Bilde av Reigstad, Marit
Bilde av Reigstad, Marit
Department of Arctic and Marine Biology marit.reigstad@uit.no +4777644525 90110092 You can find me here

Marit Reigstad


Professor

Job description

Professor in marine ecology

Project leader The Nansen Legacy


  • Marti Amargant I Arumi, Oliver Müller, Yasemin Vicdan Bodur, Iliana Vasiliki Ntinou, Tobias Vonnahme, Philipp Kurt Wolf Assmy et al.:
    Interannual differences in sea ice regime in the north-western Barents Sea cause major changes in summer pelagic production and export mechanisms
    Progress in Oceanography 2024 DOI
  • Angelika Renner, Allison Michelle Bailey, Marit Reigstad, Arild Sundfjord, Melissa Chierici, Elizabeth Marie Jones :
    Hydrography, inorganic nutrients and chlorophyll a linked to sea ice cover in the Atlantic Water inflow region north of Svalbard
    Progress in Oceanography 2023 ARKIV / DOI
  • Yasemin V. Bodur, Paul E. Renaud, Lucie Goraguer, Marti Amargant-Arumi, Philipp Assmy, Anna Maria Dabrowska et al.:
    Seasonal patterns of vertical flux in the northwestern Barents Sea under Atlantic Water influence and sea-ice decline
    Progress in Oceanography 2023 DATA / ARKIV / DOI
  • Doreen Kohlbach, Lucie Goraguer, Yasemin V. Bodur, Oliver Müller, Martí Amargant Arumí, Katalin Blix et al.:
    Earlier sea-ice melt extends the oligotrophic summer period in the Barents Sea with low algal biomass and associated low vertical flux
    Progress in Oceanography 2023 ARKIV / DOI
  • Sebastian Gerland, Randi Brunvær Ingvaldsen, Marit Reigstad, Arild Sundfjord, Bjarte Bogstad, Melissa Chierici et al.:
    Still Arctic? — The changing Barents Sea
    Elementa: Science of the Anthropocene 2023 ARKIV / DOI
  • Torkild Jemterud, Marit Reigstad :
    Abels tårn
    19. January 2024
  • Hanne Hammer Stien, Kåre Aleksander Grundvåg, Lilli Mittner, Marie-Theres Federhofer, Jonathan Crossen, Marit Reigstad :
    Antropocene in the Arctic
    2024
  • Christoph Schneider, Marit Reigstad, Hanne Hammer Stien, Kåre Aleksander Grundvåg, Marie-Theres Federhofer, Lilli Mittner :
    Side Event: The Arctic in the Anthropocene
    2024
  • Paul Eric Renaud, Trude Kristin Borch, Marit Reigstad, Rolf Rødven, Øyvind Rinaldo :
    Science and societal impact from the Nansen Legacy project
    Fram Forum 2023
  • Camilla Brekke, Svein Stølen, Marit Reigstad, Eivind Vad Petersson, Thor Arne Håverstad, Rolf Skatteboe et al.:
    FRA HVITT TIL BLÅTT: KUNNSKAP OG FORVALTNING AV FRAMTIDENS POLHAV
    2023
  • Marit Reigstad :
    Skolelab-lecture for finnish students: Arctic development - A marine climate and ecosystem in rapid change
    2023
  • Jessie Gardner, Marit Reigstad, Rolf Rudolf Gradinger, Lasse Mork Olsen, Oliver Müller, Benjamin Lange et al.:
    Are particle fluxes below pressure ridges greater than below first-year ice in the central Arctic Ocean winter and summer?
    2023
  • Marit Reigstad :
    The Nansen Legacy and Arctic Marine Research - for the Australian ambassador to Norway, Denmark and Iceland
    2023
  • Marit Reigstad, Erin Kunisch, Tor Eldevik, Sebastian Gerland :
    The Nansen Legacy - changing Arctic climate and ecosystem responses
    2023
  • Marit Reigstad :
    Status of the Arctic: A marine climate and ecosystem in rapid change
    2023
  • Marit Reigstad :
    State of the world- and Arctic oceans. Challenges for humanities and social sciences
    2023
  • Marit Reigstad :
    Arven etter Nansen - relevans for Overvåkingsgruppen
    2023
  • Marit Reigstad :
    Fram Fram til Kronprins Haakon: Arven etter Nansen møter et Ishav i endring
    2023
  • Marit Reigstad :
    Towards the new Arctic Ocean
    2023
  • Marit Reigstad, Tor Eldevik, Sebastian Gerland :
    The Nansen Legacy. Compiling results on the changing Arctic climate and ecosystem responses
    2023
  • Søren Rysgaard, Marit Reigstad, Heikki Lihavainen, Åshild Ønvik Pedersen, Marianne Kroglund, Ruth Astrid Sæter :
    Panel debate: How to bring it all together
    2023
  • Angelika Renner, Allison Michelle Bailey, Marit Reigstad, Arild Sundfjord, Melissa Chierici, Elizabeth Marie Jones :
    Hydrography, Inorganic Nutrients and Chlorophyll a Linked to Sea Ice Cover in the Atlantic Water Inflow Region North of Svalbard
    2023
  • Yasemin Vicdan Bodur, Paul Eric Renaud, Ingrid Wiedmann, Philipp Kurt Wolf Assmy, Marit Reigstad :
