World's Best Scientists 2026 revealed!
Geir Ottersen

Geir Ottersen

D-Index & Metrics

Ecology and Evolution

D-Index
51
Citations
18704
World Ranking
3538
National Ranking
51

Geir Ottersen publication distribution in Ecology and Evolution in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Geir Ottersen sits on this spectrum.

37–41 publications: 2 scientists 42–46 publications: 9 scientists 47–51 publications: 10 scientists 52–56 publications: 31 scientists 57–61 publications: 56 scientists 62–66 publications: 91 scientists 67–71 publications: 92 scientists 72–76 publications: 127 scientists 77–81 publications: 173 scientists 82–86 publications: 236 scientists 87–91 publications: 227 scientists 92–96 publications: 240 scientists 97–101 publications: 333 scientists 102–106 publications: 280 scientists 107–111 publications: 300 scientists 112–116 publications: 285 scientists 117–121 publications: 305 scientists 122–126 publications: 287 scientists 127–131 publications: 278 scientists 132–136 publications: 289 scientists 137–141 publications: 273 scientists 142–146 publications: 262 scientists 147–151 publications: 246 scientists 152–156 publications: 235 scientists 157–161 publications: 205 scientists 162–166 publications: 199 scientists 167–171 publications: 174 scientists 172–176 publications: 164 scientists 177–181 publications: 173 scientists 182–186 publications: 189 scientists 187–191 publications: 170 scientists 192–196 publications: 139 scientists 197–201 publications: 128 scientists 202–206 publications: 117 scientists 207–211 publications: 115 scientists 212–216 publications: 107 scientists 217–221 publications: 124 scientists 222–226 publications: 81 scientists 227–231 publications: 82 scientists 232–236 publications: 85 scientists 237–241 publications: 75 scientists 242–246 publications: 66 scientists 247–251 publications: 81 scientists 252–256 publications: 69 scientists 257–261 publications: 70 scientists 262–266 publications: 55 scientists 267–271 publications: 64 scientists 272–276 publications: 49 scientists 277–281 publications: 48 scientists 282–286 publications: 44 scientists 287–291 publications: 45 scientists 292–296 publications: 36 scientists 297–301 publications: 39 scientists 302–306 publications: 38 scientists 307–311 publications: 30 scientists 312–316 publications: 34 scientists 317–321 publications: 25 scientists 322–326 publications: 22 scientists 327–331 publications: 28 scientists 332–336 publications: 30 scientists 337–341 publications: 22 scientists 342–346 publications: 30 scientists 347–351 publications: 26 scientists 352–356 publications: 22 scientists 357–361 publications: 29 scientists 362–366 publications: 21 scientists 367–371 publications: 12 scientists 372–376 publications: 18 scientists 377–381 publications: 17 scientists 382–386 publications: 13 scientists 387–391 publications: 21 scientists 392–396 publications: 13 scientists 397–401 publications: 10 scientists 402–406 publications: 15 scientists 407–411 publications: 8 scientists 412–416 publications: 9 scientists 417–421 publications: 8 scientists 422–426 publications: 4 scientists 427–431 publications: 10 scientists 432–436 publications: 10 scientists 437–441 publications: 5 scientists 442–446 publications: 4 scientists 447–451 publications: 10 scientists 452–456 publications: 2 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 7 scientists 472–476 publications: 6 scientists 477–481 publications: 6 scientists 482–486 publications: 3 scientists 487–491 publications: 3 scientists 492–496 publications: 4 scientists 497–501 publications: 4 scientists 502–506 publications: 8 scientists 507–511 publications: 5 scientists 512–516 publications: 4 scientists 517–521 publications: 5 scientists 522–526 publications: 4 scientists 527–530 publications: 5 scientists 531+ publications: 100 scientists
37 publications 531+

This scientist: 119 publications — 32nd percentile

32% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 531 publications or more.

Geir Ottersen D-index placement in Ecology and Evolution in 2026

The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Geir Ottersen sits on this spectrum.

30 D-Index: 95 scientists 31 D-Index: 123 scientists 32 D-Index: 191 scientists 33 D-Index: 245 scientists 34 D-Index: 252 scientists 35 D-Index: 244 scientists 36 D-Index: 249 scientists 37 D-Index: 244 scientists 38 D-Index: 254 scientists 39 D-Index: 254 scientists 40 D-Index: 280 scientists 41 D-Index: 274 scientists 42 D-Index: 266 scientists 43 D-Index: 233 scientists 44 D-Index: 248 scientists 45 D-Index: 208 scientists 46 D-Index: 201 scientists 47 D-Index: 213 scientists 48 D-Index: 207 scientists 49 D-Index: 172 scientists 50 D-Index: 209 scientists 51 D-Index: 199 scientists 52 D-Index: 153 scientists 53 D-Index: 169 scientists 54 D-Index: 163 scientists 55 D-Index: 148 scientists 56 D-Index: 120 scientists 57 D-Index: 146 scientists 58 D-Index: 137 scientists 59 D-Index: 140 scientists 60 D-Index: 104 scientists 61 D-Index: 119 scientists 62 D-Index: 118 scientists 63 D-Index: 99 scientists 64 D-Index: 77 scientists 65 D-Index: 100 scientists 66 D-Index: 86 scientists 67 D-Index: 83 scientists 68 D-Index: 75 scientists 69 D-Index: 94 scientists 70 D-Index: 57 scientists 71 D-Index: 68 scientists 72 D-Index: 59 scientists 73 D-Index: 63 scientists 74 D-Index: 66 scientists 75 D-Index: 60 scientists 76 D-Index: 42 scientists 77 D-Index: 49 scientists 78 D-Index: 39 scientists 79 D-Index: 37 scientists 80 D-Index: 43 scientists 81 D-Index: 41 scientists 82 D-Index: 45 scientists 83 D-Index: 34 scientists 84 D-Index: 40 scientists 85 D-Index: 35 scientists 86 D-Index: 55 scientists 87 D-Index: 24 scientists 88 D-Index: 24 scientists 89 D-Index: 30 scientists 90 D-Index: 23 scientists 91 D-Index: 25 scientists 92 D-Index: 27 scientists 93 D-Index: 27 scientists 94 D-Index: 13 scientists 95 D-Index: 23 scientists 96 D-Index: 12 scientists 97 D-Index: 14 scientists 98 D-Index: 19 scientists 99 D-Index: 16 scientists 100 D-Index: 14 scientists 101 D-Index: 5 scientists 102 D-Index: 21 scientists 103 D-Index: 16 scientists 104 D-Index: 10 scientists 105 D-Index: 7 scientists 106 D-Index: 7 scientists 107 D-Index: 7 scientists 108 D-Index: 6 scientists 109 D-Index: 9 scientists 110 D-Index: 11 scientists 111 D-Index: 12 scientists 112 D-Index: 9 scientists 113 D-Index: 7 scientists 114 D-Index: 3 scientists 115 D-Index: 8 scientists 116 D-Index: 5 scientists 117 D-Index: 11 scientists 118 D-Index: 4 scientists 119 D-Index: 2 scientists 120 D-Index: 5 scientists 121+ D-Index: 100 scientists
30 D-Index 121+

This scientist: 51 D-Index — 58th percentile

58% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 121 D-Index or more.

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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