World's Best Scientists 2026 revealed!
Halvor Knutsen

Halvor Knutsen

D-Index & Metrics

Ecology and Evolution

D-Index
44
Citations
6053
World Ranking
5159
National Ranking
77

Halvor Knutsen 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 Halvor Knutsen 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: 130 publications — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Halvor Knutsen 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 Halvor Knutsen 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: 44 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Overview

Halvor Knutsen is affiliated with the University of Agder in Norway and has contributed extensively to research in environmental science and biochemistry, genetics, and molecular biology. Their work primarily focuses on marine and fisheries research, fish ecology and management studies, as well as genetic diversity and population structure.

The scientist has published numerous papers across a range of scientific journals. Notable recent papers include:

  • Highly mixed impacts of near-future climate change on stock productivity proxies in the North East Atlantic, 2021, Fish and Fisheries
  • Stabilizing selection on Atlantic cod supergenes through a millennium of extensive exploitation, 2022, Proceedings of the National Academy of Sciences
  • Combining population genomics with demographic analyses highlights habitat patchiness and larval dispersal as determinants of connectivity in coastal fish species, 2022, Molecular Ecology
  • First measurements of field metabolic rate in wild juvenile fishes show strong thermal sensitivity but variations between sympatric ecotypes, 2020, Oikos
  • Disparate movement behavior and feeding ecology in sympatric ecotypes of Atlantic cod, 2021, Ecology and Evolution

Their frequent coauthors reflect collaboration with several researchers including Per Erik Jorde, Carl André, Marte Sodeland, Even Moland, and Esben Moland Olsen.

Major publication venues where the scientist's work appears include:

  • ICES Journal of Marine Science
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Evolutionary Applications
  • Ecology and Evolution
  • Fish and Fisheries

Halvor Knutsen's research spans several subfields of study, including global and planetary change, genetics, ecology, nature and landscape conservation, and molecular biology. Their focus on topics extends to marine bivalve and aquaculture studies, identification and quantification in food, coral and marine ecosystems studies, and genetic and phenotypic traits in livestock.

The scientist has also contributed to book publications, with works published by TemaNord and Nordic Council of Ministers eBooks. Titles include:

  • Improving nature management and marine protection in Skagerrak: Knowledge synthesis for conservation planning, ecosystem-based fisheries management and expanding offshore wind farms, 2025
  • Spatial population structure and connectivity among marine populations in the Skagerrak: implications for marine biodiversity conservation, 2024

Best Publications

  • Fine-scaled geographical population structuring in a highly mobile marine species: the Atlantic cod.

    H. Knutsen;P. E. Jorde;C. Andre;N. Chr. Stenseth

  • BioTIME: A database of biodiversity time series for the Anthropocene

    Maria Dornelas;Laura H. Antão;Laura H. Antão;Faye Moyes;Amanda E. Bates;Amanda E. Bates

  • Are low but statistically significant levels of genetic differentiation in marine fishes 'biologically meaningful'? A case study of coastal Atlantic cod.

    H. Knutsen;E. M. Olsen;P. E. Jorde;S. H. Espeland

  • Adaptation to Low Salinity Promotes Genomic Divergence in Atlantic Cod (Gadus morhua L.)

    Paul Ragnar Berg;Sissel Jentoft;Bastiaan Star;Kristoffer Hofaker Ring

  • Three chromosomal rearrangements promote genomic divergence between migratory and stationary ecotypes of Atlantic cod

    Paul Ragnar Berg;Bastiaan Star;Christophe Pampoulie;Marte Sodeland

  • Genome architecture enables local adaptation of Atlantic cod despite high connectivity.

    Julia Maria Isis Barth;Paul Ragnar Berg;Per R Jonsson;Sara Bonanomi;Sara Bonanomi

  • 'Islands of divergence' in the Atlantic cod genome represent polymorphic chromosomal rearrangements.

    Marte Sodeland;Per Erik Jorde;Sigbjørn Lien;Sissel Jentoft

  • Lobster and cod benefit from small-scale northern marine protected areas: inference from an empirical before–after control-impact study

    Even Moland;Esben Moland Olsen;Esben Moland Olsen;Halvor Knutsen;Halvor Knutsen;Pauline Garrigou

  • Egg distribution, bottom topography and small-scale cod population structure in a coastal marine system

    Halvor Knutsen;Esben Moland Olsen;Lorenzo Ciannelli;Sigurd Heiberg Espeland

  • Spatial scale of genetic structuring in coastal cod Gadus morhua and geographic extent of local populations

    Per Erik Jorde;Halvor Knutsen;Sigurd Heiberg Espeland;Nils Christian Stenseth

  • Food of anadromous brown trout at sea

    J. A. Knutsen;H. Knutsen;J. Gjøsæter;B. Jonsson

  • Transport of North Sea cod larvae into the Skagerrak coastal populations.

    Halvor Knutsen;Carl André;Per Erik Jorde;Morten D. Skogen

  • Temperature-associated habitat selection in a cold-water marine fish.

    Carla Freitas;Carla Freitas;Esben Moland Olsen;Esben Moland Olsen;Halvor Knutsen;Halvor Knutsen;Jon Albretsen

  • Climate and population density drive changes in cod body size throughout a century on the Norwegian coast.

    Lauren A. Rogers;Leif C. Stige;Esben M. Olsen;Halvor Knutsen

  • Ancient DNA reveals the Arctic origin of Viking Age cod from Haithabu, Germany

    Bastiaan Star;Sanne Boessenkool;Agata Teresa Gondek;Elena A. Nikulina

  • Small-scale biocomplexity in coastal Atlantic cod supporting a Darwinian perspective on fisheries management.

    Esben Moland Olsen;Halvor Knutsen;Jakob Gjøsæter;Per Erik Jorde

  • Disentangling structural genomic and behavioural barriers in a sea of connectivity.

    Julia Maria Isis Barth;Julia Maria Isis Barth;David Villegas-Ríos;Carla Freitas;Even Moland

  • Small-scale genetic structure in a marine population in relation to water circulation and egg characteristics.

    Lorenzo Ciannelli;Halvor Knutsen;Esben Moland Olsen;Sigurd Heiberg Espeland

  • Genetic differentiation among populations of the beetle Bolitophagus reticulatus (Coleoptera: tenebrionidae) in a fragmented and a continuous landscape.

    Halvor Knutsen;Bjørn Arne Rukke;Per Erik Jorde;Rolf A Ims

  • Behavioral responses of Atlantic cod to sea temperature changes

    Carla Freitas;Esben Moland Olsen;Even Moland;Lorenzo Ciannelli

  • Life-history variation among local populations of Atlantic cod from the Norwegian Skagerrak coast

    E. M. Olsen;H. Knutsen;J. Gjøsæter;P. E. Jorde

Frequent Co-Authors

Esben Moland Olsen
Esben Moland Olsen University of Agder
Per Erik Jorde
Per Erik Jorde University of Oslo
Carl André
Carl André University of Gothenburg
Nils Chr. Stenseth
Nils Chr. Stenseth University of Oslo
Jeffrey A. Hutchings
Jeffrey A. Hutchings Dalhousie University
Kjetill S. Jakobsen
Kjetill S. Jakobsen University of Oslo
Lorenzo Ciannelli
Lorenzo Ciannelli Oregon State University
A. Rus Hoelzel
A. Rus Hoelzel Durham University
Peter Grønkjær
Peter Grønkjær Aarhus University
Christoph F. J. Meyer
Christoph F. J. Meyer University of Salford

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