Browsing ICES CM documents authored by IMR scientists (1949-2011) by Subject "sampling"
Now showing items 121-127 of 127
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Some observations on the feeding ecology of Norwegian spring spawning herring (Clupea harengus) along the coast of Norway
(ICES CM Documents;1993/L:47, Working paper, 1993)The feeding ecology of Norwegian spring spawning herring Clupea harengus was studied with samples collected from cruises in February -March 1991, May 1992, and February and April 1993. A wide variety of zooplankton ... -
Swept area variation with depth and its influence on stratified trawl surveys indices on Arcto-Norwegian cod
(ICES CM Documents;1986/D:18, Working paper, 1986)Stratified trawl surveys have been carried out in the Barents Sea and the Svalbard areas since 1981. Based on the assumption of a constant area swept by the trawl during a standard trawl haul at any depth, swept area ... -
The effect of different sweep lengths on length composition of bottom sampling trawl catches
(ICES CM Documents;1987/B:16, Working paper, 1987)Abundance estimates of North-east Arctic cod and haddock are given annually on the basis of combined bottom trawl and acoustic surveys. Both survey methods use data from bottom trawl catches in the calculations. The ... -
The use of in situ deployment of live organisms and passive samplers to monitor contaminants in pelagic ecosystems
(ICES CM Documents;2002/X:6, Working paper, 2002) -
Trawl sampling of small pelagic species off Angola. Effects of avoidance, towing speed, tow duration and time of day
(ICES CM Documents;1997/W:12, Working paper, 1997)A series of pelagic trawl sampling trials on pelagic species distributed near surface off Angola were conducted by R/V «Dr. Fridtjof Nansen» operating a medium sized pelagic trawl with a vertical opening of about 20 m. ... -
Workshop on methods for merging metiers for fishery based sampling (WKMERGE) [19-22 January 2010 Copenhagen, Denmark]
(ICES CM documents;2010/ACOM:40, Working paper, 2010) -
Workshop on Methods of Forecasting Herring Catches in Division IIIA and the North Sea [Lysekil, 10- 13 March, 1992]
(ICES CM Documents;1992/H:5, Working paper, 1992)