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Geir Ottersen

Geir Ottersen

D-Index & Metrics

Ecology and Evolution

D-Index
51
Citations
18704
World Ranking
3542
National Ranking
51

Overview

Geir Ottersen is affiliated with the University of Oslo in Norway and works primarily in the field of Environmental Science. Their research emphasizes several subfields, including Global and Planetary Change, Oceanography, Food Science, Atmospheric Science, and Ecology.

The scientist's recent publications cover a range of topics related to marine life, fisheries, and environmental processes. Key papers include:

  • Skilful prediction of cod stocks in the North and Barents Sea a decade in advance, 2021, Communications Earth & Environment
  • Ontogenetic spatial constraints of sub-arctic marine fish species, 2021, Fish and Fisheries
  • Latitudinally distinct stocks of Atlantic cod face fundamentally different biophysical challenges under on-going climate change, 2023, Fish and Fisheries
  • Diets of the Barents Sea cod ( Gadus morhua ) from the 1930s to 2018, 2021, Earth system science data
  • Key physical processes and their model representation for projecting climate impacts on subarctic Atlantic net primary production: A synthesis, 2023, Progress In Oceanography

The main research topics addressed by Ottersen include marine and fisheries research, marine bivalve and aquaculture studies, food industry and aquatic biology, arctic and antarctic ice dynamics, fish ecology and management studies, oceanographic and atmospheric processes, and ocean acidification effects and responses.

Frequent co-authors in Ottersen's work include Agnieszka Beszczyńska-Möller, Bjarte Bogstad, Hanne Sagen, Nils Chr. Stenseth, and Roberta Pirazzini.

Publications by Ottersen are often found in venues such as Zenodo (CERN European Organization for Nuclear Research), BIBSYS Brage (Norway), Fish and Fisheries, Canadian Journal of Fisheries and Aquatic Sciences, and Communications Earth & Environment.

Geir Ottersen has contributed to books published by TemaNord in 2025, including Effects of climate change on future environment and marine life in the Nordic sea areas and Nordic Marine Ecosystems in a Changing Climate.

Best Publications

  • An overview of the North Atlantic Oscillation

    James W. Hurrell;Yochanan Kushnir;Geir Ottersen;Martin Visbeck

  • Ecological effects of climate fluctuations.

    Nils Chr Stenseth;Atle Mysterud;Geir Ottersen;James W. Hurrell

  • The North Atlantic Oscillation: climatic significance and environmantal impact

    James W Hurrell;Yochanan Kushnir;Geir Ottersen;Martin Visbeck

  • Climate and the match or mismatch between predator requirements and resource availability

    Joël M. Durant;Dag Ø. Hjermann;Geir Ottersen;Nils Christian Stenseth

  • Review article. Studying climate effects on ecology through the use of climate indices: the North Atlantic Oscillation, El Niño Southern Oscillation and beyond.

    Nils Chr. Stenseth;Geir Ottersen;James W. Hurrell;Atle Mysterud

  • Ecological effects of the North Atlantic Oscillation

    Geir Ottersen;Benjamin Planque;Andrea Belgrano;Eric S Post

  • The North Atlantic Oscillation: Climate Significance and Environmental Impact

    James W. Hurrell;Yochanan Kushnir;Geir Ottersen;Martin Visbeck

  • Climate Variability, Fish, and Fisheries

    P. Lehodey;J. Alheit;M. Barange;T. Baumgartner

  • Changes in spawning stock structure strengthen the link between climate and recruitment in a heavily fished cod (Gadus morhua) stock

    Geir Ottersen;Dag Ø. Hjermann;Nils Chr. Stenseth

  • On the processes linking climate to ecosystem changes

    Kenneth F. Drinkwater;Gregory Beaugrand;Masahide Kaeriyama;Suam Kim

  • Ecosystem processes are rarely included in tactical fisheries management

    Mette Skern‐Mauritzen;Geir Ottersen;Nils Olav Handegard;Geir Huse

  • Polar Regions. Chapter 3, IPCC Special Report on the Ocean and Cryosphere in a Changing Climate

    M. Meredith;M. Sommerkorn;S. Cassotta;C. Derksen

  • Covariability in early growth and year-class strength of Barents Sea cod, haddock, and herring: the environmental link

    G. Ottersen;H. Loeng

  • The Response of Terrestrial Ecosystems to Climate Variability Associated with the North Atlantic Oscillation

    Alte Mysterud;Nils Chr. Stenseth;Nigel G Yoccoz;Geir Ottersen

  • The Response of Marine Ecosystems to Climate Variability Associated With the North Atlantic Oscillation

    Unknown

  • Cod and climate: effect of the North Atlantic Oscillation on recruitment in the North Atlantic

    Leif Christian Stige;Geir Ottersen;Keith Brander;Kung-Sik Chan

  • Climate effects on Barents Sea ecosystem dynamics

    Padmini Dalpadado;Randi B. Ingvaldsen;Leif Christian Stige;Bjarte Bogstad

  • Major pathways by which climate may force marine fish populations

    Geir Ottersen;Suam Kim;Geir Huse;Jeffrey J. Polovina

  • Productivity in the Barents Sea - Response to recent climate variability

    Padmini Dalpadado;Kevin R. Arrigo;Solfrid Sætre Hjøllo;Francisco Rey

  • Atlantic climate governs oceanographic and ecological variability in the Barents Sea

    Geir Ottersen;Nils Chr. Stenseth

  • Marine Ecosystems and Climate Variation

    Nils Chr. Stenseth;Geir Ottersen;James W. Hurrell;Andrea Belgrano

Frequent Co-Authors

Nils Chr. Stenseth
Nils Chr. Stenseth University of Oslo
Lorenzo Ciannelli
Lorenzo Ciannelli Oregon State University
Kenneth F. Drinkwater
Kenneth F. Drinkwater Bjerknes Centre for Climate Research
James W. Hurrell
James W. Hurrell Colorado State University
Geir Huse
Geir Huse Institute of Marine Research
Grégory Beaugrand
Grégory Beaugrand University of Lille
Keith Brander
Keith Brander Technical University of Denmark
Svein Sundby
Svein Sundby Bjerknes Centre for Climate Research
Randi Ingvaldsen
Randi Ingvaldsen Bjerknes Centre for Climate Research
Atle Mysterud
Atle Mysterud University of Oslo

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