Blar i Brage IMR på emneord "pelagisk fisk"
Viser treff 41-45 av 45
-
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. ... -
Underwater optics and behavioral responses of krill to presence of fish predators affect fish-plankton interactions
(ICES CM Documents;1993/L:43, Working paper, 1993)In clear oceanic waters off the Norwegian shelf and in outer shelf waters, mesopelagic fish (Maurolicus muelleri) were located at approximately 200 m by day. Across a front into water of lower light penetration, M. ... -
Utvider ekkoloddforsøk [Olav Rune Godø uttaler seg om prosjektet og pelagiske arter]
(Others, 2008-11-05) -
Visual predation by the euphausiid Meganyctiphanes norvegica
(Journal article; Peer reviewed, 2001-01-05)Experiments showed that Meganyctiphanes norvegica are visual predators on copepods. Adult M. norvegica were offered a mixture of equal numbers of late stage Calanus spp. and Metridia longa in total darkness and at a light ... -
Wasp-Waist Interactions in the North Sea Ecosystem
(Journal article; Peer reviewed, 2011-07-28)Background In a “wasp-waist” ecosystem, an intermediate trophic level is expected to control the abundance of predators through a bottom-up interaction and the abundance of prey through a top-down interaction. Previous ...