    Composition and Regulating Mechanisms of Downward Carbon Flux on Arctic Shelves
    2023
  • Angelika Renner, Allison Michelle Bailey, Arild Sundfjord, Marit Reigstad :
    Impact of sea ice on late summer/early winter hydrography and nutrient concentrations in the Atlantic Water inflow north of Svalbard
    2023
  • Angelika Renner, Arild Sundfjord, Marit Reigstad, Øyvind Lundesgaard, Allison Michelle Bailey, Melissa Chierici et al.:
    Intra- and interannual variability of the Atlantic Water inflow to the Arctic Ocean
    2023
  • Michael Karcher, Marit Reigstad, Arild Sundfjord, Jeremy Wilkinson :
    An Observing System that Serves Society’s Needs in a Future Arctic
    2023
  • Rolf Rudolf Gradinger, Marti Amargant I Arumi, Philipp Kurt Wolf Assmy, Bodil Annikki Ulla Barbro Bluhm, Yasemin Vicdan Bodur, Gunnar Bratbak et al.:
    Ranges of Annual Production in the Barents Sea along Environmental Gradients
    2023
  • Anna Nikolopoulos, Arild Sundfjord, Marit Reigstad, Igor Polyakov, Jacqueline Grebmeier, Craig Lee et al.:
    Developing a Pan-Arctic Network of Distributed Biological Observatories
    2023
  • Yasemin Vicdan Bodur, Maria Guadalupe Digernes, Marti Amargant I Arumi, Jeffrey Hawkes, Ulrike Dietrich, Tobias Kielland et al.:
    Increased DOM lability and depletion of the POM inventory during winter in an Arctic fjord (Ramfjord, Tromsø)
    2023
  • Yasemin Vicdan Bodur, Paul Eric Renaud, Lucie Helene Marie Goraguer, Marti Amargant I Arumi, Philipp Kurt Wolf Assmy, Anna Maria Dabrowska et al.:
    Seasonal patterns of vertical flux in the northern Barents Sea under Atlantic Water influence and sea-ice decline
    2023
  • Marit Reigstad, Lars-Anders Breivik :
    Changing sea ice conditions in the northern Barents Sea – implications for maritime activities
    2023
  • Marit Reigstad :
    Forskingskonferanse vil sette Polhavet på kartet
    Nationen 2023
  • Agneta Fransson, Melissa Chierici, Bodil Annikki Ulla Barbro Bluhm, Marit Reigstad :
    M. Into the deep Central Arctic Ocean – results from the Nansen Legacy Arctic Basin expedition 2021
    2023
  • Agneta Fransson, Melissa Chierici, Bodil Annikki Ulla Barbro Bluhm, Marit Reigstad :
    Into the deep central Arctic Ocean – results from the Nansen Legacy expedition 2021
    2023
  • Live Oftedahl, Martin Ludvigsen, Marit Reigstad :
    The past and future of the Arctic Ocean are on the agenda at a major research conference this week
    2023 DATA
  • Rolf Rudolf Gradinger, Marit Reigstad, Tor Eldevik, Sebastian Gerland :
    The Nansen Legacy
    2023
  • Agneta Fransson, Melissa Chierici, Vidar Suren Lien, Marit Reigstad, Laura de Steur, Are Olsen :
    Overview of Norwegian cruises and contributions to SAS
    2023
  • Tassawer Hussain, Marit Reigstad, Yasemin Vicdan Bodur, Griselda Anglada Ortiz :
    Seasonal Variations in Vertical Flux of particulate matter and composition in the Northern Barents Sea
    UiT Norges arktiske universitet 2023
  • Muhammad Asim, Camilla Brekke, Torbjørn Eltoft, Marit Reigstad :
    Optical remote sensing of water quality parameters retrieval in the Barents Sea
    UiT Norges arktiske universitet 2023
  • Marti Amargant I Arumi, Oliver Müller, Yasemin Vicdan Bodur, Iliana Vasiliki Ntinou, Tobias Vonnahme, Philipp Kurt Wolf Assmy et al.:
    Lower trophic level carbon fluxes in two summers of contrasting ice conditions
    2023
  • Marit Reigstad, Sebastian Gerland, Tor Eldevik, Erin Kunisch, Ingrid Wiedmann, Arild Sundfjord et al.:
    The Nansen Legacy project invites you to its upcoming international symposium in November 2023
    2023
  • Marit Reigstad :
    Hva skjer i Barentshavet?
    2022
  • Marit Reigstad :
    Opportunities and challenges for in-situ observing in the Arctic: The Nansen Legacy
    2022
  • Marit Reigstad :
    Seasonal sea ice domain: The Barents Sea
    2022
  • Nikolopoulos Anna, Marit Reigstad, Arild Sundfjord :
    Atlantic-Arctic DBO
    2022
  • Marit Reigstad :
    Arctic development: A marine climate and ecosystem in rapid change
    2022
  • Marit Reigstad :
    Arven etter Nansen utforsker et Barentshav i endring – hva skjer?
    2022
  • Marit Reigstad :
    Arctic Ocean space from a climate and ecosystem perspective
    2022
  • Andreas Solberg Wahl, Marit Reigstad :
    Kaffe med en forsker
    24. September 2022
  • Marit Reigstad :
    Hvordan står det egentlig til med havet?
    2022

