Browsing Brage IMR by Author "Skjoldal, Hein Rune"
Now showing items 61-66 of 66
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Underwater optics and behavioral responses of krill to presence of fish predators affect fish-plankton interactions
Kaartvedt, Stein; Skjoldal, Hein Rune; Melle, Webjørn; Knutsen, Tor (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. ... -
Utarbeidelse av et program for overvåkning av eutrofitilstand og- utvikling i norske kystfarvann basert på både tradisjonelle og høyteknologiske metoder
Ottersen, Geir; Aasen, Svein Erik; Aure, Jan; Danielssen, Didrik S.; Johnsen, Torbjørn Martin; Ostrowski, Marek; Skjoldal, Hein Rune; Svendsen, Einar; Søiland, Henrik; Sørensen, Kai; Tangen, Karl (Fisken og havet, Research report, 1998)This report describes methods for enhancement of the curent strategy for cutrophication surveillance through a case study of the Skagerrak region. As a basis for evaluation of different methods for monitoring ... -
Vertical distribution of fish and krill beneath water of varying optical properties
Kaartvedt, Stein; Melle, Webjørn; Knutsen, Tor; Skjoldal, Hein Rune (Journal article; Peer reviewed, 1996-06-06)The distribution of acoustical scattering layers of fish and krill changed markedly in concert with fluctuating fluorescence (chlorophyll a) in upper waters, possibly due to a varying 'shadow effect'. Beneath clear waters ... -
Vurdering av norske korallrev
Fosså, Jan Helge; Kutti, Tina; Buhl-Mortensen, Pål; Skjoldal, Hein Rune (Rapport fra Havforskningen;8-2015, Working paper, 2015)In 1999, the Norwegian fisheries authorities established a regulation for the protection of cold-water coral reefs, Lophelia pertusa, against damage from bottom trawling, including: prohibition of intentional destruction, ... -
Zooplankton reproduction in the Barents Sea vertical distribution of eggs and nauplii of Calanus finmarchicus in relation to spring phytoplankton development
Melle, Webjørn; Skjoldal, Hein Rune (Chapter, 1989)Variable influence of ice melting on water column stabilization causes a large variation in timing of the spring phytoplankton bloom in the central Barents Sea. During two cruises in April 1986 and May-June 1987 situations ... -
Økosystemet Barentshavet
Skjoldal, Hein Rune (Chronicle, 1991-07-31)