Blar i Publikasjoner fra CRIStin på forfatter "Dahle, Geir"
-
Going With the Flow – Population Genetics of the Kelp Saccharina latissima (Phaeophyceae, Laminariales)
Ribeiro, Pedro Miguel de Azevedo; Næss, Tonje; Dahle, Geir; Asplin, Lars; Meland, Kenneth; Fredriksen, Stein; Sjøtun, Kjersti (Peer reviewed; Journal article, 2022)Saccharina latissima is the most important habitat-forming kelp in sheltered areas of North-Atlantic, and there is also an increasing interest in cultivation and utilization of S. latissima. The cultivation activity may ... -
Krafttak for kysttorsken - Kunnskap for stedstilpasset gjenoppbygging av bestander, naturtyper og økosystem i Færder- og Ytre Hvaler nasjonalparker
Moland, Even; Synnes, Ann-Elin; Naustvoll, Lars Johan; Freitas, Carla; Norderhaug, Kjell Magnus; Thormar, Jonas; Biuw, Martin; Jorde, Per Erik; Knutsen, Halvor; Dahle, Geir; Jelmert, Anders; Bosgraaf, Sebastian; Olsen, Esben Moland; Deininger, Anne; Haga, Atle (Rapport fra havforskningen;2021 - 2, Research report, 2021)Ytre Oslofjord har en unik kystnatur av svært stor verdi for både fastboende og tilreisende. Færder- og Ytre Hvaler nasjonalparker ligger side om side ytterst i fjorden, og skal sikre naturverdiene for kommende generasjoner. ... -
Lessons on Marine Protected Area Management in Northern Boreal Regions from the United States and Norway
McDermott, Susanne F.; Buhl-Mortensen, Lene; Dahle, Geir; Hart, Deborah; Haynie, Alan C.; Johannessen, Tore; Moksness, Erlend; Olsen, Esben Moland; Olsen, Erik Joel Steinar; Olson, John V.; Spencer, Paul D.; Stockhausen, William T. (Journal article, 2017)In comparison to tropical reef systems, relatively few marine protected areas (MPA’s) exist in temperate or subarctic systems (e.g., North Pacific and North Atlantic) where species diversity is lower, abundance of individual ... -
Linking dispersal connectivity to population structure and management boundaries for saithe in the Northeast Atlantic
Myksvoll, Mari Skuggedal; Devine, Jennifer Ann; Quintela, Maria; Geffen, Audrey J.; Nash, Richard David Marriott; Sandvik, Anne Dagrun; Besnier, Francois; Saha, Atal; Dahle, Geir; Jansson, Eeva; Nedreaas, Kjell Harald; Johansen, Torild (Peer reviewed; Journal article, 2021)Population connectivity is an increasingly important focal area for the understanding of how marine fish populations respond to anthropogenic pressures like climate change and fisheries. Our model species, the saithe ... -
Long-term monitoring of a brown trout (Salmo trutta) population reveals kin-associated migration patterns and contributions by resident trout to the anadromous run
Duval, Eloïse; Skaala, Øystein; Sanchez, Maria Quintela; Dahle, Geir; Delaval, Aurelien Nicolas; Wennevik, Vidar; Glover, Kevin Alan; Hansen, Michael Möller (Peer reviewed; Journal article, 2021)In species showing partial migration, as is the case for many salmonid fishes, it is important to assess how anthropogenic pressure experienced by migrating individuals affects the total population. We focused on brown ... -
Mapping of fish spawning in the North Sea — Report of the KINO-2 project for 2018
Mateos-Rivera, Alejandro; Mozfar, Bahar; Skern-Mauritzen, Rasmus; Dahle, Geir; Wehde, Henning; Kleppe, Lisbeth; Sundby, Svein; Thorsen, Anders; Seliussen, Bjørghild Breistein; Asplin, Lars; Aguirre, Gaston Ezequiel; Isari, Stamatina; Krafft, Bjørn Arne (Rapport fra havforskningen, Research report, 2019)Increased and updated knowledge of reproductive strategies of fish is crucial to optimize the temporal and spatial planning for conducting seismic surveys; in order to reduce its potential negative ecosystems impacts. The ... -
Mapping of Fish Spawning in the North Sea; Report of the “KINO-2” Project for 2019
Mateos-Rivera, Alejandro; Mozfar, Bahar; Skern, Rasmus; Dahle, Geir; Wehde, Henning; Kleppe, Lisbeth; Sundby, Svein; Thorsen, Anders; Asplin, Lars; Isari, Stamatina; Krafft, Bjørn Arne (Rapport fra havforskningen;2020 - 2, Research report, 2020)Increased and updated knowledge of reproductive strategies of fish is crucial to optimize the temporal and spatial planning for conducting seismic surveys; in order to reduce its potential negative ecosystems impacts. The ... -
Not that clean: Aquaculture-mediated translocation of cleaner fish has led to hybridization on the northern edge of the species' range
