Browsing Brage IMR by Author "Ingvaldsen, Randi Brunvær"
Now showing items 21-36 of 36
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Origin of marine invertebrate larvae on an Arctic inflow shelf
Descoteaux, Raphaelle; Huserbråten, Mats Brockstedt Olsen; Jørgensen, Lis Lindal; Renaud, Paul Eric; Ingvaldsen, Randi Brunvær; Ershova, Elizaveta; Bluhm, Bodil (Peer reviewed; Journal article, 2022)Many benthic invertebrate taxa possess planktonic early life stages which drift with water currents and contribute to dispersal of the species, sometimes reaching areas beyond the current ranges of the adults. Until recently, ... -
Panel-based Assessment of Ecosystem Condition of Norwegian Barents Sea Shelf Ecosystems
Siwertsson, Anna; Husson, Berengere; Arneberg, Per; Assmann, Karen; Assmy, Philipp; Aune, Magnus; Bogstad, Bjarte; Børsheim, Knut Yngve; Chierici, Melissa; Cochrane, Sabine K.J.; Daase, Malin; Fauchald, Per; Frainer, André; Fransson, Agneta; Hop, Haakon; Höffle, Hannes; Gerland, Sebastian; Ingvaldsen, Randi Brunvær; Jentoft, Sissel; Kovacs, Kit M.; Leonard, Deanna Marie; Lind, Sigrid; Lydersen, Christian; Pavlova, Olga; Peuchet, Laurene; Primicerio, Raul; Renaud, Paul Eric; Solvang, Hiroko Kato; Skaret, Georg; van der Meeren, Gro Ingleid; Wassmann, Paul; Øien, Nils Inge (Rapport fra havforskningen;2023 - 14, Research report, 2023)The System for Assessment of Ecological Condition, coordinated by the Norwegian Environment Agency, is intended to form the foundation for evidence-based assessments of the ecological condition of Norwegian terrestrial and ... -
Panel-based Assessment of Ecosystem Condition of Norwegian Barents Sea Shelf Ecosystems - Appendices
Siwertsson, Anna; Husson, Berengere; Arneberg, Per; Assmann, Karen; Assmy, Philipp; Aune, Magnus; Bogstad, Bjarte; Børsheim, Knut Yngve; Chierici, Melissa; Cochrane, Sabine K.J.; Daase, Malin; Fauchald, Per; Frainer, André; Fransson, Agneta; Hop, Haakon; Höffle, Hannes; Gerland, Sebastian; Ingvaldsen, Randi Brunvær; Jentoft, Sissel; Kovacs, Kit M.; Leonard, Deanna Marie; Lind, Sigrid; Lydersen, Christian; Pavlova, Olga; Peuchet, Laurene; Primicerio, Raul; Renaud, Paul Eric; Solvang, Hiroko Kato; Skaret, Georg; van der Meeren, Gro Ingleid; Wassmann, Paul; Øien, Nils Inge (Rapport fra havforskningen;2023 - 15, Research report, 2023) -
Possible future scenarios for two major Arctic Gateways connecting Subarctic and Arctic marine systems: I. Climate and physical-chemical oceanography
Drinkwater, Kenneth F.; Harada, Naomi; Nishino, Shigeto; Chierici, Melissa; Danielson, Seth L.; Ingvaldsen, Randi Brunvær; Kristiansen, Trond; Hunt, George L.; Mueter, Franz; Stiansen, Jan Erik (Peer reviewed; Journal article, 2021)We review recent trends and projected future physical and chemical changes under climate change in transition zones between Arctic and Subarctic regions with a focus on the two major inflow gateways to the Arctic, one in ... -
Productive detours – Atlantic water inflow and acoustic backscatter in the major troughs along the Svalbard shelf
Menze, Sebastian; Ingvaldsen, Randi Brunvær; Nikolopoulos, Anna; Hattermann, Tore; Albretsen, Jon; Gjøsæter, Harald (Peer reviewed; Journal article, 2020)Atlantic Water (AW) flowing along the western and northern Svalbard shelf-break extends the Atlantic domain into the Arctic and is the region’s major source of heat, nutrients and advected plankton. We investigated the ... -
