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D-Index & Metrics

Ecology and Evolution

D-Index
50
Citations
10197
World Ranking
3828
National Ranking
57

Olav Sigurd Kjesbu 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 Olav Sigurd Kjesbu 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: 163 publications — 59th percentile

59% of scientists in this discipline score the same or lower.

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

Olav Sigurd Kjesbu 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 Olav Sigurd Kjesbu 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: 50 D-Index — 56th percentile

56% of scientists in this discipline score the same or lower.

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

Overview

Olav Sigurd Kjesbu is affiliated with the Norwegian Institute of Marine Research in Norway. Their research mainly focuses on environmental science, particularly within subfields such as global and planetary change, nature and landscape conservation, physiology, ecology, and aquatic science.

The primary topics addressed in their work include marine and fisheries research, fish ecology and management studies, marine bivalve and aquaculture studies, reproductive biology and impacts on aquatic species, oceanographic and atmospheric processes, aquaculture nutrition and growth, and fish biology and ecology studies.

Kjesbu has contributed publications to a variety of scientific venues. Frequent publication outlets include:

  • Fish and Fisheries
  • ICES Journal of Marine Science
  • BIBSYS Brage (BIBSYS (Norway))
  • Journal of Fish Biology
  • Scientific Reports

Some recent papers authored by or including Kjesbu are:

  • Highly mixed impacts of near-future climate change on stock productivity proxies in the North East Atlantic, 2021, Fish and Fisheries
  • From gametogenesis to spawning: How climate-driven warming affects teleost reproductive biology, 2020, Journal of Fish Biology
  • Management of transboundary and straddling fish stocks in the Northeast Atlantic in view of climate-induced shifts in spatial distribution, 2020, Fish and Fisheries

Other influential papers in relevant collaborations include:

  • Genomic stability through time despite decades of exploitation in cod on both sides of the Atlantic, 2021, Proceedings of the National Academy of Sciences
  • Development of a new 'ultrametric' method for assessing spawning progression in female teleost serial spawners, 2020, Scientific Reports

Frequent collaborators in Kjesbu's research network consist of:

  • Anders Thorsen
  • Maud Alix
  • Thassya C. dos Santos Schmidt
  • Svein Sundby
  • Aril Slotte

Best Publications

  • Fecundity, Atresia, and Egg Size of Captive Atlantic Cod (Gadus morhua) in Relation to Proximate Body Composition

    O. S. Kjesbu;J. Klungsøyr;H. Kryvi;P. R. Witthames

  • Is spawner biomass a sensitive measure of the reproductive and recruitment potential of Northeast Arctic cod

    C Tara Marshall;Olav Sigurd Kjesbu;Nathalia A Yaragina;Per Solemdal

  • Variation in annual egg production in individual captive Atlantic cod (Gadus morhua)

    Olav Sigurd Kjesbu;Per Solemdal;Per Bratland;Merete Fonn

  • The spawning activity of cod, Gadus morhua L.

    O. S. Kjesbu

  • Effects of adult age and size structure on reproductive output in marine fishes

    Edward A. Trippel;Olav S. Kjesbu;Per Solemdal

  • Temporal variations in the fecundity of Arcto-Norwegian cod (Gadus morhua) in response to natural changes in food and temperature

    O.S. Kjesbu;P.R. Witthames;P. Solemdal;M. Greer Walker

  • Total lipid energy as a proxy for total egg production by fish stocks

    C. Tara Marshall;Nathalia A. Yaragina;Yvan Lambert;Olav S. Kjesbu

  • Ecosystem processes are rarely included in tactical fisheries management

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

  • Time of start of spawning in Atlantic cod (Gadus morhua) females in relation to vitellogenic oocyte diameter, temperature, fish length and condition

    O. S. Kjesbu

  • Growth, gonadal development and spawning time of Atlantic cod (Gadus morhua) reared under different photoperiods

    Tom Hansen;Ørjan Karlsen;Geir Lasse Taranger;Gro-Ingunn Hemre

  • A rapid method for estimation of oocyte size and potential fecundity in Atlantic cod using a computer-aided particle analysis system

    A Thorsen;O.S Kjesbu

  • Synergies between climate and management for Atlantic cod fisheries at high latitudes

    Olav Sigurd Kjesbu;Bjarte Bogstad;Jennifer A. Devine;Harald Gjøsæter

  • Oocyte growth and fecundity regulation by atresia of Atlantic herring ( Clupea harengus) in relation to body condition throughout the maturation cycle

    Y. Kurita;S. Meier;O.S. Kjesbu

  • Buoyancy variations in eggs of Atlantic cod (Gadus morhua L.) in relation to chorion thickness and egg size: theory and observations

    O. S. Kjesbu;H. Kryvi;S. Sundby;P. Solemdal

  • Gonadal development and associated changes in liver size and sexual steroids during the reproductive cycle of captive male and female Atlantic cod (Gadus morhua L.).

    Roy Dahle;Geir L. Taranger;Ørjan Karlsen;Olav S. Kjesbu

  • Effects of periodic starvation on reproductive investment in first-time spawning Atlantic cod (Gadus morhua L.)

    Ørjan Karlsen;Jens C. Holm;Olav S. Kjesbu

  • Systematic bias in estimates of reproductive potential of an Atlantic cod (Gadus morhua) stock: implications for stock–recruit theory and management

    C. Tara Marshall;Coby L. Needle;Anders Thorsen;Olav Sigurd Kjesbu

  • Physiological mechanisms of buoyancy in eggs from brackish water cod

    A. Thorsen;O. S. Kjesbu;H. J. Fyhndr;P. Solemdal

  • Effects of ration on the maturation and fecundity in captive Atlantic herring (Clupea harengus)

    Y. Ma;Olav Sigurd Kjesbu;Terje Jørgensen

  • From gametogenesis to spawning: How climate‐driven warming affects teleost reproductive biology

    Maud Alix;Olav Sigurd Kjesbu;Kelli C. Anderson

  • Differences in growth performance between Arcto-Norwegian and Norwegian coastal cod reared under identical conditions

    T. Svåsand;K. E. Jørstad;H. Otterå;O. S. Kjesbu

Frequent Co-Authors

Richard D.M. Nash
Richard D.M. Nash Centre for Environment, Fisheries and Aquaculture Science
Svein Sundby
Svein Sundby Bjerknes Centre for Climate Research
Arild Folkvord
Arild Folkvord University of Bergen
Nils Chr. Stenseth
Nils Chr. Stenseth University of Oslo
Gary R. Carvalho
Gary R. Carvalho Bangor University
Catriona Clemmesen
Catriona Clemmesen GEOMAR Helmholtz Centre for Ocean Research Kiel
Lorenz Hauser
Lorenz Hauser University of Washington
Geir Huse
Geir Huse Institute of Marine Research
Jacky Cosson
Jacky Cosson University of South Bohemia in České Budějovice
Randi Ingvaldsen
Randi Ingvaldsen Bjerknes Centre for Climate Research

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