  • The 50 latest publications is shown on this page. See all publications in Cristin here →

    Publications outside Cristin

    Popular scientific communication:

    Berge J, Hoel AH, Reigstad M (2022) FN sitt tiår for havforskning og Arktis: internasjonal samarbeid under press (in norwegian). Kronikk Nordlys 24 mars 2022.

    Hald M, Reigstad M (2021) Klimaet er garderoben din, været er dagens antrekk (in norwegian). Kronikk Nordlys 12 november 2021.

    Seuthe L, Bluhm B, Reigstad M, Steer A, Lundesgaard Ø, Gerland S, Fransson A, Müller M (2021) Beyond satellite observations of sea ice. Fram Forum s 77-83. 

    Reigstad M (2020) Isbryteren "Kronprins Haakon" og Arven etter Nansen (in norwegian). In: "Kronprins Haakon" Ed. Stig Mathisen ISBN: 978-82-8104-440-1

    Reigstad M, Eldevik T, Gerland S (2019) The Nansen Legacy. Fram Forum s 100-105.

    Reigstad M, Berge J (2018) Life along a moving edge - the ecosystems of the seasonal ice zone. In: At the edge ISBN:978-82-8104-299-5

    Reigstad M (2018) Hvorfor skal vi bry oss om Arktiske hav? Kronikk Nordlys 29.10.2018

    Eldevik T, Reigstad M (2014) Arven etter Nansen. Kronikk, Bergens Tidende 01.04.2014.

    Reigstad M, Hansen E, Gerland S (2008). Framstredet tar tempen på Arktis. OTTAR 272: 3-11.

