Blar i Brage IMR på forfatter "Blom, Geir"
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Applying global best practices for estimating unreported catches in Norwegian fisheries under a discard ban
Clegg, Thomas L; Kennelly, Steven J.; Blom, Geir; Nedreaas, Kjell Harald (Peer reviewed; Journal article, 2020)In addition to their role as a fisheries management tool, discard bans can be effective in improving knowledge of total catches via the requirement to land and report all catches. This shifts the focus to understanding the ... -
Comparative growth and survival of two genetic strains of Atlantic cod (Gadus morhua L.) reared through the early life stages in a marine pond in western Norway
Blom, Geir; Svåsand, Terje; Jørstad, Knut Eirik; Otterå, Håkon; Paulsen, Ole Ingar; Holm, Jens Christian (ICES CM Documents;1990/F:48, Working paper, 1990)The investigation was carried out in a marine pond in western Norway during spring and summer 1990. Two genetic defined strains of Atlantic cod (Gadus morhua L.) were used as broodstocks. A total of 11.1 x 10^6 cod larvae ... -
Discards of cod (Gadus morhua) in the Norwegian coastal fisheries: improving past and future estimates
Hilde Sofie Fantoft, Berg; Clegg, Tom; Blom, Geir; Kolding, Jeppe; Ono, Kotaro; Nedreaas, Kjell Harald (Peer reviewed; Journal article, 2022)Discarding can be an unknown source of biases and uncertainties in stock assessments. Discarding patterns and quantities vary so a routine methodology for estimating discards is important to give a better picture of total ... -
Kartlegging av førekomsten av hummar i Møre og Romsdal – hausten 2008
Roald, Sverre Ola; Blom, Geir; Lorgen, Karl Anton (Fisken og havet;5-2010, Research report, 2010-11-15)In this study of the lobster population in the area of Møre and Romsdal during the lobster catch-season of 2008 (October – December), 5 552 lobsters were caught during 29 817 pot days. The catches were registered in three ... -
Mikrofordeling og tetthet av zooplankton, og dets betydning for overlevelse og vekst av torskelarver (Gadus morhua L.) i en poll
Blom, Geir (Master thesis, 1987) -
Storskala produksjon av torskeyngel i Parisvatnet
Blom, Geir; Svåsand, Terje (Havforskningsnytt, Working paper, 1991) -
The "Discard Ban Package": Experiences in efforts to improve the exploitation patterns in Norwegian fisheries
Gullestad, Peter; Blom, Geir; Bakke, Gunnstein; Bogstad, Bjarte (Journal article; Peer reviewed, 2015-01-09)A source to long-term increased catches and profitability for the fishing fleet is the reduction of discards and improvements in exploitation patterns. This article details the development of Norwegian regulatory measures ... -
The “Discard Ban Package”: Experiences in efforts to improve the exploitation patterns in Norwegian fisheries
Gullestad, Peter; Blom, Geir; Bakke, Gunnstein; Bogstad, Bjarte (Journal article; Peer reviewed, 2015-01-09)A source to long-term increased catches and profitability for the fishing fleet is the reduction of discards and improvements in exploitation patterns. This article details the development of Norwegian regulatory measures ... -
Wrasse (Labridae) as cleaner fish in salmonid aquaculture – The Hardangerfjord as a case study
Skiftesvik, Anne Berit; Blom, Geir; Agnalt, Ann-Lisbeth; Durif, Caroline M.F.; Browman, Howard I.; Bjelland, Reidun M.; Harkestad, Lisbeth S.; Farestveit, Eva; Paulsen, Ole Ingar; Fauske, Merete; Havelin, Trond; Johnsen, Knut; Mortensen, Stein (Journal article; Peer reviewed, 2013-10-15)Several species of wrasse (Labridae) are used as cleaner fish to remove salmon lice from farmed Atlantic salmon. We estimated the fishery and use of wrasse in Hardangerfjord. The estimated numbers of labrids used on salmon ...