Bilde av Gradinger, Rolf Rudolf
Bilde av Gradinger, Rolf Rudolf
Professor Department of Arctic and Marine Biology rolf.gradinger@uit.no +4777644514 You can find me here

Rolf Rudolf Gradinger



  • Allison A. Fong, Clara J. M. Hoppe, Nicole Aberle, Carin Ashjian, Philipp Kurt Wolf Assmy, Youcheng Bai et al.:
    Overview of the MOSAiC expedition: Ecosystem
    Elementa: Science of the Anthropocene 2024 ARKIV / DOI
  • Cheshtaa Chitkara, Thomas Juul-Pedersen, Diana Krawczyk, Janne Søreide, Anna Vader, Rolf Rudolf Gradinger et al.:
    Seasonality in phytoplankton communities and production in three Arctic fjords across a climate gradient
    Progress in Oceanography 2024 ARKIV / DOI
  • Lars Chresten Lund-Hansen, Rolf Rudolf Gradinger, Brandon Hassett, Sahan Jayasinghe, Fraser Kennedy, Andrew Martin et al.:
    Sea ice as habitat for microalgae, bacteria, virus, fungi, meio- and macrofauna: A review of an extreme environment
    Polar Biology 2024 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
  • Miriam Marquardt, Lucie Hélène Marie Goraguer, Philipp Kurt Wolf Assmy, Bodil Annikki Ulla Barbro Bluhm, Signe Aaboe, Emily Down et al.:
    Seasonal dynamics of sea-ice protist and meiofauna in the northwestern Barents Sea
    Progress in Oceanography 2023 ARKIV / DOI
  • Erin Kunisch, Martin Graeve, Rolf Rudolf Gradinger, Hauke Flores, Øystein Varpe, Bodil Bluhm :
    What we do in the dark: Prevalence of omnivorous feeding activity in Arctic zooplankton during polar night
    Limnology and Oceanography 2023 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
  • Maxime Geoffroy, Caroline Bouchard, Hauke Flores, Dominique Robert, Harald Gjøsæter, Carie Hoover et al.:
    The circumpolar impacts of climate change and anthropogenic stressors on Arctic cod (Boreogadus saida) and its ecosystem
    Elementa: Science of the Anthropocene 2023 ARKIV / DOI
  • Vanessa Pitusi, Rolf Rudolf Gradinger, Janne Søreide :
    Temporal and spatial variability of sympagic metazoans in a high-Arctic fjord, Svalbard
    Frontiers in Marine Science 2023 ARKIV / DOI
  • Zoé Lulu Forgereau, Benjamin A. Lange, Rolf Gradinger, Philipp Assmy, Janina E. Osanen, Laura Martín Garcia et al.:
    Photophysiological responses of bottom sea-ice algae to fjord dynamics and rapid freshening
    Frontiers in Marine Science 2023 ARKIV / DOI
  • Laura Castro de la Guardia, Tania Hernández Fariñas, Christian Marchese, Marti Amargant I Arumi, Paul G. Myers, Simon Bélanger et al.:
    Assessing net primary production in the northwestern Barents Sea using in situ, remote sensing and modelling approaches.
    Progress in Oceanography 2023 ARKIV / DOI
  • Eleanor Ruth Handler, Sebastian Andersen, Rolf Rudolf Gradinger, Maeve Mcgovern, Anna Vader, Amanda Elizabeth Poste :
    Seasonality in land-ocean connectivity and local processes control sediment bacterial community structure and function in a High Arctic tidal flat
    FEMS Microbiology Ecology 2023 ARKIV / DOI
  • 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 2023 ARKIV / DOI
  • Marcel Nicolaus, Donald Perovich, Gunnar Spreen, Mats Granskog, Luisa von Albedyll, Michael Angelopoulos et al.:
    Overview of the MOSAiC expedition: snow and sea ice
    Elementa: Science of the Anthropocene 2022 ARKIV / DOI
  • Benjamin Rabe, Céline Heuzé, Julia Regnery, Yevgeny Aksenov, Jacob Allerholt, Marylou Athanase et al.:
