Blar i Brage IMR på forfatter "Agnalt, Ann-Lisbeth"

Viser treff 21-40 av 42

    • Integration of a wind farm with a wave- and an aquaculture farm 

      He, J.; Weissenberger, J.; Bergh, Øivind; Hjøllo, Solfrid Sætre; Wehde, Henning; Agnalt, Ann-Lisbeth; Chen, Z.; Olason, D.; Thorsteinson, B.; Fosso, O.B. (Conference object, 2011-11-15)
      There is a growing interest in placing wind farms offshore. 140 GW of offshore wind are currently being planned to reach the EU energy 2020 goal. However, an offshore wind farm occupies a large area and competes with other ...

    • Kartlegging av fremmede marine arter i Hordaland 

      Husa, Vivian; Heggøy, Erling; Sjøtun, Kjersti; Agnalt, Ann-Lisbeth; Johansen, Per-Otto; Glenner, Henrik; Hatlen, Kristin (DN-utredning;2-2012, Research report, 2012-03)
      The method Rapid Coastal Survey was applied in a pilot project in the county of Hordaland in autumn 2010. The abundance of 21 introduced target species was investigated in 32 marinas in the area. No new species to ...

    • Kartlegging av fremmede marine arter i Rogaland 

      Husa, Vivian; Heggøy, Erling; Agnalt, Ann-Lisbeth; Svensen, Rudolf; Rokkan-Iversen, Kriss; Alvestad, Tom (DN-utredning;3-2012, Research report, 2012-03)
      The method Rapid Coastal Survey was applied in 36 marinas in the county of Rogaland during five days in august 2010. 27 introduced species were targeted in this investigation. No new species to Norway was found, but ...

    • Kunnskapsstatus leppefisk : Utfordringer i et økende fiskeri 

      Espeland, Sigurd Heiberg; Nedreaas, Kjell Harald; Mortensen, Stein H.; Skiftesvik, Anne Berit; Agnalt, Ann-Lisbeth; Durif, Caroline M.F.; Harkestad, Lisbeth S.; Karlsbakk, Egil; Knutsen, Halvor; Thangstad, Trond; Jørstad, Knut Eirik; Bjordal, Åsmund; Gjøsæter, Jakob (Fisken og havet;7-2010, Research report, 2010-11-15)
      Over the past few years there has been a rapid increase in the use of wrasses as cleanerfish for sealice on salmon farms. During 2010, the landed catch of wrasse was 440 tons, more than twice the 2009 catch and nearly ten ...

    • Kyst og havbruk 2005 

      Boxaspen, Karin; Agnalt, Ann-Lisbeth; Gjøsæter, Jakob; Jørgensen, Lis Lindal; Skiftesvik, Anne Berit (Fisken og havet, særnummer;2-2005, Research report, 2005-04)

    • Kyst og havbruk 2009 

      Agnalt, Ann-Lisbeth; Bakketeig, Ingunn; Haug, Tore; Knutsen, Jan Atle; Opstad, Ingegjerd (Fisken og havet, særnummer, Research report, 2009-04)

    • Marinøkologiske ringvirkninger av vindmølleparker til havs 

      Steen, Henning; Nilssen, Kjell Tormod; Agnalt, Ann-Lisbeth; Alvsvåg, John; Asplin, Lars; Jelmert, Anders; Dahl, Einar; Dalen, John (Fisken og havet, Research report, 2008)
      There is an increasing need for energy. Considerable efforts are being made to develop environmentally friendly energy sources. Generating electric energy using wind turbines is one of the methods that has gained widespread, ...

    • Metodikk for kartlegging og overvåkning av fremmede marine arter i Norge - Forslag til nasjonalt program 

      Husa, Vivian; Agnalt, Ann-Lisbeth; Falkenhaug, Tone; Forsgren, Elisabet; Fossøy, Frode; Grefsrud, Ellen Sofie; Hanssen, Frank Ole; Jelmert, Anders; Mortensen, Stein (Rapport fra havforskningen;2022 - 10, Research report, 2022-04-28)
      Norge har i dag overvåkning av enkelte fremmede marine arter og en sporadisk generell kartlegging av forekomsten av slike arter langs deler av kysten. Det er derfor behov for en systematisk plan for kartlegging og overvåkning ...

    • Modelled dispersal of snow crab (Chionoecetes opilio) larvae and potential settlement areas in the western Barents Sea 

      Huserbråten, Mats Brockstedt Olsen; Hjelset, Ann Merete; Danielsen, Hanna Ellerine Helle; Hvingel, Carsten; Agnalt, Ann-Lisbeth (Peer reviewed; Journal article, 2023)
      Since the mid-1990s, a snow crab (Chionoecetes opilio) population has established in the eastern Barents Sea. Spawning females and newly hatched larvae are now also found in the central Barents Sea, warranting speculations ...

    • Modelling chemical releases from fish farms: impact zones, dissolution time, and exposure probability 

      Sævik, Pål Næverlid; Agnalt, Ann-Lisbeth; Samuelsen, Ole Bent; Myksvoll, Mari Skuggedal (Peer reviewed; Journal article, 2021)
      Tarpaulin bath treatments are used in open net-pen finfish aquaculture to combat parasitic infections, in particular sea lice. After treatment, the toxic wastewater is released directly into the ocean, potentially harming ...

