. During this period the spawning stock increased from 0.5 ... -
Abundance and mortality of Northeast Arctic cod and haddock during their first years of life
(ICES CM Documents;2010/C:04, Working paper, 2010)For Northeast Arctic cod and haddock in the Barents Sea, long time series of year-class abundance are available at several stages before they recruit to the fishery, i. e. before they reach age 3. Several studies have ... -
Demonstration of maternal effects of Atlantic cod: Combining the use of unique mesocosm and novel molecular techniques – A new EU-project
(ICES CM documents, Working paper, 2000)One of the effects of fishing is a reduction in average age and size in exploited fish stocks, leading to an increasing proportion of recruit spawners in the stock. Current management practice assumes equal viability of ... -
An evaluation of recruitment indices for Northeast Arctic cod (Gadus morhua L.)
(ICES CM documents, Working paper, 1999)Indices of the abundance of Northeast Arctic cod (Gadus morhua L.) for various life stages were compared in order to determine the earliest stage at .which year-class strength is established. The indices considered are: ... -
Growth, recruitment and mortality of Pandalus borealis (Krøyer), in Balsefjord, Northern Norway
(ICES CM Documents;1976/K:31, Working paper, 1976)A population study of the deep sea prawn started in autumn 1975. Eight months were sampled until July 1976. The von Bertalanffy growth parameters were estimated from mean carapace length of certain year classes, excluding ... -
How can a potential oil pollution affect the recruitment to fish stocks?
(ICES CM Documents;1989/Mini:5, Working paper, 1989)Eggs, larvae and the larvae's first search for food are the most critical stages in a fish life, both to threats from natural causes and pollution. Based on experimental studies of several species of fish eggs, larvae ... -
Influence of climate on recruitment and migration of fish stocks in the North Sea
(ICES CM Documents;1991/H:12, Working paper, 1991)For several decades one of the prime targets within fishery science has been to be able to understand and explain the great variability in the success of survival from egg to mature fish. One of the reasons why such effort ... -
Modelling the variability of the drift of blue whiting larvae and its possible importance for recruitment
(ICES CM Documents;1996/S:31, Working paper, 1996)The first 8 months of the drift of blue whiting larvae has been simulated and studied for the 20 year period 1976-1994, using the 3-dimensional numerical model system NORWECOM (the NORWegian ECOlogical Model system). The ... -
Overview of the EU fair project "STEREO" (Stock effects on recruitment relationships)
(ICES CM Documents;1999/Y:10, Working paper, 1999)The overall objective of the STEREO project is to improve the methodology for determining limit reference points for the biomass of exploited fish stocks. Limit reference points set boundaries which are intended to ... -
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 ... -
Recent variations in recruitment of Northeast Atlantic greenland halibut (Reinhardtius hippoglossoides) in relation to physical factors
(ICES CM Documents;1997/EE:6, Working paper, 1997)Based on annual bottom trawl surveys in the Barents Sea and Svalbard area in 1983-96, the paper describes variations in abundance and composition of 1-group Greenland halibut (Reinhardtius hippoglossoides). The main ... -
Recruitment indices of Norwegian spring-spawning herring for the period 1965 -1984 based on the international 0-group fish surveys
(ICES CM Documents;1985/H:54, Working paper, 1985)The trawl data from the International 0-group fish surveys in the Barents Sea are analyzed. The fishing powers of the participating vessels are estimated and corrected for. A relative index of year class strength is ... -
Recruitment of the Barents Sea capelin 1951-1961
(ICES CM Documents;1972/H:24, Working paper, 1972) -
Recruitment of wild and artificially reared cod (Gadus morhua L.) to the local spawning stock
(ICES CM Documents;1987/F:27, Working paper, 1987)A stock enhancement study of coastal cod was initiated in 1983, when 19,002 artificially reared cod fry were tagged and released in the Austevoll region in western Norway. As a part of this program, 3,946 cod fry were ... -
Recruitment of young Arcto-Norwegian cod and haddock in relation to parent stock size
(ICES CM Documents;1970/Sy:19, Working paper, 1970) -
Recruitment variability in Norwegian spring-spawning herring (Clupea harengus L.): the effect of temperature in larval drift trajectories
(ICES CM documents, Working paper, 2000)During late winter, the Norwegian spring-pawning (NSS) herring migrate southward along the Norwegian coast to spawn in March-April. The larvae drift northwards in the Norwegian coastal current during their first months and ... -
Report of the Division IIIA Demersal Stocks Working Group [Copenhagen, 14 -18 March, 1988]
(ICES CM Documents;1988/Assess:13, Working paper, 1988) -
Report of the Herring Assessment Working Group for the Area South of 62°N [Copenhagen, 27 March - 6 April, 1990]
(ICES CM Documents;1990/Assess:14, Working paper, 1990) -
Report of the Herring Assessment Working Group for the Area South of 62°N [ICES Headquarters, 14- 23 March, 2000]
(ICES CM Documents;2000/ACFM:10, Working paper, 2000)