    Overview of the MOSAiC expedition: physical oceanography
    Elementa: Science of the Anthropocene 2022 ARKIV / DOI
  • Karley Campbell, Benjamin Lange, Jack Christopher Landy, Christian Katlein, Marcel Nicolaus, Philipp Anhaus et al.:
    Net heterotrophy in High Arctic first-year and multi-year spring sea ice
    Elementa: Science of the Anthropocene 2022 ARKIV / DOI
  • Thomas Mock, William Boulton, John-Paul Balmonte, Kevin Barry, Stefan Bertilsson, Jeff Bowman et al.:
    Multiomics in the central Arctic Ocean for benchmarking biodiversity change
    PLoS Biology 2022 ARKIV / DOI
  • Evan Patrohay, Rolf Rudolf Gradinger, Miriam Marquardt, Bodil Bluhm :
    First trait-based characterization of Arctic ice meiofauna taxa
    Polar Biology 2022 ARKIV / DOI
  • Paul Eric Renaud, Malin Hildegard Elisabeth Daase, Eva Susanne Leu, Maxime Geoffroy, Sünnje Linnéa Basedow, Mark Inall et al.:
    Extreme mismatch between phytoplankton and grazers during Arctic spring blooms and consequences for the pelagic food-web
    Progress in Oceanography 2024 DOI
  • Oliver Müller, Jessie Gardner, Lasse Olsen, Aud Larsen, Gunnar Bratbak, Tatiana Tsagaraki et al.:
    Arctic Sea ice ridges: Complex havens of biodiversity with astonishing community changes from ridge formation to melting and summer consolidation
    2024
  • Rolf Rudolf Gradinger :
    Science shines in the freezing cold winter Barents Sea
    2024 FULLTEKST
  • Rolf Rudolf Gradinger :
    Sommer in der Arktis – ein heisses Thema
    2024
  • Rolf Rudolf Gradinger, Marit Klemetsen Arneberg :
    Ny studie: Mikroalger har betydning for livet i tidevannssonen
    2024 FULLTEKST
  • Rolf Rudolf Gradinger :
    Arctic and Antarctic marine ecosystem – responses to environmental change
    2024
  • Rolf Rudolf Gradinger :
    Arktische Landschaften
    2023
  • Miriam Marquardt, Ulrike Dietrich, Bodil Annikki Ulla Barbro Bluhm, Rolf Rudolf Gradinger :
    Sea-ice meiofauna biodiversity from the Nansen Legacy joint cruise JC1-2 (cruise number: 2018707) [Data set].
    2023 DATA
  • Miriam Marquardt, Bodil Annikki Ulla Barbro Bluhm, Rolf Rudolf Gradinger :
    Sea-ice meiofauna biodiversity from the Nansen Legacy cruise Q3 (cruise number: 2019706) [Data set].
    2023 DATA
  • Miriam Marquardt, Bodil Annikki Ulla Barbro Bluhm, Rolf Rudolf Gradinger :
    Sea-ice meiofauna biodiversity from the Nansen Legacy cruise Q2 (cruise number: 2021704) [Data set].
    2023 DATA
  • Miriam Marquardt, Haakon Hop, Amalia Keck, Peter Leopold, Mikko Vihtakari, Bodil Annikki Ulla Barbro Bluhm et al.:
    Sea-ice associated fauna biodiversity sampled by divers under the ice from the Nansen Legacy cruise Q2 (cruise number: 2021704) [Data set].
    2023 DATA
  • Miriam Marquardt, Evan Patrohay, Lucie Hélène Marie Goraguer, Bodil Annikki Ulla Barbro Bluhm, Rolf Rudolf Gradinger :
    Sea-ice meiofauna biodiversity from the Nansen Legacy joint cruise JC3 (cruise number: 2022702) [Data set].
    2023 DATA
  • Miriam Marquardt, Bodil Annikki Ulla Barbro Bluhm, Rolf Rudolf Gradinger :
    Sea-ice meiofauna biodiversity from the Nansen Legacy cruise Q4 (cruise number: 2019711) [Data set].
    2023 DATA
  • Miriam Marquardt, Bodil Annikki Ulla Barbro Bluhm, Rolf Rudolf Gradinger :
    Sea-ice meiofauna biodiversity from the Nansen Legacy joint cruise JC2-2 (cruise number: 2021710) [Data set].
    2023 DATA
