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dc.contributor.authorTorgersen, Thomas
dc.date.accessioned2011-11-24T21:10:26Z
dc.date.available2011-11-24T21:10:26Z
dc.date.issued2001-01-05
dc.identifier.issn0171-8630
dc.identifier.issn1616-1599
dc.identifier.urihttp://hdl.handle.net/11250/108615
dc.description.abstractExperiments 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 intensity corresponding to their daytime habitat. Predation rates were 3 times higher in the illuminated containers than in the dark ones (7 vs 2.3 copepods krill-1 18h-1), and higher on M. longa than on Calanus spp. in both light (1.3 times) and darkness (2.3 times). Swimming speeds of M. longa were about 10 times faster than those of Calanus spp., making M. longa more susceptible to mechanical detection.no_NO
dc.language.isoengno_NO
dc.publisherInter-Researchno_NO
dc.subjectpelagic fishno_NO
dc.subjectpelagisk fiskno_NO
dc.titleVisual predation by the euphausiid Meganyctiphanes norvegicano_NO
dc.typeJournal articleno_NO
dc.typePeer reviewedno_NO
dc.subject.nsiVDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Aquaculture: 922no_NO
dc.source.pagenumber295-299no_NO
dc.source.volume209no_NO
dc.source.journalMarine Ecology Progress Seriesno_NO
dc.identifier.doihttp://dx.doi.org/10.3354/meps209295


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