    • Monitoring marine alien species in Norway - A pilot study for implementing a national program 

      Husa, Vivian; Fossøy, Frode; Davey, Marie; Agnalt, Ann-Lisbeth; Brandsegg, Hege; Bruntveit, Leif; Eilertsen, Mette; Falkenhaug, Tone; Forsgren, Elisabet; Grefsrud, Ellen Sofie; Haugland, Barbro Taraldset; Olsen, Siri Aaserud; Olssøn, Ragni; Svensen, Rudolf; Svensen, Øyvind (Rapport fra havforskningen;2024 - 1, Research report, 2024)
      In this pilot study we tested the efficiency of different methods to detect alien marine species in three different ports in Rogaland County. The methods used followed by far the recommendations in the HELCOM protocol, ...

    • Mortality and deformities in European lobster (Homarus gammarus) juveniles exposed to the anti-parasitic drug teflubenzuron 

      Samuelsen, Ole Bent; Lunestad, Bjørn T.; Farestveit, Eva; Grefsrud, Ellen Sofie; Hannisdal, Rita; Holmelid, Bjarte; Tjensvoll, Tore; Agnalt, Ann-Lisbeth (Journal article; Peer reviewed, 2014-02-04)
      This study describes experiments carried out to examine effects of the antiparasitic drug teflubenzuron, used in delousing farmed salmon, on a non-target species, the European lobster (Homarus gammarus). Juvenile lobsters ...

    • Mortality and reduced photosynthetic performance in sugar kelp Saccharina latissima caused by the salmon-lice therapeutant hydrogen peroxide 

      Haugland, Barbro Taraldset; Rastrick, Samuel; Agnalt, Ann-Lisbeth; Husa, Vivian; Kutti, Tina; Samuelsen, Ole Bent (Journal article; Peer reviewed, 2019)
      Sugar kelp Saccharina latissima is one of the dominating kelp species on sheltered sublittoral sites along the Norwegian coastline, providing important habitats and ecosystem services. In finfish aquaculture in Norway, ...

    • Mortality in the rockpool shrimp Palaemon elegans following long-term exposure to low doses of the anti-parasitic drug Teflubenzuron 

      Samuelsen, Ole Bent; Parsons, Aoife; Agnalt, Ann-Lisbeth; Tjensvoll, Tore; Lunestad, Bjørn Tore; Hannisdal, Rita (Peer reviewed; Journal article, 2020)
      Anti-parasitic drugs used to control sea lice infestations in the salmonid aquaculture industry are a growing environmental concern due to their potential impacts on non-target crustacean species. This study examined the ...

    • Perspektiver for havbeite i Norge 

      Svåsand, Terje; Agnalt, Ann-Lisbeth; Jørstad, Knut Eirik; Strand, Øivind (Havforskningsnytt, Working paper, 2002)

    • Rapid Coastal Survey in Norwegian Waters 

      Husa, Vivian; Agnalt, Ann-Lisbeth; Svensen, Rudolf; Heggøy, Erling; Handå Bysveen, Ingrid; Holmern, Tomas; Rokkan-Iversen, Kriss; Steen, Henning; Jelmert, Anders; Farestvedt, Eva; Petersen, Helen (Conference object, 2012-09)

    • Recorded captures of American lobster (Homarus Americanus) in Swedish waters and an observation of predation on the European lobster (Homarus Gammarus) 

      Øresland, Vidar; Ulmestrand, Mats; Agnalt, Ann-Lisbeth; Oxby, Gert (Peer reviewed; Journal article, 2017)

    • Short-term exposure to hydrogen peroxide induces mortality and alters exploratory behaviour of European lobster (Homarus gammarus) 

      Escobar, Rosa; Parsons, Aoife Elizabeth; Samuelsen, Ole Bent; Agnalt, Ann-Lisbeth (Peer reviewed; Journal article, 2020)
      Bath treatment chemotherapeutants, used to control sea lice infestations in the salmonid aquaculture industry, are released directly into the marine environment around fish farms and pose a serious risk to non-target ...

    • Snow crab (Chionoecetes opilio), a new food item for North-east Arctic cod (Gadus morhua) in the Barents Sea 

      Holt, Rebecca Emma; Hvingel, Carsten; Agnalt, Ann-Lisbeth; Dolgov, Andrey V.; Hjelset, Ann Merete; Bogstad, Bjarte (Peer reviewed; Journal article, 2021)
      The snow crab (Chionoecetes opilio) is a newly established species in the Barents Sea, increasing in both distribution and abundance in recent years. We explore the potential importance of North-east Arctic cod (Gadus ...

    • Taxonomic and genetic confirmed findings of snow crab (Chionoecetes opilio) larvae in the Barents Sea 

      Hjelset, Ann Merete; Danielsen, Hanna Ellerine Helle; Westgaard, Jon-Ivar; Agnalt, Ann-Lisbeth (Peer reviewed; Journal article, 2021)
      The snow crab (Chionoecetes opilio) is an Arctic cold-water species native to the northwestern Atlantic Ocean and the northern Pacific Ocean. During the recent decades, a population has established in the Barents Sea. ...