  • Miriam Marquardt, Vanessa Pitusi, Bodil Annikki Ulla Barbro Bluhm, Rolf Rudolf Gradinger :
    Sea-ice meiofauna biodiversity from the Nansen Legacy joint cruise JC2-1 (cruise number: 2021708) [Data set].
    2023 DATA
  • Miriam Marquardt, Philipp Assmy, Bente Edvardsen, Lucie Hélène Marie Goraguer, Rolf Rudolf Gradinger, Evan Patrohay et al.:
    Seasonal dynamics of sea ice protists and meiofauna in the northern Barents Sea
    2023
  • Lucie Hélène Marie Goraguer, Philipp Assmy, Doreen Kohlbach, Melissa Chierici, Anna Maria Dabrowska, Rolf Rudolf Gradinger et al.:
    Seasonality of pelagic protist communities in the Barents Sea
    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
  • Eva Susanne Leu, Karley Campbell, Megan Lenss, Anna Miettinnen, Rolf Rudolf Gradinger, Sünnje Linnéa Basedow et al.:
    High Spring Productivity across the Barents Sea Polar Front: Hotspot or Mismatch?
    2023
  • Lucie Hélène Marie Goraguer, Philipp Kurt Wolf Assmy, Doreen Kohlbach, Melissa Chierici, Anna Maria Dabrowska, Rolf Rudolf Gradinger et al.:
    Seasonality of Pelagic Protist Communities in the Barents Sea
    2023
  • Miriam Marquardt, Lucie Hélène Marie Goraguer, Philipp Kurt Wolf Assmy, Bodil Annikki Ulla Barbro Bluhm, Evan Patrohay, Signe Aaboe et al.:
    Seasonal dynamics of sea ice protists and meiofauna in the northwestern Barents Sea in relation to sea ice properties
    2023
  • Slawomir Kwasniewski, Andreas Altenburger, Philipp Kurt Wolf Assmy, Bodil Annikki Ulla Barbro Bluhm, Anna Maria Dabrowska, Bente Edvardsen et al.:
    Biodiversity in the northern Barents Sea and adjacent Nansen Basin – towards an updated inventory
    2023
  • Evgenii Salganik, Oliver Müller, Lasse Mork Olsen, Jessie Gardner, Benjamin Allen Lange, Rolf Rudolf Gradinger et al.:
    Hidden in Plain Sight – New Insights on Arctic Sea-Ice Ridges from the MOSAiC Expedition – an Overview
    2023
  • Marti Amargant I Arumi, Rolf Rudolf Gradinger :
    Sympagic and Pelagic Primary Production in the Northern Barents Sea: Seasonal and Spatial Variability in a Changing Inflow Shelf
    2023
  • Marti Amargant I Arumi, Rolf Rudolf Gradinger :
    Seasonal patterns of Primary Production in the Northern Barents Sea
    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
  • Laura Castro de la Guardia, Tania Hernández Fariñas, Christian Marchese, Marti Amargant I Arumi, Paul G. Myers, Simon Bélanger et al.:
    Phytoplankton Primary Production in the North- Western Barents Sea 1980-2021: No Obvious Trends but a Regime Shift Triggered by a Pulse of Atlantic Water
    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
  • Rolf Rudolf Gradinger, Marit Reigstad, Tor Eldevik, Sebastian Gerland :
    The Nansen Legacy
    2023
  • Janne Søreide, Rolf Rudolf Gradinger, Marti Amargant-Arumi, Rita Amundsen, Julie Blitz-Thorsen, Yasemin V. Bodur et al.:
    Seasonal cruise Q4 2019 : Cruise Report
    2022
  • Lucie Hélène Marie Goraguer, Philipp Assmy, Doreen Kohlbach, Melissa Chierici, Anna Maria Dabrowska, Rolf Rudolf Gradinger et al.:
    Seasonality of phytoplankton communities in the Barents Sea
    2022
  • Benjamin Lange, Janina Emilia Osanen, Karley Campbell, Ilkka Materp, Evgenii Salganik, Christian Katlein et al.:
    Biophysical characterization of summer Arctic sea ice habitats using a ROV- (and under-ice arm)-mounted Underwater Hyperspectral Imager
    2022