    Wassmann P, Reigstad M (2007).  Klima og økosystemrespons i Barentshavet. Klima 1, 41-43

     

    Reports:

    Fauchald, Per; Arneberg, Per; Berge, Jørgen; Gerland, Sebastian; Kovacs, Kit M.; Reigstad, Marit; Sundet, Jan Henry. An assessment of MOSJ - The state of the marine environment around Svalbard and Jan Mayen. Tromsø: Norsk Polarinstitutt 2014 (ISBN 978-82-7666-301-3) 43 s.


    Research interests

    • Arctic and subarctic ecosystems
    • Plankton
    • Pelagic-benthic coupling
    • Ecosystems respons to a changing climate

    Focus regions are the Barents Sea, Arctic Ocean, Fram Strait, coast and sub-Arctic fjords

    Project leader The Nansen Legacy (www.nansenlegacy.org)

    ARCTOS network member (www.arctos.uit.no)

    Research group Arctic Marine Systems Ecology (AMSE)

    Research projects:

    The Nansen Legacy (PI)

    Polar Ocean Mitigation Potential (POMP), WP co-lead

    Arctic Passion (Atlantic Arctic DBO, Steering group)

    HAVOC (Ridge vertical flux)

    A-TWAIN (Arctic slope observatory)

    CLEAN (Cumulative impact of multiple stressors - case study Barents Sea)

    DOGA (Law of the Sea project on ocean governance and implementation of ecosystem based approach to management, member of scientific advisory group)

    Teaching

    Reduced teaching till 2025 due to the Nansen Legacy

    • Bio-3015 Arctic marine systems ecology
    • PhD and Master students

    Member of research group


    CV

    Marit Reigstad, professor UiT

    https://orcid.org/0000-0002-8592-7192, B-2497-2013

    Education

    2018: Research leader program. Consolidating level, UiO

    2015: Pedagogical basic competence, incl. teaching portefolio, UiT

    2000: Ph.D. Marine ecology. Department of marine biology, University of Tromsø

    Positions - current and previous
    2009-: Professor Marine ecology, Department of Arctic and marine biology, UiT the Arctic University of Norway, Norway
    2001-2008: Post doc and researcher on soft money (EU, Research Council of Norway, Nordic Ministry, Industry, Tromsø Forskningsstiftelse), Department of Arctic and marine biology, University of Tromsø, Norway
    1995-2000: PhD candidate, University of Tromsø, Norway

    Career breaks
    07/1997-06/1998: Maternity leave

    12/2000-08/2001: Maternity leave

    Project management experience (some selected)

    Year - Project owner - Project - Role - Funder
    2021-2024: AWI, Germany, Arctic PASSION, participant/lead team, EU Horizon 2020
    2018-2024: UiT The Arctic University of Norway, The Nansen Legacy, PI, RCN, Government
    2017: UiT The Arctic University of Norway, The Nansen Legacy pre-project, PI, Government
    2013-2017: UiT The Arctic University of Norway, CarbonBridge -Bridging marine productivity regimes: How Atlantic inflow affects productivity, carbon cycling and export in a melting Arctic Ocean, PI, RCN
    2012- : Norwegian Polar Institute, A-TWAIN Long term variability and trends in the Atlantic Water inflow region, Participant, Fram Centre
    2009-2013: UiT The Arctic University of Norway, CONFLUX -on vertical flux regulation, co-PI, Tromsø Research Foundation
    2007-2009: MET Norway, iAOOS Norway- Closing the loop, WP-leader, RCN
    2006-2008: University of Tromsø, Arctic Calanus in the Barents Sea ecosystem, WP leader, StatoilHydro

    Supervision of students

    5 Master's students
    17 Ph.D. students (1 in progress)
    4 post docs

    Other relevant professional experiences  
    Scientific advisory Boards: 2022- DOGA (Law of the Sea project); 2020- Ocean Networks of Canada; 2018 - 2022 Scientific Liaison Panel ARICE (EU); 2018-2021 STRESSOR (RCN); 2012-2018 ICE Centre Norwegian Polar Institute

