World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
58
Citations
40364
World Ranking
2487
National Ranking
34

Robert B. O'Hara 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 Robert B. O'Hara 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: 144 publications — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Robert B. O'Hara 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 Robert B. O'Hara 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: 58 D-Index — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Overview

Robert B. O'Hara is affiliated with the Norwegian University of Science and Technology in Norway. Their research primarily focuses on Environmental Science, with a strong emphasis on subfields such as Ecological Modeling, Nature and Landscape Conservation, Ecology, Ecology, Evolution, Behavior and Systematics, and Infectious Diseases.

The main topics covered in their work include Species Distribution and Climate Change, Ecology and Vegetation Dynamics Studies, Wildlife Ecology and Conservation, Plant and Animal Studies, Zoonotic Diseases and Public Health, Meta-analysis and Systematic Reviews, and Scientometrics and Bibliometrics Research.

O'Hara has coauthored numerous papers with frequent collaborators including Kwaku Peprah Adjei, Bert van der Veen, Emily G. Simmonds, Jorge Sicacha-Parada, and Emma Sofie Skarstein.

The scientist has published articles in several venues repeatedly, including arXiv (Cornell University), bioRxiv (Cold Spring Harbor Laboratory), Trends in Ecology & Evolution, Ecography, and Methods in Ecology and Evolution.

Selected recent papers include:

  • "Rewriting results sections in the language of evidence" (2021, Trends in Ecology & Evolution)
  • "Is more data always better? A simulation study of benefits and limitations of integrated distribution models" (2020, Ecography)
  • "Ecological mechanisms explaining interactions within plant-hummingbird networks: morphological matching increases towards lower latitudes" (2020, Proceedings of the Royal Society B Biological Sciences)
  • "Species distribution models are inappropriate for COVID-19" (2020, Nature Ecology & Evolution)
  • "Limited climatic space for alternative ecosystem states in Africa" (2023, Science)

Best Publications

  • vegan: Community Ecology Package

    Jari Oksanen;F. Guillaume Blanchet;Roeland Kindt;Pierre Legendre

  • Do not log-transform count data

    Robert B. O’Hara;D. Johan Kotze

  • Moving in the Anthropocene : global reductions in terrestrial mammalian movements

    Marlee A. Tucker;Katrin Böhning-Gaese;William F. Fagan;John M. Fryxell

  • Making BUGS open

    Andrew Thomas;Robert O'Hara;Uwe Ligges;Sibylle Sturtz

  • Standards for distribution models in biodiversity assessments

    Miguel B. Araujo;Miguel B. Araujo;Miguel B. Araujo;Robert P. Anderson;Robert P. Anderson;Robert P. Anderson;A. Marcia Barbosa;Colin Michael Beale

  • A review of Bayesian variable selection methods: what, how and which

    R. B. O'Hara;M. J. Sillanpää

  • So Many Variables: Joint Modeling in Community Ecology.

    David I. Warton;F. Guillaume Blanchet;Robert B. O’Hara;Otso Ovaskainen;Otso Ovaskainen

  • Understanding co-occurrence by modelling species simultaneously with a Joint Species Distribution Model (JSDM)

    Laura J. Pollock;Reid Tingley;William K. Morris;Nick Golding

  • Comparative studies of quantitative trait and neutral marker divergence: a meta-analysis.

    T. Leinonen;R. B. O’Hara;J. M. Cano;J. Merilä

  • Q ST – F ST comparisons: evolutionary and ecological insights from genomic heterogeneity

    Tuomas Leinonen;R. J. Scott McCairns;Robert B. O'Hara;Juha Merilä

  • Towards novel approaches to modelling biotic interactions in multispecies assemblages at large spatial extents

    W. D. Kissling;Carsten F. Dormann;Carsten F. Dormann;Juergen Groeneveld;Juergen Groeneveld;Thomas Hickler

  • Social learning of migratory performance

    Thomas Mueller;Thomas Mueller;Thomas Mueller;Robert B. O’Hara;Sarah J. Converse;Richard P. Urbanek

  • Species decline--but why? Explanations of carabid beetle (Coleoptera, Carabidae) declines in Europe.

    D. Johan Kotze;Robert B. O'Hara

  • Data Integration for Large-Scale Models of Species Distributions

    Nick J.B. Isaac;Marta A. Jarzyna;Petr Keil;Lea I. Dambly

  • How to understand species' niches and range dynamics: a demographic research agenda for biogeography

    Frank M. Schurr;Frank M. Schurr;Frank M. Schurr;Joern Pagel;Juliano Sarmento Cabral;Juergen Groeneveld;Juergen Groeneveld

  • Latitudinal divergence of common frog (Rana temporaria) life history traits by natural selection: evidence from a comparison of molecular and quantitative genetic data.

    Jukka Palo;Robert B. O'Hara;Ane T. Laugen;Anssi Laurila

  • Bias and precision in QST estimates: problems and some solutions.

    R B O'Hara;Juha Merilä

  • Species richness estimators: how many species can dance on the head of a pin?

    R. B. O'hara

  • Host Genotype Shapes the Foliar Fungal Microbiome of Balsam Poplar (Populus balsamifera)

    Miklós Bálint;Peter L Tiffin;Björn Hallström;Robert B. O'Hara

  • Connecting dynamic vegetation models to data – an inverse perspective

    Florian Hartig;James Dyke;Thomas Hickler;Steven I. Higgins

  • What drives community dynamics

    Crispin M. Mutshinda;Robert B. O'Hara;Ian P. Woiwod

Frequent Co-Authors

Konstans Wells
Konstans Wells Swansea University
Juha Merilä
Juha Merilä University of Hong Kong
Frank M. Schurr
Frank M. Schurr University of Hohenheim
D. Johan Kotze
D. Johan Kotze University of Helsinki
Steven I. Higgins
Steven I. Higgins University of Bayreuth
Thomas Hickler
Thomas Hickler Goethe University Frankfurt
Otso Ovaskainen
Otso Ovaskainen University of Jyväskylä
Anna Kuparinen
Anna Kuparinen University of Jyväskylä
Christine Römermann
Christine Römermann Friedrich Schiller University Jena
Michael Veith
Michael Veith University of Trier

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