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    Research interests

    sea ice zone, phytoplankton, Arctic marine system ecology, primary production, ocean diversity


    Member of research group


    CV

    Curriculum Vitae

    • EDUCATION
    1986  Master in Biology
    Natural Science Faculty, University of Kiel, Germany
    1990  PhD in Marine Biology
    Natural Science Faculty, University of Kiel, Germany

    • CURRENT POSITION(S)
    2016- UiT, Department of Arctic and Marine Biology
    2014 -  Affiliated faculty, School of Fisheries and Ocean Sciences (SFOS), University of Alaska Fairbanks (UAF), USA

    • PREVIOUS ACADEMIC POSITIONS
    1992 – 2000  Assistant Professor (Hochschulassistent, Oberassistent): University of Kiel, Germany
    2001 – 2014  Assistant, Associate, and Full Professor in Oceanography, SFOS, UAF
    2011 – 2014  Associate Dean, SFOS, UAF (head of three SFOS academic programs: Fisheries, Oceanography, Marine Biology)


    • Research, awards - recent examples
    2001 – 2014  During tenure at UAF: Competitive grants awarded from e.g. U.S. National Science Foundation (NSF), U.S. National Oceanic and Atmospheric Administration, U.S. Bureau of Ocean Management, Alfred P. Sloan Foundation. 
    2013-2016  Example 1: NSF (PI): Diversity, seasonality and function of parasitic fungi in Arctic Sea ice. 
    2007–2014  Example 2: NSF (PI): BEST: Sea ice algae, a major food source for herbivorous plankton and benthos in the eastern Bering Sea 
    2009-2013 Example 3: NSF (Co-PI): Tracking the seasonal contribution of algal fatty acids to the Arctic marine system.
    2004-2010 Example 4: Alfred P. Sloan Foundation (PI): Arctic Ocean Diversity, a Census of Marine Life Project. 
    Publication impact (Google scholar, Oct 11, 2018): 5093 citations, h-index 44

    • SUPERVISION OF GRADUATE STUDENTS AND POSTDOCTORAL FELLOWS
    1992 – 2000   Number of PhD/ Master Students: 5 PhD, 3 MSc
    Natural Science Faculty, University of Kiel, Germany
    2001 – 2014 Number of PhD/ Master Students, main advisor: 1 PhD, 6 MSc; on additional student committees: 18, SFOS, UAF

    completed UiT course in Forskningsveiledning 2020-2021

    • TEACHING

    2016- Undergraduate and graduate level courses at UiT
    2011 – 2014 as Associate Dean responsible for all academic programs SFOS, UAF; total ca. 300 graduate students in fisheries, marine biology, oceanography.
    2014 Guest lecturer: University Courses in Svalbard (UNIS): winter ecology
    2001 – 2014  Faculty member: SFOS, UAF: graduate level core classes in Biological Oceangraphy, Polar Ecosystems, Marine Ecology, Sea ice processes, Phytoplankton, including field classes on sea ice ecology.
    1992 – 2000  Faculty member (Hochschulassistent, Oberassistent): University of Kiel, Germany, graduate level classes on polar marine ecosystems, marine birds, sea ice ecology, polar oceanography, climate change.
    2002- Public outreach web sites: e.g.
    http://www.alaskasealife.org/New/education/VFT/SEA_ICE_MELT_DOWN/SeaIceVFT_Introduction.php
    http://ipy.arcticportal.org/ipy-blogs/item/2177-ice-deployment-best-laid-plans

    • ORGANISATION OF SCIENTIFIC MEETINGS (some examples)
    2016 Session co-chair: PICES international zooplankton conference, Bergen, Norway
    2015  Theme co-chair for Arctic Frontiers Conference, Tromsø, Norway
    2011 – 2014 Steering committee of the Alaska Marine Science Symposium, USA
    2010 Session co-chair Arctic Frontiers Conference, Tromsø, Norway
    2008 Session chair at ASLO meeting, Orlando, USA
    2003 Session chair, Gordon Research Conference, Ventura, USA

    • INSTITUTIONAL RESPONSIBILITIES (some examples)
    2014 – 2015  Leader of Barents Sea and Polar Oceans program at Institute of Marine Research
    2011 – 2014  Associate Dean, SFOS, UAF, USA
    2012 – 2014 Director of Institute for Marine Science, UAF, USA
    2011 – 2014 Director of Coastal Marine Institute, UAF, USA
    2001 – 2014  Member of numerous faculty committees at UAF: e.g. curriculum affairs committee, senator in faculty senate, chair of program review committee

    • COMMISSIONS OF TRUST (examples)
    1992 – Reviews for peer reviewed journals (e.g. Mar Ecol Progr Ser, Mar Biol, Polar Biol, Deep Sea Res), 10-15 per year
    2001 –  Reviews for funding agencies: NSF (about 3 per year), also for European agencies, e.g. NERC, National Research Council of Italy
    2004-2007 UNOLS Arctic Icebreaker Coordinating Committee (USA)
    2005 Chief scientist on NOAA funded multi-PI Arctic Ocean expedition
    2005-2009  Editor Polar Biology, Springer
    2008  Bering Sea Ecosystem Study Scientific Advisory Board, U.S. NSF
    2009-2014 Member NOAA Panel on China-US Cooperation
    2010-2011 Chair of UAF wide Program Review Committee
    2010-2014  Co-chair International Arctic Science Committee  (IASC) Marine Working Group, U.S. representative
    2011-2012 U.S. representative on Arctic Council program: CBMP (sea ice group)
    2015 -  Member scientific advisory board for Polarstern Expeditions, AWI, Germany

    Online records:

    Google Scholar: http://scholar.google.com/citations?user=1RKfeo0AAAAJ

    ORCID ID: 0000-0001-6035-3957