Vis enkel innførsel

dc.contributor.authorFolkvord, Arildeng
dc.contributor.authorKoedijk, Roland M.eng
dc.contributor.authorLokøy, Vibekeeng
dc.contributor.authorImsland, Albert K.eng
dc.PublishedEnvironmental Biology of Fishes 89: 513-519en_US
dc.description.abstractIn juvenile fish production, large samples of known-aged material can be sampled at pre-determined time intervals from the same population. This enables an accurate determination of size-selective mortality by means of repeated samplings of fish and comparison of otolith size-at-age based on samples from different dates. An example is provided from an experiment with larval and juvenile Atlantic cod, Gadus morhua, where groups fed smaller sized enriched rotifers did not reveal any size-selective mortality during weaning to formulated feed, while those groups that were fed larger live natural zooplankton lost a significant fraction of the smaller-sized individuals during the same time period. This was contrary to the overall mortality which was higher among the rotifer fed groups during weaning. Part of this difference may be attributed to size differences between the groups, where larger zooplankton fed larvae were more prone to engage in cannibalistic behaviour.en_US
dc.rightsAttribution-NonCommercial CC BY-NCeng
dc.subjectSelective mortalityeng
dc.subjectJuvenile fish productioneng
dc.subjectGadus morhuaeng
dc.subjectOtolith microstructureeng
dc.titleTiming and selectivity of mortality in reared Atlantic cod revealed by otolith analysisen_US
dc.typePeer reviewed
dc.typeJournal article
dc.rights.holderThe Author(s) 2010en_US
dc.rights.holderCopyright The Author(s) 2010. This article is published with open access at Springerlink.comen_US
dc.subject.nsiVDP::Mathematics and natural science: 400en_US

Tilhørende fil(er)


Denne innførselen finnes i følgende samling(er)

Vis enkel innførsel

Attribution-NonCommercial CC BY-NC
Med mindre annet er angitt, så er denne innførselen lisensiert som Attribution-NonCommercial CC BY-NC