Faust, Ellika; Jansson, Eeva; André, Carl; Halvorsen, Kim Aleksander Tallaksen; Dahle, Geir; Knutsen, Halvor; Sanchez, Maria Quintela; Glover, Kevin Alan (Peer reviewed; Journal article, 2021)Translocation and introduction of non-native organisms can have major impacts on local populations and ecosystems. Nevertheless, translocations are common practices in agri- and aquaculture. Each year, millions of wild-caught ... -
The pantophysin gene and its relationship with survival in early life stages of Atlantic cod: Pantophysin in Atlantic cod
Otterå, Håkon Magne; Johansen, Torild; Folkvord, Arild; Dahle, Geir; Bingh, Marte Kristine Solvang; Westgaard, Jon-Ivar; Glover, Kevin (Peer reviewed; Journal article, 2020)Genetic markers are widely used in fisheries management around the world. While the genetic structure and markers selected are usually based on samples from the wild, very few controlled experiments have been carried out ... -
Population structure in Atlantic cod in the eastern North Sea-Skagerrak-Kattegat: early life stage dispersal and adult migration
André, Carl; Svedang, Hendrik; Knutsen, Halvor; Dahle, Geir; Jonsson, Patrik; Ring, Anna-Karin; Sköld, Mattias; Jorde, Per Erik (Journal article; Peer reviewed, 2016-02-03) -
“Real-time” genetic monitoring of a commercial fishery on the doorstep of an MPA reveals unique insights into the interaction between coastal and migratory forms of the Atlantic cod
Johansen, Torild; Westgaard, Jon-Ivar; Seliussen, Bjørghild Breistein; Nedreaas, Kjell Harald; Dahle, Geir; Glover, Kevin; Kvalsund, Roger; Aglen, Asgeir (Journal article; Peer reviewed, 2017)With the decline of many of the world’s fisheries, increased regulation, including marine protected areas (MPA), forms an increasingly important role in promoting sustainable resource use. Here, we present a novel “real-time” ... -
Sluttrapport fra ICOD-prosjektet - Arbeidspakke 2: Egg- og yngelundersøkelser på gyte- og oppvekstområder på Smøla og i Aure i forbindelse med etablering av oppdrettsanlegg nær lokale gyteområder for kysttorsk
van der Meeren, Terje; Meier, Sonnich; Myksvoll, Mari Skuggedal; Dahle, Geir; Karlsen, Ørjan; Staby, Arved; Mjanger, Hildegunn; Engevik, Annhild; Dunlop, Katherine Mary; Bannister, Raymond; Skjæraasen, Jon Egil (Rapport fra havforskningen;2021 - 32, Research report, 2021)ICOD-prosjektet ble etablert for å undersøke mulige interaksjoner mellom oppdrettsanlegg og nærliggende gyteområder for kysttorsk. Rapporten presenterer resultater fra ICOD som omfatter egg- og yngelundersøkelser foretatt ... -
The frequency of spontaneous triploidy in farmedAtlantic salmon produced in Norway during theperiod 2007–2014
Glover, Kevin; Madhun, Abdullah Sami; Dahle, Geir; Sørvik, Anne Grete Eide; Wennevik, Vidar; Skaala, Øystein; Morton, Hugh Craig; Hansen, Tom Johnny; Fjelldal, Per Gunnar (Journal article; Peer reviewed, 2015-04-11)Background: Spontaneous triploidy has been reported in a number of fish species, and is often linked with in vivo or in vitro ageing of eggs post ovulation. Here, we provide the first investigation into the frequency of ... -
The making of a genetic cline: introgression of oceanic genes into coastal cod populations in the Northeast Atlantic
Jorde, Per Erik; Huserbråten, Mats Brockstedt Olsen; Seliussen, Bjørghild Breistein; Myksvoll, Mari Skuggedal; Vikebø, Frode Bendiksen; Dahle, Geir; Aglen, Asgeir; Johansen, Torild (Peer reviewed; Journal article, 2021)Abstract: Coastal Atlantic cod (Gadus morhua) in the Northeast Atlantic has seen a continuous decline since the industrialization of the coastal fishery, and management needs to address the spatial and temporal complexities ... -
The vgll3 Locus Controls Age at Maturity in Wild and Domesticated Atlantic Salmon(Salmo salar L.) Males
Ayllon, Fernando; Kjærner-Semb, Erik Nordtorp; Furmanek, Tomasz; Wennevik, Vidar; Solberg, Monica Favnebøe; Dahle, Geir; Taranger, Geir Lasse; Glover, Kevin; Sällman Almèn, Markus; Rubin, Carl J.; Edvardsen, Rolf; Wargelius, Anna (Journal article; Peer reviewed, 2015-11-09)Wild and domesticated Atlantic salmon males display large variation for sea age at sexual maturation, which varies between 1–5 years. Previous studies have uncovered a genetic predisposition for variation of age at maturity ... -
Whole genome resequencing reveals diagnostic markers for investigating global migration and hybridization between minke whale species
Malde, Ketil; Seliussen, Bjørghild Breistein; Sanchez, Maria Quintela; Dahle, Geir; Besnier, Francois; Skaug, Hans J.; Øien, Nils Inge; Solvang, Hiroko Kato; Haug, Tore; Skern-Mauritzen, Rasmus; Kanda, Naohisa; Pastene, Luis A.; Jonassen, Inge; Glover, Kevin (Peer reviewed; Journal article, 2017)