World's Best Scientists 2026 revealed!
Peter Grønkjær

Peter Grønkjær

D-Index & Metrics

Ecology and Evolution

D-Index
31
Citations
3446
World Ranking
8258
National Ranking
106

Peter Grønkjær 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 Peter Grønkjær 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: 93 publications — 14th percentile

14% of scientists in this discipline score the same or lower.

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

Peter Grønkjær 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 Peter Grønkjær 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: 31 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Overview

Peter Grønkjær is affiliated with Aarhus University in Denmark and has contributed extensively to the field of Environmental Science. Their research focuses primarily on marine and fisheries research, isotope analysis in ecology, and marine bivalve and aquaculture studies, among other specialized topics.

The main fields of study for Peter Grønkjær include:

  • Environmental Science

Their work spans several subfields, notably:

  • Global and Planetary Change
  • Ecology
  • Nature and Landscape Conservation
  • Oceanography
  • General Health Professions

Key topics covered in their research are:

  • Marine and fisheries research
  • Isotope Analysis in Ecology
  • Marine Bivalve and Aquaculture Studies
  • Fish Ecology and Management Studies
  • Marine animal studies overview
  • Geology and Paleoclimatology Research
  • Marine Biology and Ecology Research

Peter Grønkjær has published in a variety of scientific venues. The most frequent publication outlets are:

  • Marine Biology
  • Water
  • Estuarine Coastal and Shelf Science
  • Oikos
  • Ecology and Evolution

Among their recent scientific papers are:

  • "Fundamental questions and applications of sclerochronology: Community-defined research priorities," 2020, Estuarine Coastal and Shelf Science
  • "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
  • "Differences in metabolic rate between two Atlantic cod (Gadus morhua) populations estimated with carbon isotopic composition in otoliths," 2021, PLoS ONE
  • "Growth portfolios buffer climate-linked environmental change in marine systems," 2022, Ecology

Their frequent collaborators include:

  • Eilif Gaard
  • Steven E. Campana
  • Halvor Knutsen
  • Sólvá Jacobsen
  • Rune Kristiansen

Best Publications

  • Evidence of a hybrid-zone in Atlantic cod (Gadus morhua) in the Baltic and the Danish Belt Sea revealed by individual admixture analysis.

    Einar E. Nielsen;Michael M. Hansen;Daniel E. Ruzzante;Dorte Meldrup

  • Evolutionary mechanisms shaping the genetic population structure of marine fishes; lessons from the European flounder ( Platichthys flesus L.)

    Jakob Hemmer-Hansen;Einar Eg Nielsen;Peter Grønkjaer;Volker Loeschcke

  • Long-term stability and effective population size in North Sea and Baltic Sea cod (Gadus morhua).

    Nina A A Poulsen;Einar E Nielsen;Mikkel H Schierup;Volker Loeschcke

  • Adaptive differences in gene expression in European flounder (Platichthys flesus).

    Peter F. Larsen;Einar E. Nielsen;Timothy D. Williams;Jakob Hemmer-Hansen;Jakob Hemmer-Hansen

  • Population of origin of Atlantic cod

    Einar E. Nielsen;Michael M. Hansen;Cathrin Schmidt;Dorte Meldrup

  • Arctic warming will promote Atlantic–Pacific fish interchange

    Mary Wisz;O. Broennimann;Peter Grønkjær;Peter R. Møller

  • Experimental evidence for selection against fish larvae with high metabolic rates in a food limited environment

    A. B. Bochdansky;P. Grønkjær;T. P. Herra;W. C. Leggett

  • Ontogenetic and environmental effects on vertical distribution of cod larvae in the Bornholm Basin, Baltic Sea

    Peter Grønkjaer;Kai Wieland

  • Field metabolic rates of teleost fishes are recorded in otolith carbonate.

