Blar i Published externally på forfatter "Naustvoll, Lars Johan"
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Apparent biogeographical trends in Alexandrium blooms for northern Europe: Â identifying links to climate change and effective adaptive actions
Klemm, Kerstin; Cembella, Allan; Clarke, Dave; Cusack, Caroline; Arneborg, Lars; Karlson, Bengt; Liu, Ye; Naustvoll, Lars Johan; Siano, Raffaele; Gran-Stadniczeñko, Sandra; John, Uwe (Peer reviewed; Journal article, 2022)The marine dinoflagellate Alexandrium Halim represents perhaps the most significant and intensively studied genus with respect to species diversity, life history strategies, toxigenicity, biogeographical distribution, and ... -
Apparent biogeographical trends in Alexandrium blooms for northern Europe: identifying links to climate change and effective adaptive actions
Klemm, Kerstin; Cembella, Allan; Clarke, Dave; Cusack, Caroline; Arneborg, Lars; Karlson, Bengt; Liu, Ye; Naustvoll, Lars Johan; Siano, Raffaele; Gran-Stadniczeñko, Sandra; John, Uwe (Peer reviewed; Journal article, 2022)The marine dinoflagellate Alexandrium Halim represents perhaps the most significant and intensively studied genus with respect to species diversity, life history strategies, toxigenicity, biogeographical distribution, and ... -
Calanus finmarchicus basin scale life history traits and role in community carbon turnover during spring
Jónasdóttir, Sigrún H; Naustvoll, Lars Johan; Teglhus, Frederik Wolff; Agersted, Mette Dalgaard; Grenwald, Julie C; Melle, Webjørn Raunsgård; Nielsen, Torkel Gissel (Peer reviewed; Journal article, 2022)The copepod Calanus finmarchicus was investigated in four Subpolar Basins, Labrador, Irminger, Iceland, and Norwegian Seas, during spring, covering the time of ascent, grazing, and initiation of reproduction in the area. ... -
Dynamics of phytoplankton species composition, biomass and nutrients in the North Atlantic during spring and summer - A trans-Atlantic study
Naustvoll, Lars Johan; Melle, Webjørn Raunsgård; Klevjer, Thor A.; Drinkwater, Kenneth F.; Strand, Espen; Knutsen, Tor (Peer reviewed; Journal article, 2020)During a return trip in May–June 2013 from Bergen, Norway, to Nuuk, Greenland, on the Institute of Marine Research's R/V “G. O. Sars”, four ocean basins, the Norwegian, Iceland, Irminger and Labrador seas, were surveyed ... -
Emerging phylogeographic perspective on the toxigenic diatom genus Pseudo-nitzschia in coastal northern European waters and gateways to eastern Arctic seas: Causes, ecological consequences and socio-economic impacts
Cembella, Allan; Klemm, Kerstin; John, Uwe; Karlson, Bengt; Arneborg, Lars; Clarke, Dave; Yamanaka, Tsuyuko; Cusack, Caroline; Naustvoll, Lars Johan; Bresnan, Eileen; Supraha, Luka; Lundholm, Nina (Peer reviewed; Journal article, 2023)The diatom Pseudo-nitzschia H. Peragallo is perhaps the most intensively researched genus of marine pennate diatoms, with respect to species diversity, life history strategies, toxigenicity, and biogeographical distribution. ... -
Emerging phylogeographic perspective on the toxigenic diatom genus Pseudo-nitzschia in coastal northern European waters and gateways to eastern Arctic seas: Causes, ecological consequences and socio-economic impacts
Cembella, Allan; Klemm, Kerstin; John, Uwe; Karlson, Bengt; Arneborg, Lars; Clarke, Dave; Yamanaka, Tsuyuko; Cusack, Caroline; Naustvoll, Lars Johan; Bresnan, Eileen; Supraha, Luka; Lundholm, Nina (Peer reviewed; Journal article, 2023)The diatom Pseudo-nitzschia H. Peragallo is perhaps the most intensively researched genus of marine pennate diatoms, with respect to species diversity, life history strategies, toxigenicity, and biogeographical distribution. ... -
