World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
81
Citations
31931
World Ranking
773
National Ranking
116

Richard D. Gregory 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 Richard D. Gregory 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: 179 publications — 66th percentile

66% of scientists in this discipline score the same or lower.

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

Richard D. Gregory 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 Richard D. Gregory 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: 81 D-Index — 91st percentile

91% of scientists in this discipline score the same or lower.

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

Overview

Richard D. Gregory is affiliated with University College London in the United Kingdom. Their research primarily focuses on Environmental Science, with substantial contributions in Ecology, Ecological Modeling, Nature and Landscape Conservation, Global and Planetary Change, and Management, Monitoring, Policy and Law.

Themes central to Gregory's work include Species Distribution and Climate Change, Wildlife Ecology and Conservation, Ecology and Vegetation Dynamics Studies, Avian ecology and behavior, Genetic diversity and population structure, Land Use and Ecosystem Services, and Animal and Plant Science Education.

They have published recent scientific papers such as:

  • Farmland practices are driving bird population decline across Europe (2023), published in Proceedings of the National Academy of Sciences
  • Global effects of land-use intensity on local pollinator biodiversity (2021), published in Nature Communications
  • A state-of-the-art review on birds as indicators of biodiversity: Advances, challenges, and future directions (2020), published in Ecological Indicators
  • Complex long-term biodiversity change among invertebrates, bryophytes and lichens (2020), published in Nature Ecology & Evolution
  • A biodiversity target based on species extinctions (2020), published in Science

Frequent coauthors who have collaborated extensively with Gregory include:

  • Alena Klvaňová
  • Eva Šilarová
  • Anna Staneva
  • David G. Noble
  • Virginia Escandell

Their work appears mainly in scientific venues such as:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Ecological Indicators
  • Philosophical Transactions of the Royal Society B Biological Sciences
  • Science
  • Conservation Biology

Best Publications

  • Global Biodiversity: Indicators of Recent Declines

    Stuart H.M. Butchart;Stuart H.M. Butchart;Matt Walpole;Ben Collen;Arco Van Strien

  • Essential biodiversity variables

    H M Pereira;S Ferrier;M Walters;G N Geller

  • A mid-term analysis of progress toward international biodiversity targets

    Derek P. Tittensor;Derek P. Tittensor;Matt Walpole;Samantha L. L. Hill;Daniel G. Boyce;Daniel G. Boyce

  • Developing indicators for European birds

    Richard D Gregory;Arco van Strien;Petr Vorisek;Adriaan W Gmelig Meyling

  • Patterns of natal and breeding dispersal in birds

    Emmanuel Paradis;Emmanuel Paradis;Stephen R. Baillie;William J. Sutherland;Richard D. Gregory

  • Abundance–occupancy relationships

    Kevin J. Gaston;Tim M. Blackburn;Jeremy J.D. Greenwood;Richard D. Gregory

  • Population declines and range contractions among lowland farmland birds in Britain

    R.J. Fuller;R.D. Gregory;D.W. Gibbons;J.H. Marchant

  • EU agricultural reform fails on biodiversity

    G. Pe'er;L. V. Dicks;P. Visconti;R. Arlettaz

  • The Convention on Biological Diversity's 2010 target

    Andrew Balmford;Leon Bennun;Ben ten Brink;David Cooper

  • Common European birds are declining rapidly while less abundant species' numbers are rising

    Richard Inger;Richard Gregory;James P. Duffy;Iain Stott

  • Bird census and survey techniques

    Richard D. Gregory;David W. Gibbons;Paul F. Donald

  • Wild Bird Indicators: Using Composite Population Trends of Birds as Measures of Environmental Health

    Richard D. Gregory;Arco van Strien

  • The decline of Afro-Palaearctic migrants and an assessment of potential causes

    Juliet A. Vickery;Steven R. Ewing;Ken W. Smith;Deborah J. Pain

  • What makes an urban bird

    Karl L. Evans;Dan E. Chamberlain;Ben J. Hatchwell;Richard D. Gregory

  • Farmland practices are driving bird population decline across Europe

    Unknown

  • An indicator of the impact of climatic change on European bird populations.

    Richard D. Gregory;Stephen G. Willis;Frédéric Jiguet;Petr Voříšek

  • International Conservation Policy Delivers Benefits for Birds in Europe

    Paul F. Donald;Fiona J. Sanderson;Ian J. Burfield;Stijn M. Bierman

  • Using birds as indicators of biodiversity

    R. D. Gregory;D. Noble;R. Field;J. Marchant

  • Birds of Conservation Concern 3 The population status of birds in the United Kingdom, Channel Islands and Isle of Man

    Mark A. Eaton;Andy F. Brown;David G. Noble;Andy J. Musgrove

  • Population trends of widespread woodland birds in Europe

    Richard D. Gregory;Petr Vorisek;Arco Van Strien;Adriaan W. Gmelig Meyling

  • The state of play of farmland birds: population trends and conservation status of lowland farmland birds in the United Kingdom

    Richard D. Gregory;David G. Noble;John Custance

Frequent Co-Authors

Kevin J. Gaston
Kevin J. Gaston University of Exeter
Tim M. Blackburn
Tim M. Blackburn University College London
David G. Noble
David G. Noble British Trust for Ornithology
Stephen R. Baillie
Stephen R. Baillie British Trust for Ornithology
Stuart H. M. Butchart
Stuart H. M. Butchart BirdLife international, UK
Rhys E. Green
Rhys E. Green University of Cambridge
William J. Sutherland
William J. Sutherland University of Cambridge
Stephen G. Willis
Stephen G. Willis Durham University
Henrique M. Pereira
Henrique M. Pereira Martin Luther University Halle-Wittenberg
David W. Gibbons
David W. Gibbons Cambridge Conservation Initative

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 career pathways with an Ecology and Evolution focus often means considering interdisciplinary roles in research, education, healthcare, or policy. Many students look into online degree options that provide both flexibility and clear routes to advanced positions.

For those with a nursing background seeking a transition, adn to np programs offer a bridge to higher-level practice roles. If you're starting fresh without a nursing degree but want to move directly into this field, check out options like direct entry msn programs for non nurses online.

Choosing the right college for your online studies can be challenging. Many compare popular institutions to find the best fit for quality and flexibility; learn more about how to decide at which school is better snhu vs wgu.

Finally, for those interested in progressing from registered nurse to advanced practice, rn to bsn to msn online programs cater to various starting points and career goals. These programs can help you leverage your scientific training into specialized and leadership roles.

Best Scientists Citing Richard D. Gregory

Trending Scientists

Recently Published Articles