    Ming-Tsung Chung;Clive N Trueman;Jane Aanestad Godiksen;Mathias Engell Holmstrup

  • Climate effects on size-at-age: growth in warming waters compensates for earlier maturity in an exploited marine fish

    Anna B. Neuheimer;Peter Grønkjær

  • Testing the larval drift hypothesis in the Baltic Sea: retention versus dispersion caused by wind-driven circulation

    Hans-Harald Hinrichsen;M. A. St.John;E. Aro;P. Grønkjær

  • Nutritional condition and vertical distribution of Baltic cod larvae

    P. Gronkjaer;C. Clemmesen;M. St. John

  • Nutritional condition and vertical distribution of Baltic cod larvae

    P. Gronkjaer;Catriona Clemmesen;M. St. John

  • Otoliths as individual indicators: a reappraisal of the link between fish physiology and otolith characteristics

    Peter Grønkjær

  • Parental effects on early life history traits of Atlantic herring (Clupea harengus L.) larvae

    Anders Bang;Peter Grønkjær;Catriona Clemmesen;Hans Høie

  • Retention of juveniles within a hybrid zone between North Sea and Baltic Sea Atlantic cod (Gadus morhua)

    Einar E Nielsen;Peter Grønkjær;Dorte Meldrup;Helge Paulsen

  • Stable coexistence of genetically divergent Atlantic cod ecotypes at multiple spatial scales

    Halvor Knutsen;Halvor Knutsen;Per Erik Jorde;Jeffrey Hutchings;Jeffrey Hutchings;Jakob Hemmer-Hansen

  • Genomic parallelism and lack thereof in contrasting systems of three-spined sticklebacks.

    Shenglin Liu;Anne-Laure Ferchaud;Peter Grønkjaer;Rasmus Nygaard

  • Individual variation in the rate of oxygen consumption by zebrafish embryos

    A. Bang;P. Grønkjær;H. Malte

  • Feeding ecology and growth of age 0 year Platichthys flesus(L.) in a vegetated and a bare sand habitat in a nutrient rich fjord

    B. S. Andersen;J. D. Carl;P. Grønkjær;J. G. Støttrup

  • Spatial variability of carbon (δ 13C) and nitrogen (δ 15N) stable isotope ratios in an Arctic marine food web

    J. Holst Hansen;R. Berg Hedeholm;K. Sünksen;J. Tang Christensen

  • Archived DNA reveals fisheries and climate induced collapse of a major fishery

    Sara Bonanomi;Loïc Pellissier;Nina Overgaard Therkildsen;Rasmus Berg Hedeholm

Frequent Co-Authors

Einar Eg Nielsen
Einar Eg Nielsen Technical University of Denmark
Catriona Clemmesen
Catriona Clemmesen GEOMAR Helmholtz Centre for Ocean Research Kiel
Clive N. Trueman
Clive N. Trueman University of Southampton
Christian Skov
Christian Skov Technical University of Denmark
Halvor Knutsen
Halvor Knutsen University of Agder
Søren Rysgaard
Søren Rysgaard Aarhus University
Mary S. Wisz
Mary S. Wisz World Maritime University
Benni Winding Hansen
Benni Winding Hansen Roskilde University
Per Erik Jorde
Per Erik Jorde University of Oslo

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring a field like Ecology and Evolution often sparks interest in broader scientific and healthcare careers. For those considering a fast track in healthcare, accelerated bsn programs allow students with existing nursing credentials to quickly earn a Bachelor of Science in Nursing – a versatile degree that opens doors in research, environmental health, and public education.

Many professionals seek ways to advance their roles. For registered nurses, rn to np programs online offer a streamlined bridge to become nurse practitioners, blending medical knowledge with leadership in public health, which connects well to conservation and environmental advocacy.

If you are new to nursing but feel inspired by the links between ecology, public health, and wellness, online msn programs for non nurses make it possible to transition into the field even without prior nursing experience. These programs expand your career options at the intersection of science and health.

Choosing the right online school is vital for success. Wondering which school is better snhu vs wgu? Compare program quality, flexibility, and outcomes to find the best fit for your career goals as you chart your academic and professional journey in ecology, evolution, or related health sciences.

Best Scientists Citing Peter Grønkjær

Trending Scientists

Recently Published Articles