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Effects of low levels of heavy fraction of ekofisk crude oil on eggs and yolksac larvae of cod (Gadus morhua L.)
(ICES CM Documents;1982/E:59, Working paper, 1982) -
Effects of near-bottom currents on the distribution of olfactory stimuli (smell) from baits
(ICES CM Documents;1983/B:3, Working paper, 1983) -
Effects of organic waste from marine fish farms on the seabottom beneath the cages
(ICES CM Documents;1990/F:34, Working paper, 1990)Seven fish farms and a control station were investigated four times during one year. The farms represented a gradient of increasing accumulation of organic waste on the sea bottom. The thickness and the organic content ... -
Effects of pre-release acclimatization period on salmon return rates
(ICES CM Documents;1995/M:13, Working paper, 1995)42.000 1+smolts of Atlantic salmon were size graded into two size groups and released during three weeks in spring 1993; one group of small and one of large smolts on each of the four release days. Approximately 25% of ... -
The effects of regulations of the mackerel fishery in the North Sea
(ICES CM Documents;1972/H:30, Working paper, 1972) -
Effects of seawater extract of Ekofisk oil on hatching success of Barents Sea capelin
(ICES CM Documents;1976/E:29, Working paper, 1976) -
Effects of setting time, setting direction and soak time on longline catch rates
(ICES CM Documents;1996/B:34, Working paper, 1996)Most studies of factors affecting catching efficiency and selectivity in longlining have focused on various gear parameters (mainline and snood material, hook design and size, rigging) and on the bait (type and size), ... -
Effects of trawling and longlining on the yield and biomass of cod stocks - numerically simulated
(ICES CM Documents;1990/G:32, Working paper, 1990)Numerical studies were conducted on the effects of trawl and longline catches on a cod stock and possible yields from it. Five year mean age composition of Pacific cod (Gadus macrocephalus) from the Bering Sea was used ... -
Effects on Norwegian fisheries of sea floor littering and the physical presence of the petroleum industry
(ICES CM Documents;1977/E:59, Working paper, 1977) -
Effects on salmon (Salmo salar) from different operational procedures in fish farming
(ICES CM Documents;1988/F:16, Working paper, 1988)The effects on farmed salmon caused by operational procedures as handling, de-lousing, removal of dead fish, grading and transfer were studied by underwater TV-observations, ultrasonic telemetry of heart rate and analyses ... -
Egg mortality in recruit- and repeat-spawning cod: an experimental study
(ICES CM documents, Working paper, 1995)Experiments on the reproduction of individual Norwegian coastal cod and for the Arcto-Norwegian cod were conducted during the years 1982-92, and the year 1995 respectively. The experimental fish used were held in captivity ... -
The egg production of Arcto-Norwegian cod (Gadus morhua L.) in the Lofoten area estimated by egg surveys
(PINRO-IMR Symposium, Conference object, 1984)Spawning intensity measurements have been executed in Lofoten each year since 1976. They consist of egg net samples at selected spawning cites . In 1983, in addition, four quasi-synoptic egg surveys were conducted during ... -
The Ekofisk brave blow out : Compiled Norwegian Contributions
(ICES CM Documents;1977/E:55, Working paper, 1977) -
Electronic catch recording onboard commercial fishing vessels for scientific and commercial use
(ICES CM documents;2009/L:16, Working paper, 2009) -
Electronic catch registration onboard commercial fishing vessels for commercial and scientific use
(ICES CM documents;2009/L:16, Working paper, 2009)In assessment and management of marine fish resources, representative data of statistically good quality describing the actual catch are lacking for many fisheries. Even for the most studied fisheries in the north Atlantic, ... -
Electrophoretic studies of redfish (Genus sebastes) from Icelandic and Greenland waters
(ICES CM Documents;1992/G:36, Working paper, 1992)Sebastes spp. from Icelandic and Greenland waters were analysed for biochemical genetic variation by agar gel and starch gel electrophoresis. The main emphasize was put on S. marinus, but the oceanic type S. mentella ... -
Empirical results on precision - effort relationships for acoustic surveys
(ICES CM Documents;1989/B:30, Working paper, 1989)Repeated echo integrator surveys using a rather dense survey grid were performed in areas where the effect of fish migration was assumed to be insignificant. Relative estimates of fish abundance representing different ... -
Endocrine and nutritional factors affecting the first food uptake by cod larvae
(ICES CM Documents;1982/F:17, Working paper, 1982) -
Engineering and fish reaction aspects of gillnetting - a review
(ICES CM Documents;1981/B:34, Working paper, 1981) -
Engineering and fish reaction aspects of longlining - A review
(ICES CM Documents;1981/B:35, Working paper, 1981)