World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
39
Citations
6442
World Ranking
6350
National Ranking
69

M. Justin O'Riain 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 M. Justin O'Riain 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: 112 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

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

M. Justin O'Riain 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 M. Justin O'Riain 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: 39 D-Index — 26th percentile

26% of scientists in this discipline score the same or lower.

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

Overview

M. Justin O'Riain is affiliated with the University of Cape Town in South Africa. Their research primarily focuses on Environmental Science, with a particular emphasis on Ecology. Within this field, they have contributed substantially to subfields such as Ecology, Genetics, Social Psychology, Nature and Landscape Conservation, and Small Animals.

The main topics covered in their work include:

  • Wildlife Ecology and Conservation
  • Human-Animal Interaction Studies
  • Primate Behavior and Ecology
  • Animal Behavior and Welfare Studies
  • Wildlife-Road Interactions and Conservation
  • Ecology and Vegetation Dynamics Studies
  • Animal Vocal Communication and Behavior

Among their frequent co-authors are:

  • Andrew J. King
  • Ines Fürtbauer
  • Jacqueline M. Bishop
  • Anna M. Bracken
  • Charlotte Christensen

M. Justin O'Riain's publications have appeared regularly in specific venues, including:

  • SSRN Electronic Journal
  • Urban Ecosystems
  • Conservation Science and Practice
  • Journal of Arid Environments
  • African Journal of Wildlife Research

Notable recent papers include:

  • The naked truth: a comprehensive clarification and classification of current 'myths' in naked mole-rat biology, 2021, Biological reviews/Biological reviews of the Cambridge Philosophical Society
  • Behavioral Causes, Ecological Consequences, and Management Challenges Associated with Wildlife Foraging in Human-Modified Landscapes, 2020, BioScience
  • Caught on camera: The impacts of urban domestic cats on wild prey in an African city and neighbouring protected areas, 2020, Global Ecology and Conservation
  • Unsustainable anthropogenic mortality disrupts natal dispersal and promotes inbreeding in leopards, 2020, Ecology and Evolution
  • Hiding in plain sight: risk mitigation by a cryptic carnivore foraging at the urban edge, 2021, Animal Conservation

Best Publications

  • Selfish Sentinels in Cooperative Mammals

    T. H. Clutton-Brock;M. J. O'Riain;P. N. M. Brotherton;D. Gaynor

  • Mammalian eusociality: a family affair

    Jennifer U.M. Jarvis;M.Justin O'Riain;Nigel C. Bennett;Paul W. Sherman

  • Cooperation, Control, and Concession in Meerkat Groups

    T. H. Clutton-Brock;P. N. M. Brotherton;A. F. Russell;M. J. O'Riain

  • A dispersive morph in the naked mole-rat.

    M. Justin O'Riain;Jennifer U. M. Jarvis;Chris G. Faulkes

  • Infanticide and expulsion of females in a cooperative mammal

    T. H. Clutton-Brock;P N M Brotherton;R. Smith;G. M. McIlrath

  • Contributions to cooperative rearing in meerkats

    T.H. Clutton-Brock;P.N.M. Brotherton;M.J. O'Riain;A.S. Griffin

  • Individual contributions to babysitting in a cooperative mongoose, Suricata suricatta

    T.H. Clutton-Brock;P.N.M. Brotherton;M.J. O'Riain;A.S. Griffin

  • Landscape requirements of a primate population in a human-dominated environment

    Tali S Hoffman;M Justin O'Riain

  • Offspring food allocation by parents and helpers in a cooperative mammal

    P. N. M. Brotherton;T. H. Clutton-Brock;M. J. O'Riain;D. Gaynor

  • Residency, habitat use and sexual segregation of white sharks, Carcharodon carcharias in False Bay, South Africa.

    Alison Kock;M. Justin O’Riain;Katya Mauff;Michael Meÿer

  • Morphological castes in a vertebrate.

    M. J. O'Riain;J. U. M. Jarvis;R. Alexander;R. Buffenstein

  • Identification of behaviours from accelerometer data in a wild social primate

    Gaelle Fehlmann;M. Justin O’Riain;Phil W. Hopkins;Jack O’Sullivan

  • VIRAL EPIZOOTIC REVEALS INBREEDING DEPRESSION IN A HABITUALLY INBREEDING MAMMAL

    Adin Ross-Gillespie;M. Justin O'Riain;Lukas F. Keller

  • Reproductive suppression and inbreeding avoidance in wild populations of co-operatively breeding meerkats (Suricata suricatta)

    M. J. O’Riain;N. C. Bennett;P. N. M. Brotherton;G. McIlrath

  • The naked truth: a comprehensive clarification and classification of current ‘myths’ in naked mole-rat biology

    Rochelle Buffenstein;Vincent Amoroso;Blazej Andziak;Stanislav Avdieiev

  • A Low-Cost Manipulation of Food Resources Reduces Spatial Overlap Between Baboons ( Papio ursinus ) and Humans in Conflict

    Bentley S. Kaplan;M. Justin O’Riain;Rowen van Eeden;Andrew J. King

  • The Spatial Ecology of Chacma Baboons ( Papio ursinus ) in a Human-modified Environment

    Tali S. Hoffman;M. Justin O’Riain

  • Troop Size and Human‐Modified Habitat Affect the Ranging Patterns of a Chacma Baboon Population in the Cape Peninsula, South Africa

    Tali S. Hoffman;M. Justin O'riain

  • Foraging Profile, Activity Budget and Spatial Ecology of Exclusively Natural-Foraging Chacma Baboons ( Papio ursinus ) on the Cape Peninsula, South Africa

    Matthew C. Lewis;M. Justin O’Riain

  • The effects of extreme seasonality of climate and day length on the activity budget and diet of semi‐commensal chacma baboons (Papio ursinus) in the Cape Peninsula of South Africa

    Unknown

  • The dynamics of growth in naked mole-rats: the effects of litter order and changes in social structure

    M. J. O'Riain;J. U. M. Jarvis

  • Dietary niche relationships among predators on farmland and a protected area

    Marine Drouilly;Nicoli Nattrass;M. Justin O'Riain

Frequent Co-Authors

Nigel C. Bennett
Nigel C. Bennett University of Pretoria
Nicoli Nattrass
Nicoli Nattrass University of Cape Town
Andrew J. King
Andrew J. King University of Leicester
Matt W. Hayward
Matt W. Hayward University of Newcastle Australia
Jennifer U. M. Jarvis
Jennifer U. M. Jarvis University of Cape Town
Guy A. Balme
Guy A. Balme Panthera Corporation
Peter J. S. Fleming
Peter J. S. Fleming University of Southern Queensland
Benjamin L. Allen
Benjamin L. Allen University of Southern Queensland
Chris G. Faulkes
Chris G. Faulkes Queen Mary University of London
Clive W. Coen
Clive W. Coen King's College London

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Related Online Degrees & Career Pathways

Exploring Ecology and Evolution can open doors to a diverse range of rewarding career options. Many students expand their skillsets with related online degrees that help them understand complex human, animal, and environmental systems.

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These online degrees complement studies in Ecology and Evolution, building versatile foundations for careers in research, education, conservation, counseling, and community outreach.

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