World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
35
Citations
10231
World Ranking
7242
National Ranking
732

Regan Early 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 Regan Early 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: 84 publications — 9th percentile

9% of scientists in this discipline score the same or lower.

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

Regan Early 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 Regan Early 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: 35 D-Index — 14th percentile

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

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

Overview

Regan Early is affiliated with the University of Exeter in the United Kingdom and specializes in environmental science and agricultural and biological sciences. Their research encompasses a range of topics related to species distribution and climate change, ecology, and plant and animal studies.

Their work spans several subfields of study including ecological modeling, nature and landscape conservation, ecology, evolution, behavior and systematics, and global and planetary change. This interdisciplinary approach supports investigations into both fundamental ecological processes and applied environmental challenges.

Key research topics addressed throughout their career cover:

  • Species Distribution and Climate Change
  • Ecology and Vegetation Dynamics Studies
  • Plant and Animal Studies
  • Insect and Arachnid Ecology and Behavior
  • Insect Resistance and Genetics
  • Wildlife Ecology and Conservation
  • Plant Parasitism and Resistance

They have contributed frequently to several publication venues, particularly:

  • Global Ecology and Biogeography
  • Nature Climate Change
  • Pest Management Science
  • People and Nature
  • Scientific Reports

Recent academic papers published by Regan Early include:

  • "Adjusting the lens of invasion biology to focus on the impacts of climate-driven range shifts" (2020, Nature Climate Change)
  • "Macroclimate data overestimate range shifts of plants in response to climate change" (2023, Nature Climate Change)
  • "The problem of scale in predicting biological responses to climate" (2020, Global Change Biology)
  • "Understanding the combined impacts of weeds and climate change on crops" (2021, Environmental Research Letters)
  • "Climate change impacts on long-term forest productivity might be driven by species turnover rather than by changes in tree growth" (2020, Global Ecology and Biogeography)

Collaborations form a significant part of their research activity. Frequent co-authors include:

  • Montserrat Vilà
  • Ilya M. D. Maclean
  • Evelyn M. Beaury
  • Dana M. Blumenthal
  • Bethany A. Bradley

Best Publications

  • Global threats from invasive alien species in the twenty-first century and national response capacities

    Regan Early;Bethany A. Bradley;Jeffrey S. Dukes;Joshua J. Lawler

  • Fall armyworm: impacts and implications for Africa.

    I. Rwomushana;M. Bateman;T. Beale;P. Beseh

  • 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

  • Prioritizing multiple-use landscapes for conservation: methods for large multi-species planning problems.

    Atte Moilanen;Aldina M.A Franco;Regan I Early;Richard Fox

  • Will Extreme Climatic Events Facilitate Biological Invasions

    Jeffrey M Diez;Carla M D'Antonio;Jeffrey S Dukes;Edwin D Grosholz

  • Multidimensional evaluation of managed relocation.

    David M. Richardson;Jessica J. Hellmann;Jason S. McLachlan;Dov F. Sax

  • The changing role of ornamental horticulture in alien plant invasions

    Mark van Kleunen;Mark van Kleunen;Franz Essl;Jan Pergl;Giuseppe Brundu

  • Forecasting the global extent of invasion of the cereal pest Spodoptera frugiperda, the fall armyworm

    Regan Early;Pablo González-Moreno;Sean T. Murphy;Roger Day

  • Climatic niche shifts between species' native and naturalized ranges raise concern for ecological forecasts during invasions and climate change

    Regan Early;Regan Early;Regan Early;Dov F. Sax

  • Global change, global trade, and the next wave of plant invasions

    Bethany A. Bradley;Dana M. Blumenthal;Regan Early;Edwin D. Grosholz

  • Managed Relocation: Integrating the Scientific, Regulatory, and Ethical Challenges

    Mark W. Schwartz;Jessica J. Hellmann;Jason M. McLachlan;Dov F. Sax

  • Disentangling the abundance-impact relationship for invasive species.

    Bethany A Bradley;Brittany B Laginhas;Raj Whitlock;Jenica M Allen

  • Prediction of migratory routes of the invasive fall armyworm in eastern China using a trajectory analytical approach

    Xi-Jie Li;Ming-Fei Wu;Jian Ma;Bo-Ya Gao;Bo-Ya Gao

  • Usefulness of Species Traits in Predicting Range Shifts

    Alba Estrada;Ignacio Morales-Castilla;Paul Caplat;Regan Early

  • Adjusting the lens of invasion biology to focus on the impacts of climate-driven range shifts

    Piper D. Wallingford;Toni Lyn Morelli;Toni Lyn Morelli;Jenica M. Allen;Jenica M. Allen;Jenica M. Allen;Evelyn M. Beaury

  • Integrating invasive species policies across ornamental horticulture supply-chains to prevent plant invasions

    Philip E. Hulme;Giuseppe Brundu;Marta Carboni;Marta Carboni;Katharina Dehnen-schmutz

  • Niche syndromes, species extinction risks, and management under climate change

    Dov F. Sax;Regan Early;Regan Early;Jesse Bellemare

  • Minimum viable metapopulation size, extinction debt, and the conservation of a declining species.

    Caroline R. Bulman;Robert J. Wilson;Alison R. Holt;Lucía Gálvez Bravo

  • Analysis of climate paths reveals potential limitations on species range shifts

    Regan Early;Dov F. Sax

  • Macroclimate data overestimate range shifts of plants in response to climate change

    Unknown

  • How complex should models be? Comparing correlative and mechanistic range dynamics models

    Damien A. Fordham;Cleo Bertelsmeier;Cleo Bertelsmeier;Barry W. Brook;Regan Early

Frequent Co-Authors

Dov F. Sax
Dov F. Sax Brown University
Miguel B. Araújo
Miguel B. Araújo University of Évora
Bethany A. Bradley
Bethany A. Bradley University of Massachusetts Amherst
Cascade J. B. Sorte
Cascade J. B. Sorte University of California, Irvine
Dana M. Blumenthal
Dana M. Blumenthal Agricultural Research Service
Jeffrey S. Dukes
Jeffrey S. Dukes Purdue University West Lafayette
Jeffrey M. Diez
Jeffrey M. Diez University of California, Riverside
Inés Ibáñez
Inés Ibáñez University of Michigan–Ann Arbor
Chris D. Thomas
Chris D. Thomas University of York

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