Forecasting harmful algae blooms: Application to Dinophysis acuminata in northern Norway
Silva, Edson; Counillon, Francois Stephane; Brajard, Julien; Pettersson, Lasse H; Naustvoll, Lars Johan (Peer reviewed; Journal article, 2023)Dinophysis acuminata produces Diarrhetic Shellfish Toxins (DST) that contaminate natural and farmed shellfish, leading to public health risks and economically impacting mussel farms. For this reason, there is a high interest ... -
Harmful algal blooms and their effects in coastal seas of Northern Europe
Karlson, Bengt; Andersen, Per; Arneborg, Lars; Cembella, Allan; Eikrem, Wenche; John, Uwe; West, Jennifer Joy; Klemm, Kerstin; Kobos, Justyna; Lehtinen, Sirpa; Lundholm, Nina; Mazur-Marzec, Hanna; Naustvoll, Lars Johan; Poelman, Marnix; Provoost, Pieter; De Rijcke, Maarten; Suikkanan, Sanna (Peer reviewed; Journal article, 2021)Harmful algal blooms (HAB) are recurrent phenomena in northern Europe along the coasts of the Baltic Sea, Kattegat-Skagerrak, eastern North Sea, Norwegian Sea and the Barents Sea. These HABs have caused occasional massive ... -
Overvåking av Ytre Oslofjord 2014-2018. Årsrapport for 2014
Walday, Mats; Beylich, Bjørnar; Fagerli, Camilla With; Gitmark, Janne Kim; Naustvoll, Lars Johan; Selvik, John Rune (NIVA-rapport;6823-2015, Research report, 2015-05-13)Rapporten beskriver tilførsler i 2013 og resultater i 2014 for planteplankton, hydrofysikk og -kjemi i vannmassene samt forhold i strandsonen og på bløtbunn. Jordbruk er største kilde for tilførsler av fosfor. Jordbruk er ... -
Overvåking av Ytre Oslofjord 2014-2018. Årsrapport for 2017
Walday, Mats Gunnar; Gitmark, Janne Kim; Naustvoll, Lars Johan; Selvik, John Rune (NIVA-rapport, Research report, 2018)Jordbruk er den største enkeltkilden for tilførsler av både menneskeskapt fosfor og nitrogen til Ytre Oslofjord. Økt landbruk og befolkningsvekst rundt Ytre Oslofjord vil føre til en økt belastning på fjorden hvis ikke ... -
Overvåking av Ytre Oslofjord 2014-2018. Tilførsler og undersøkelser i vannmassene i 2014. Fagrapport.
Naustvoll, Lars Johan; Norli, Marit; Selvik, John Rune; Walday, Mats (NIVA-rapport;6818-2015, Research report, 2015-04-27)Overvåkingsprogrammet av vannmassene i Ytre Oslofjord skal fremskaffe informasjon om miljøtilstand og tilførsler til området, med fokus på næringssalter (eutrofi). Rapporten beskriver tilførsler for 2013 samt presenterer ... -
Overvåking av Ytre Oslofjord 2014-2018. Tilførsler og undersøkelser i vannmassene i 2015. Fagrapport.
Naustvoll, Lars Johan; Norli, Marit; Selvik, John Rune; Walday, Mats Gunnar (Research report, 2016)Overvåkningsprogrammet av vannmassene i Ytre Oslofjord fremskaffer informasjon om miljøtilstand og tilførsler, med fokus på næringssalter (eutrofi). Rapporten beskriver tilførsler for 2014 samt undersøkelser og resultater ... -
Overvåking av Ytre Oslofjord 2014-2018. Tilførsler og undersøkelser i vannmassene i 2017. Fagrapport
Naustvoll, Lars Johan; Norli, Marit; Selvik, John Rune; Walday, Mats Gunnar (NIVA-rapport, Research report, 2018)Overvåkningsprogrammet av vannmassene i Ytre Oslofjord fremskaffer informasjon om miljøtilstand og tilførsler, med fokus på næringssalter (eutrofi). Rapporten beskriver tilførsler for 2016 samt undersøkelser og resultater ... -
Overvåking av Ytre Oslofjord 2014-2018. Tilførsler og undersøkelser i vannmassene i 2018. Fagrapport