Status for miljøet i Barentshavet: Rapport fra Overvåkingsgruppen 2020
Jelmert, Anders; Sandø, Anne Britt; Frie, Anne Kirstine Højholt; Bogstad, Bjarte; Grøsvik, Bjørn Einar; Eriksen, Elena; Hallfredsson, Elvar H.; Stenevik, Erling Kåre; Bagøien, Espen; Ottersen, Geir; Skaret, Georg; Höffle, Hannes; Vee, Ida; Johansson, Josefina; Jørgensen, Lis Lindal; McBride, Margaret; Chierici, Melissa; Dalpadado, Padmini; Ingvaldsen, Randi Brunvær; Lien, Vidar Surén; Høines, Åge Sigurd; Fransson, Agneta; Sundfjord, Arild; von Quillfeldt, Cecilie; Lydersen, Christian; Hop, Haakon; Strøm, Hallvard; Johnsen, Hanne; Routti, Heli Anna Irmeli; Danielsen, Ida Kristin; Aars, Jon; Kovacs, Kit M.; Helgason, Lisa Bjørnsdatter; Itkin, Mikhail; Pavlova, Olga; Assmy, Philipp; Descamps, Sebastien; Lind, Sigrid; Gerland, Sebastian; Skotte, Gunnar; Stene, Kristine O.; Leiknes, Øystein; Skjerdal, Hilde Kristin; Jensen, Henning; Jensen, Andre Frantzen; Green, Norman Whitaker; Lorentsen, Svein Håkon (Rapport fra havforskningen;2020 - 13, Research report, 2020)I rapporten dekkes tre hovedtemaer: (1) Dominerende trekk i status og utvikling i økosystemet i Barentshavet siden 2016 med vekt på å beskrive hvordan sentrale prosesser påvirker tilstanden; (2) en mer detaljert beskrivelse ... -
Status for miljøet i norske havområder - Rapport fra Overvåkingsgruppen 2023
Albretsen, Jon; Assmann, Karen; Assmy, Philipp; Bohlin-Nizzetto, Pernilla; Børsheim, Knut Yngve; Chierici, Melissa; Christensen, Kai Håkon; Dalpadado, Padmini; Diesing, Markus; Espenes, Lars Christian; Falkenhaug, Tone; Fauchald, Per; Frie, Anne Kirstine Højholt; Gerland, Sebastian; Grøsvik, Bjørn Einar; Gundersen, Hege; Gundersen, Kjell; Hancke, Kasper; Heimstad, Eldbjørg Sofie; Husa, Vivian; Ingvaldsen, Randi Brunvær; Jelmert, Anders; Hensen, Henning; Jensen, Louise Kiel; Jensen, Martin; Johansson, Josefina; Johnsen, Hanne; Jørgensen, Lis Lindal; Kovacs, Kit M.; Leiknes, Øystein; Leonard, Deanna Marie; Lorentsen, Svein-Håkon; Mousing, Erik Askov; Norderhaug, Kjell Magnus; Rosendal, Elisabet; Sanchez-Borque, Jorge; Schøyen, Merete; Skagseth, Øystein; Skjerdal, Hilde Kristin; Skern-Mauritzen, Mette; Skogen, Morten D.; Stene, Kristine O.; Søvik, Guldborg; Thorsnes, Terje; von Quillfeldt, Cecilie (Rapport fra havforskningen;2023 - 24, Research report, 2023)I denne rapporten gir Overvåkingsgruppen, for første gang, en felles vurdering av miljøtilstanden i Barentshavet og havområdene utenfor Lofoten, Norskehavet og Nordsjøen med Skagerrak. Det er også første rapport som bruker ... -
Still Arctic? — The changing Barents Sea
Gerland, Sebastian; Ingvaldsen, Randi Brunvær; Reigstad, Marit; Sundfjord, Arild; Bogstad, Bjarte; Chierici, Melissa; Hop, Haakon; Renaud, Paul Eric; Smedsrud, Lars Henrik; Stige, Leif Christian; Årthun, Marius; Berge, Jørgen; Bluhm, Bodil Annikki Ulla Barbro; Borgå, Katrine; Bratbak, Gunnar; Divine, Dmitry V; Eldevik, Tor; Eriksen, Elena; Fer, Ilker; Fransson, Agneta; Gradinger, Rolf Rudolf; Granskog, Mats A.; Haug, Tore; Husum, Katrine; Johnsen, Geir; Jonassen, Marius Opsanger; Jørgensen, Lis