    Governmental panels/ delegate: 2019-2020 UN Ocean decade – Norwegian expert panel; 2011-2018 IASC Marine Working Group delegate; 2008-2009 KLIMA 21 white paper panel

    Scientific meeting org.: 2023 International Nansen legacy symposium - Towards the new Arctic Ocean (organiser); 2017 Arctic Frontiers (session Chair); 2017 MOSAiC workshop (session co-chair); 2014 Arctic Change conference; Canada (session co-organiser); 2012 Biological C-pump workshop (co-organiser); 2007 Arctic Frontiers conference (co-organiser)

    Institutional responsibilities: 2022 – Mohn Prize steering group; 2016 - Board of Tromsø Research Foundation; 2017- Research Ice breaker cruise planning committee; 2010-2014 Faculty Board deputy member

    Memberships: 2018-Fellow Academia Borealis Nordnorsk vitenskapsakademi, 2012-Fellow of the Norwegian Scientific Academy for Polar Research, 2003-ARCTOS network, 1993-ASLO

    10 selected publications (out of 81 peer reviewed per nov 2022)

    1)     Dybwad C, Lalande C, Bodur YV, Henley SF, Cottier F, Ershova EA, Hobbs L, Last KS, Dąbrowska AM, Reigstad M (2022). The Influence of Sea Ice Cover and Atlantic Water Advection on Annual Particle Export North of Svalbard. JGR Oceans 127: e2022JC018897 (PhD lead, supervisor)

    2)     Vernet M, Carstensen J, Reigstad M and Svensen C (2020). Editorial: Carbon Bridge to the Arctic. Front. Mar. Sci. 7:204. doi: 10.3389/fmars.2020.00204 (Co-editor of topic, co-writer)

    3)     Olli K, E Halvorsen, M Vernet, PJ Lavrentyev, M Sanz-Martín, ML Paulsen, M. Reigstad (2019). Food web functions and interactions during spring and summer in the Arctic Water inflow region: Investigated through inverse modelling (2019). Front. Mar. Sci 6, 244,  

    doi.org/10.3389/fmars.2019.00244, (co-developed idea, data, writing)

    4)     Wiedmann I, Tremblay J-É, Sundfjord A, Reigstad M (2017). Upward nitrate flux and downward particulate organic carbon flux under contrasting situations of stratification and turbulent mixing in an Arctic shelf sea. Elem Sci Anth. 5:43. DOI: http://doi.org/10.1525/elementa.235 (PhD lead, supervisor)

    5)     Randelhoff A, Fer I, Sundfjord A, Tremblay JE, Reigstad M (2016). Vertical fluxes of nitrate in the seasonal nitracline of the Atlantic sector of the Arctic Ocean. J Geophys. Res. Oceans 121(7): 5258-5285 doi.org/10.1002/2016JC011779 ((PhD lead, supervisor)

    6)     Tremblay JE, Anderson LG, Matrai P, Coupel P, Belanger S, Michel C, Reigstad, M (2015). Global and local drivers of nutrient supply, primary production and CO2 drawdown in the changing Arctic Ocean. Prog. Oceanogr. 139: 171-196 doi.org/10.1016/j.pocean.2015.08.009 (co-developed parts of idea, data, writing)

    7)     Hunt Jr GL, Blanchard AL, Boveng P, Dalpadado P, Drinkwater KF, Eisner L, Hopcroft RR, Kovacs KM, Norcross BL, Renaud P, Reigstad M, Renner M, Skjoldal HR, Whitehouse A, Woodgate RA (2013) The Barents and Chukchi Seas: Comparison of two Arctic shelf ecosystems. Journal of Marine Systems 109–110: 43-68 doi.org/10.1016/j.jmarsys.2012.08.003 (discussions, contributed to Barents Sea writing)

    8)     Tamelander T, Reigstad M, Olli K, Slagstad D, Wassmann P (2013). New Production Regulates Export Stoichiometry in the Ocean. PLOS ONE 8(1): e54027 doi:10.1371/journal.pone.0054027 (co-developed idea, discussions, writing)

