Blar i ICES CM documents authored by IMR scientists (1949-2011) på emneord "VDP::Mathematics and natural science: 400::Zoology and botany: 480::Marine biology: 497"
Viser treff 141-160 av 514
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On the drift of sprat eggs and fry in the Skagerak and the north-eastern part of the North Sea
(ICES CM Documents;1961/154, Working paper, 1961) -
Optimum size of sampling unit for estimating the density of marine populations
(ICES CM Documents;1989/D:22, Working paper, 1989)Data from several trawling experiments and from some scallop dredge surveys indicate that, within limits, a srnaller sampling unit can be more effective than a larger unit for marine abundance surveys. Taking into account ... -
Organic waste and antibiotics from aquaculture
(ICES CM Documents;1988/F:14, Working paper, 1988)During the past year three joint projects have been conducted concerning the fate of organic waste and antibiotics from various Norwegian fish farms. The projects are investigating the following topics: - decomposition ... -
Overall report of the ad hoc group on oil pollution incidents : Brest, France, 2-9 June 1978 & Charlottenlund, 13-15 March 1979.
(ICES CM Documents;1979/E:10, Working paper, 1979) -
pH adjustment of acid water at Matre Aquaculture Station: Experiences with previous and existing methods
(ICES CM Documents;1984/F:28, Working paper, 1984)The water from Matre River is characterized as very soft, with a total hardness of 1. 5 - 2. 5 mg Ca0/1 and a very low buffer capacity. Acid precipitation results in low pH, values below 5. 0 are recorded every year. ... -
Plankton biomass, production and variability in the Norwegian Sea ecosystem
(ICES CM documents, Working paper, 2004) -
Plankton community structure and fish spawning area indicators in the Bay of Biscay, using Laser Optical Plankton Counter
(ICES CM Documents;2005/P:13, Working paper, 2005)In the Bay of Biscay, regular fisheries acoustic cruises are conducted to assess small pelagic fish stocks. Within the frame of the Bay of Biscay integrated project, measurements of additional biotic and abiotic variables ... -
Pollution effect upon the phytoplankton of the Oslofjord
(ICES CM Documents;1969/L:15, Working paper, 1969) -
Pollution problems in Norwegian fish farming
(ICES CM Documents;1983/F:26, Working paper, 1983) -
Predation of oyster larvae by Aurelia aurita in a Norwegian oyster pond
(ICES CM Documents;1986/F:21, Working paper, 1986)In the norwegian oyster spatting ponds several factors may influence the spat production. During a basic, general study in a pond in 1983-84, Aurelia aurita was demonstrated to be a heavy predator on pelagic oyster ... -
Predation on herring (Clupea harengus) eggs and young larvae.
(ICES CM Documents;1980/H:33, Working paper, 1980)The study presented here is part of a greater project dealing with recruitment studies of a local herring stock in Lindåspollene north of Bergen. Fish predators on herring spawn, mainly cod and haddock, were trapped ... -
Preliminary report from a comparative study of the diet of four gadoid fishes in a fjord of western Norway
(ICES CM Documents;1986/G:71, Working paper, 1986)As a contribution to a research program on sea ranching of cod in a fjord in western Norway, a dietary analysis of the main gadoid species has been conducted. The main aim of the analysis has been to identify potential ... -
Preliminary report from the sea-going workshop in Norway June 1993 on intercomparison and evaluation of methods for sampling and determination of zooplankton distribution and biomass
(ICES CM Documents;1993/L:45, Working paper, 1993)A sea-going workshop was arranged from 2 to 13 June 1993 in Storfjorden at Møre on the west coast of Norway. The workshop was a two-ship operation involving the Norwegian R/V "Johan Hjort" and the German R/V "A.V. Humboldt". ... -
Preliminary results from stocking salmonid freshwater enclosures with flounder (Platichthys flesus)
(ICES CM Documents;1984/F:2, Working paper, 1984)Stocking of flounder in salmonid freshwater culture are suggested as a possible way of reducing loadings of surplus food to surrounding environment Flounder of different sizes were transferred from an estuary to Atlantic ... -
Present ssatus of an intensive cod larvae rearing experiment at Austevoll
(ICES CM Documents;1981/F:13, Working paper, 1981)Cod yolk sac larvae were attempted start fed on natural plankton in plastic pens. The majority of the larval groups were also hatched in these pens. None of the sampled larvae had ingested feed, and all groups died out ... -
Present status of an intensive cod-rearing experiment at Austevoll, Norway
(ICES CM Documents;1982/F:16, Working paper, 1982) -
Prey selection of early juvenile cod (Gadus morhua L.) in the Barents Sea
(ICES CM documents, Conference object, 2006) -
Primary growth increments in otoliths of cod larvae (Gadus morhua L.) of the Arcto-Norwegian cod stock
(ICES CM Documents;1981/G:54, Working paper, 1981)Primary growth increments are laid down in the otoliths of cod larvae living in a habitat where the light intensity is above the light threshold for visual feeding during 24 hours, and in which the larvae were observed to ... -
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 ... -
The primary production in the Norwegian Sea June 1954, as measured by an adapted 14C-technique
(ICES CM Documents;1957/C:22, Working paper, 1957)