Lindal; Kristiansen, Svein; Larsen, Aud; Lien, Vidar Surén; Lind, Sigrid; Lindstrøm, Ulf Ove; Mauritzen, Cecilie; Melsom, Arne; Mernild, Sebastian H.; Müller, Malte; Nilsen, Frank; Primicerio, Raul; Søreide, Janne; van der Meeren, Gro Ingleid; Wassmann, Paul (Peer reviewed; Journal article, 2023)The Barents Sea is one of the Polar regions where current climate and ecosystem change is most pronounced. Here we review the current state of knowledge of the physical, chemical and biological systems in the Barents Sea. ... -
Still Arctic? — The changing Barents Sea
Gerland, Sebastian; Ingvaldsen, Randi Brunvær; Reigstad, Marit; Sundfjord, Arild; Bogstad, Bjarte; Chierici, Melissa; Hop, Haakon; Renaud, Paul Eric; Smedsrud, Lars Henrik; Stige, Leif Christian; Årthun, Marius; Berge, Jørgen; Bluhm, Bodil Annikki Ulla Barbro; Borgå, Katrine; Bratbak, Gunnar; Divine, Dmitry V; Eldevik, Tor; Eriksen, Elena; Fer, Ilker; Fransson, Agneta; Gradinger, Rolf Rudolf; Granskog, Mats A.; Haug, Tore; Husum, Katrine; Johnsen, Geir; Jonassen, Marius Opsanger; Jørgensen, Lis Lindal; Kristiansen, Svein; Larsen, Aud; Lien, Vidar Surén; Lind, Sigrid; Lindstrøm, Ulf Ove; Mauritzen, Cecilie; Melsom, Arne; Mernild, Jacob Sebastian Haugaard; Müller, Malte; Nilsen, Frank; Primicerio, Raul; Søreide, Janne; van der Meeren, Gro Ingleid; Wassmann, Paul (Peer reviewed; Journal article, 2023)The Barents Sea is one of the Polar regions where current climate and ecosystem change is most pronounced. Here we review the current state of knowledge of the physical, chemical and biological systems in the Barents Sea. ... -
Successive extreme climatic events lead to immediate, large-scale, and diverse responses from fish in the Arctic
Husson, Berengere; Lind, Sigrid; Fossheim, Maria; Solvang, Hiroko Kato; Skern-Mauritzen, Mette; Pecuchet, Laurene; Ingvaldsen, Randi Brunvær; Dolgov, Andrey V.; Primicerio, Raul (Peer reviewed; Journal article, 2022)The warming trend of the Arctic is punctuated by several record-breaking warm years with very low sea ice concentrations. The nature and reversibility of marine ecosystem responses to these multiple extreme climatic events ... -
Survey report (Part 2) from the joint Norwegian/Russian Ecosystem Survey in the Barents Sea and the adjacent waters August-October 2023 — Marine environment, Mesozooplankton, Commercial Demersal Fish, Fish Biodiversity, Commercial Shellfish, Benthic Invertebrate Community, Marine Mammals and Seabirds
Prozorkevich, Dmitri; Eriksen, Elena; Karlson, Stine; Trofimov, Aleksander; Ingvaldsen, Randi Brunvær; Grøsvik, Bjørn Einar; Prokhorova, Tatiana; Klepikovskiy, Roman; Bagøien, Espen; Johannesen, Edda; Bogstad, Bjarte; Wiedmann, Magnus Aune; Krivosheya, Pavel; Prokopchuk, Irina; Windsland, Kristin; Russkikh, Alexey; Wienerroither, Rupert; Filin, Anatoly; Zimmermann, Fabian; Hjelset, Ann Merete; Danielsen, Hanna Ellerine Helle; Bakanev, sergei; Stesko, Aleksei; Jørgensen, Lis Lindal; Blinova, Daria; Boehm, Frederike; Øien, Nils Inge; Strelkova, Natalia; Kudrayashova, Alexander; Fauchald, Per; Ollus, Victoria Marja Sofia; Ford, Jonathan; Elton, Gary (IMR/PINRO Joint Report Series;2024 - 9, Research report, 2024)The aim of the joint Norwegian/Russian ecosystem survey in the Barents Sea and adjacent waters, August-October (BESS) is to monitor the status and changes of in the Barents Sea ecosystem. The survey has since 2004 been ... -
