World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
43
Citations
6352
World Ranking
5358
National Ranking
132

Niclas Kolm 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 Niclas Kolm 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: 136 publications — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Niclas Kolm 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 Niclas Kolm 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: 43 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Overview

Niclas Kolm is affiliated with Stockholm University in Sweden. Their research spans multiple fields within the biological sciences, particularly focusing on areas related to animal behavior, ecology, and evolutionary biology.

The main fields of study for Kolm include:

  • Agricultural and Biological Sciences
  • Environmental Science
  • Psychology

Within these broader fields, Kolm's work engages with various subfields, such as:

  • Ecology, Evolution, Behavior and Systematics
  • Social Psychology
  • Global and Planetary Change
  • Ecology
  • Nature and Landscape Conservation

The topics addressed in Kolm's research predominantly cover:

  • Animal Behavior and Reproduction
  • Primate Behavior and Ecology
  • Physiological and biochemical adaptations
  • Amphibian and Reptile Biology
  • Bat Biology and Ecology Studies
  • Human-Animal Interaction Studies
  • Fish Ecology and Management Studies

Kolm has been involved in several recent publications across a range of influential journals. Some notable papers include:

  • "Long life evolves in large-brained bird lineages," published in 2020 by Evolution
  • "Rapid evolution of coordinated and collective movement in response to artificial selection," published in 2020 by Science Advances
  • "Rapid mosaic brain evolution under artificial selection for relative telencephalon size in the guppy ( Poecilia reticulata )," published in 2021 by Science Advances
  • "Experimental expansion of relative telencephalon size improves the main executive function abilities in guppy," published in 2023 by PNAS Nexus
  • "Brain morphology correlates of learning and cognitive flexibility in a fish species ( Poecilia reticulata )," published in 2022 by Proceedings of the Royal Society B Biological Sciences

Frequent publication venues for Kolm include:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Evolution
  • Behavioral Ecology
  • Journal of Experimental Biology
  • Biology Letters

Collaborative work plays a significant role in Kolm's research output. Frequent coauthors include:

  • Alexander Kotrschal
  • Séverine D. Buechel
  • Stephanie Fong
  • Mirjam Amcoff
  • John L. Fitzpatrick

Best Publications

  • Artificial Selection on Relative Brain Size in the Guppy Reveals Costs and Benefits of Evolving a Larger Brain

    Alexander Kotrschal;Björn Rogell;Andreas Bundsen;Beatrice Svensson

  • Species diversity can drive speciation.

    Brent C. Emerson;Niclas Kolm

  • Female promiscuity promotes the evolution of faster sperm in cichlid fishes.

    John L. Fitzpatrick;Robert Montgomerie;Julie K. Desjardins;Kelly A. Stiver

  • Brains and the city: big-brained passerine birds succeed in urban environments

    Alexei A. Maklakov;Simone Immler;Alejandro Gonzalez-Voyer;Johanna Rönn

  • How predation shapes the social interaction rules of shoaling fish.

    James E. Herbert-Read;James E. Herbert-Read;Emil Rosén;Alex Szorkovszky;Christos C. Ioannou

  • Convergent recombination suppression suggests role of sexual selection in guppy sex chromosome formation.

    Alison E. Wright;Iulia Darolti;Natasha I. Bloch;Vicencio Oostra

  • Breakdown of brain-body allometry and the encephalization of birds and mammals.

    Masahito Tsuboi;Masahito Tsuboi;Masahito Tsuboi;Wouter van der Bijl;Bjørn Tore Kopperud;Johannes Erritzøe

  • Social fishes and single mothers: brain evolution in African cichlids.

    Alejandro Gonzalez-Voyer;Svante Winberg;Niclas Kolm

  • Brain size affects performance in a reversal-learning test

    Séverine D. Buechel;Annika Boussard;Alexander Kotrschal;Wouter van der Bijl

  • Brain size affects female but not male survival under predation threat

    Alexander Kotrschal;Alexander Kotrschal;Séverine D. Buechel;Séverine D. Buechel;Sarah M. Zala;Alberto Corral‐Lopez

  • Do egg size and parental care coevolve in fishes

    Niclas Kolm;Niclas Kolm;Ingrid Ahnesjö

  • MALE CONTEST COMPETITION AND THE COEVOLUTION OF WEAPONRY AND TESTES IN PINNIPEDS

    John L. Fitzpatrick;Maria Almbro;Alejandro Gonzalez-Voyer;Niclas Kolm

  • Females produce larger eggs for large males in a paternal mouthbrooding fish

    Niclas Kolm

  • Stress-induced changes in brain serotonergic activity, plasma cortisol and aggressive behavior in Arctic charr (Salvelinus alpinus) is counteracted by L-DOPA

    Erik Höglund;Niclas Kolm;Svante Winberg

  • A larger brain confers a benefit in a spatial mate search learning task in male guppies

    Alexander Kotrschal;Alberto Corral-Lopez;Mirjam Amcoff;Niclas Kolm

  • Sexual selection determines parental care patterns in cichlid fishes.

    Alejandro Gonzalez-Voyer;John L. Fitzpatrick;Niclas Kolm

  • Comparative support for the expensive tissue hypothesis: Big brains are correlated with smaller gut and greater parental investment in Lake Tanganyika cichlids.

    Masahito Tsuboi;Arild Husby;Alexander Kotrschal;Alexander Hayward

  • ARTIFICIAL SELECTION ON RELATIVE BRAIN SIZE REVEALS A POSITIVE GENETIC CORRELATION BETWEEN BRAIN SIZE AND PROACTIVE PERSONALITY IN THE GUPPY

    Alexander Kotrschal;Eva J. P. Lievens;Josefin Dahlbom;Andreas Bundsen

  • Sex, Ecology and the Brain: Evolutionary Correlates of Brain Structure Volumes in Tanganyikan Cichlids

    Alejandro Gonzalez-Voyer;Niclas Kolm

  • Male-biased gene expression resolves sexual conflict through the evolution of sex-specific genetic architecture.

    Alison E. Wright;Matteo Fumagalli;Christopher R. Cooney;Natasha I. Bloch

  • Wild Populations of a Reef Fish Suffer from the “Nondestructive” Aquarium Trade Fishery

    Niclas Kolm;Anders Berglund

  • Brain size affects the behavioural response to predators in female guppies (Poecilia reticulata)

    Wouter van der Bijl;Malin Thyselius;Alexander Kotrschal;Niclas Kolm

Frequent Co-Authors

Judith E. Mank
Judith E. Mank University of British Columbia
Alexei A. Maklakov
Alexei A. Maklakov University of East Anglia
Brent C. Emerson
Brent C. Emerson Spanish National Research Council
Shaun P. Collin
Shaun P. Collin La Trobe University
Andrew N. Iwaniuk
Andrew N. Iwaniuk University of Lethbridge
John L. Fitzpatrick
John L. Fitzpatrick Stockholm University
Göran Arnqvist
Göran Arnqvist Uppsala University
Sigal Balshine
Sigal Balshine McMaster University
László Zsolt Garamszegi
László Zsolt Garamszegi Centre for Ecological Research
Gábor Herczeg
Gábor Herczeg Eötvös Loránd University

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