Naustvoll, Lars Johan; Selvik, John Rune; Walday, Mats Gunnar (NIVA-rapport, Research report, 2019)Jordbruk er største kilde for tilførsler både fosfor og nitrogen til Ytre Oslofjord. Avløpsrenseanlegg og naturlig avrenning er omtrent like store. Industriutslipp av fosfor har gått vesentlig ned de senere år. Glomma, ... -
Overvåking av Ytre Oslofjord i 2014-2018. 5-årsrapport
Walday, Mats Gunnar; Borgersen, Gunhild; Beylich, Bjørnar; Eikrem, Wenche; Gitmark, Janne Kim; Naustvoll, Lars Johan; Selvik, John Rune; Staalstrøm, Andre (NIVA-rapport, Research report, 2019)Siden 2001 har tilstanden i Ytre Oslofjord blitt overvåket i regi av Fagrådet for Ytre Oslofjord. Undersøkelsene gir informasjon om forurensende tilførsler til fjordområdet og om miljøtilstanden på bunnen og i vannmassene. ... -
Pilotprosjekt - Kartlegging av marin natur i Møre og Romsdal. Årsrapport 2017
Bekkby, Trine; Sigurd, Espeland; Dolan, Margaret; Rinde, Eli; Moy, Frithjof Emil; Elvenes, Sigrid; Gundersen, Hege; van Son, Thijs Christiaan; Sogn Andersen, Guri; Thormar, Jonas; Frigstad, Helene; Moy, Siri Røang; Beylich, Bjørnar; Albretsen, Jon; Naustvoll, Lars Johan; Tveiten, Lise Ann (Research report, 2018) -
Spatial and biological oceanographic insights into the massive fish-killing bloom of the haptophyte Chrysochromulina leadbeateri in northern Norway
John, Uwe; Supraha, Luka; Gran-Stadniczeñko, Sandra; Bunse, Carina; Cembella, Allan; Eikrem, Wenche; Janouskovec, Jan; Klemm, Kerstin; Kühne, Nancy; Naustvoll, Lars Johan; Voss, Daniela; Wohlrab, Sylke; Edvardsen, Bente (Peer reviewed; Journal article, 2022)A bloom of the fish-killing haptophyte Chrysochromulina leadbeateri in northern Norway during May and June 2019 was the most harmful algal event ever recorded in the region, causing massive mortalities of farmed salmon. ... -
Spatial and biological oceanographic insights into the massive fish-killing bloom of the haptophyte Chrysochromulina leadbeateri in northern Norway
John, Uwe; Supraha, Luka; Gran-Stadniczeñko, Sandra; Bunse, Carina; Cembella, Allan; Eikrem, Wenche; Janouskovec, Jan; Klemm, Kerstin; Kühne, Nancy; Naustvoll, Lars Johan; Voss, Daniela; Wohlrab, Sylke; Edvardsen, Bente (Peer reviewed; Journal article, 2022)A bloom of the fish-killing haptophyte Chrysochromulina leadbeateri in northern Norway during May and June 2019 was the most harmful algal event ever recorded in the region, causing massive mortalities of farmed salmon. ... -
Stillehavsøsters i Norden. Datainnsamling og bestandsvurderinger som grunnlag for forvaltning og høsting av nordiske bestander av stillehavsøsters, Crassostrea gigas
Mortensen, Stein; Laugen, Ane T; Strand, Åsa; Dolmer, Per; Naustvoll, Lars Johan; Jelmert, Anders; Albretsen, Jon; Broström, Göran; Gustafsson, Malin; Durkin, Alice; Esaghoolian Khogyane, Sevan; Partoft, Hanna; Bøgwald, Mats (TemaNord, Research report, 2022) -
Structure and functioning of four North Atlantic ecosystems - A comparative study
Melle, Webjørn Raunsgård; Klevjer, Thor A.; Drinkwater, Kenneth F.; Strand, Espen; Naustvoll, Lars Johan; Wiebe, Peter H.; Aksnes, Dag Lorents; Knutsen, Tor; Sundby, Svein; Slotte, Aril; Dupont, Nicolas; Salvanes, Anne Gro Vea; Korneliussen, Rolf; Huse, Geir (Peer reviewed; Journal article, 2020)The epi- and mesopelagic ecosystems of four sub-polar ocean basins, the Labrador, Irminger, Iceland and Norwegian seas, were surveyed during two legs from Bergen, Norway, to Nuuk, Greenland, and back to Bergen. The survey ...