Survey report from the joint Norwegian/Russian Ecosystem Survey in the Barents Sea and the adjacent waters August- December 2022
Johansen, Geir Odd; Trofimov, Alexander; Ingvaldsen, Randi Brunvær; Prokhorova, Tatiana; Grøsvik, Bjørn Einar; Krivosheya, Pavel; Bagøien, Espen; Lerch, Sarah Joanne; Prokopchuk, Irina; Eriksen, Elena; Husson, Berengere; Skaret, Georg; Johannesen, Edda; Bogstad, Bjarte; Windsland, Kristin; Höffle, Hannes; Wienerroither, Rupert; Hvingel, Carsten; Dolgov, Andrey; Hjelset, Ann Merete; Bakanev, Sergey; Stesko, Aleksei; Jørgensen, Lis Lindal; Øien, Nils Inge; Boehm, Frederike; Strelkova, Natalia; Blinova, Daria; Klepikovskiy, Roman; Fauchald, Per (IMR/PINRO Joint Report Series, Research report, 2023)The aim of the joint Norwegian/Russian ecosystem survey in the Barents Sea and adjacent waters, August-October (BESS) is to monitor the status and changes in the Barents Sea ecosystem and provide data to support stock ... -
Towards eDNA informed biodiversity studies – Comparing water derived molecular taxa with traditional survey methods
Westgaard, Jon-Ivar; Præbel, Kim; Arneberg, Per; Ulaski, Brian P.; Ingvaldsen, Randi Brunvær; Wangensteen, Owen S.; Johansen, Torild (Peer reviewed; Journal article, 2024)Managing natural resources in a sustainable manner requires understanding the complexity of ecosystems and the species that are associated with the different parts of the ecosystem. Much of this knowledge is derived from ... -
Under-ice observations by trawls and multi-frequency acoustics in the Central Arctic Ocean reveals abundance and composition of pelagic fauna
Ingvaldsen, Randi Brunvær; Eriksen, Elena; Gjøsæter, Harald; Engås, Arill; Schuppe, Birte Katarina; Assmann, Karen; Cannaby, Heather Anne; Dalpadado, Padmini; Bluhm, Bodil (Peer reviewed; Journal article, 2023)The rapid ongoing changes in the Central Arctic Ocean call for baseline information on the pelagic fauna. However, sampling for motile organisms which easily escape vertically towed nets is challenging. Here, we report the ... -
Variability and redistribution of heat in the Atlantic Water boundary current north of Svalbard
Renner, Angelika; Sundfjord, Arild; Janout, Markus; Ingvaldsen, Randi Brunvær; Beszczynska, Agnieszka; Pickart, Robert S.; Peréz-Hernández, M. Dolores (Journal article; Peer reviewed, 2018)We quantify Atlantic Water heat loss north of Svalbard using year‐long hydrographic and current records from three moorings deployed across the Svalbard Branch of the Atlantic Water boundary current in 2012–2013. The ... -
Weakening of Cold Halocline Layer Exposes Sea Ice to Oceanic Heat in the Eastern Arctic Ocean
Polyakov, Igor V.; Rippeth, Tom; Fer, Ilker; Alkire, Matthew B.; Carmack, Eddy; Ingvaldsen, Randi Brunvær; Ivanov, Vladimir V.; Janout, Markus; Lind, Sigrid; Padman, Laurie; Pnyushkov, Andrey V.; Rember, Robert (Peer reviewed; Journal article, 2020)A 15-yr duration record of mooring observations from the eastern (>70°E) Eurasian Basin (EB) of the Arctic Ocean is used to show and quantify the recently increased oceanic heat flux from intermediate-depth (~150–900 m) ...