    9)     Wassmann P, Reigstad M (2011). Future Arctic Ocean seasonal ice zones and implications for pelagic-benthic coupling. Oceanogr. 24: 220-231 doi.org/10.5670/oceanog.2011.74 (co-developed idea, discussions, writing)

    10)  Reigstad M, Carroll J, Slagstad D, Ellingsen I, Wassmann P (2011). Intra-regional comparison of productivity, carbon flux and ecosystem composition within the northern Barents Sea. Prog. Oceanogr. 90: 33-46 DOI: 10.1016/j.pocean.2011.02.005 (lead)

    Invited presentations (some selected)

    2023 The Nansen memoral lecture 2023. The Norwegian Acedemy of Science and Letters, Oslo

    2022 Arctic Ocean space from a climate and ecosystem perspective. NCLOS conference. Invited keynote speaker. Tromsø, Norway.

    2022 Seasonal Sea ice zone – the Barents Sea. 5th Pan Arctic symposium. Invited speaker. Motovun, Croatia.

    2022 The Nansen Legacy. Arctic ROOS – Opportunities and challenges for in-situ ocean observing in the Arctic. Online workshop.

    2020 Primary production in an emerging new Arctic: Driving mechanisms and potential fate. Synoptic Arctic Survey Webinar -A new Arctic emerging. Digital, international. Invited speaker.

    2019 Exploring the dark in the spirit of Nansen. Svalbard Science Conference. Invited speaker. Oslo, Norway

    2019 Barents Sea Fisheries: Informing Management Under Rapid Change- Invited speaker and panelist. Arctic Futures 2050. Washington, USA.

    2019  The Atlantic water inflow to the Arctic Ocean – impact on production and ecosystem. Gordon Polar Research Conference, Invited speaker, Lucca, Italy

    2018  Chinese -Nordic Arctic Research Conference, Invited speaker, Tromsø, Norway

    2018  Norwegian Academy of Science and Letters, Polar Ocean Day, Ecosystem evolution in the Polar Ocean as the sea ice retreats, Invited speaker, Oslo Norway.

    2017  STARMUS festival, Marine Day, Knowledge as basis for sustainable use in a changing Arctic Ocean, Invited speaker, Trondheim, Norway.

    2015  Rapid changes in the Arctic– impact on plants and animals. Invited speaker. Norwegian Technological Academy of Sciences seminar, Tromsø, Norway.

    2013 What´s in the zooplankton box: Challenges for regional downscaling of ecosystem functions and flows. Invited speaker. Gordon Conference on Polar Research, Ventura, USA.

    2012  Footprints of anthropogenic impacts on marine ecosystems. Invited speaker. IPY conference, Montreal, Canada.

    2011: Pelagic-benthic coupling and important regulating mechanisms across the European Arctic and sub-Arctic regions. Invited speaker. ESSAS Open Science meeting “Comparative Studies of Climate Effects on Polar and Sub-Polar Ecosystems: Progress in Observation and Prediction”. Seattle, USA.

     

    Research expeditions that the applicant Principal Investigator has led: Reigstad has organized/ co-organized >12 Arctic multidisciplinary research expeditions since 2003, and been chief scientist on five of these. This include research cruises to Barents Sea, European Arctic Basin, East Greenland Shelf on the RV icebreaker Kronprins Haakon, RV Helmer Hanssen, KV Svalbard. Participating researchers 20-36. 3-6 weeks duration.

    Organisation of international conferences

    2012: Arctic Ocean outflow shelves: Physical and ecological characteristics, function and future perspectives. 3rd Pan-Arctic conference, Motovun, Croatia (Co-organiser)

    2007  Arctic Frontier Science conference, Tromsø, Member of organizing committee (240 participants)

    1997  Symposium “Sedimentation and recycling in aquatic systems” 4.th Nordic Sediment Trap Association Symposium, Tartu, Estonia. (Co-organiser).

     

    Awards

    2016  Research Award, Faculty of Biosciences, Fisheries and Economics, UiT

    2022 Outreach award, Faculty of Biosciences, Fisheries and Economics, UiT