World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
46
Citations
9677
World Ranking
4603
National Ranking
504

Andrew W. Illius 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 Andrew W. Illius 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: 79 publications — 6th percentile

6% of scientists in this discipline score the same or lower.

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

Andrew W. Illius 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 Andrew W. Illius 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: 46 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2006 - Fellow of the Royal Society of Edinburgh

Overview

Andrew W. Illius is affiliated with the University of Edinburgh in the United Kingdom. Their research spans several intersecting fields with a focus on Environmental Science, Immunology and Microbiology, and Agricultural and Biological Sciences. The subfields of study include Virology, Agronomy and Crop Science, Management, Monitoring, Policy and Law, Ecology, as well as Sociology and Political Science.

Illius's work covers a diverse range of topics. These include:

  • HIV Research and Treatment
  • Animal Disease Management and Epidemiology
  • Rangeland Management and Livestock Ecology
  • Rangeland and Wildlife Management
  • Transboundary Water Resource Management
  • Mosquito-borne diseases and control
  • Herpesvirus Infections and Treatments

Their publication record includes papers in well-regarded scientific venues. Frequent publication venues for Illius are the Journal of Applied Ecology, PLoS ONE, and Preventive Veterinary Medicine.

Recent notable publications include:

  • Strategies for global rangeland stewardship: Assessment through the lens of the equilibrium-non-equilibrium debate, 2020, Journal of Applied Ecology
  • Epidemiology and control of maedi-visna virus: Curing the flock, 2020, PLoS ONE
  • Maternal transmission of Small Ruminant Lentivirus has no epidemiological importance, 2024, Preventive Veterinary Medicine

Collaborations are an important component of Illius's research activity. Frequent co-authors include:

  • Nicholas J. Savill
  • David D. Briske
  • D. Layne Coppock
  • Samuel D. Fuhlendorf
  • Karianne Lievaart-Peterson

In 2006, Andrew W. Illius was recognized as a Fellow of the Royal Society of Edinburgh.

Best Publications

  • ON THE RELEVANCE OF NONEQUILIBRIUM CONCEPTS TO ARID AND SEMIARID GRAZING SYSTEMS

    A. W. Illius;T. G. O’Connor

  • The allometry of food intake in grazing ruminants

    A.W. Illius;I.J. Gordon

  • The Ecology and Management of Grazing Systems

    Iain Gordon;J. Hodgson;A.W. Illius

  • Modelling the nutritional ecology of ungulate herbivores: evolution of body size and competitive interactions

    A. W. Illius;I. J. Gordon

  • Resource heterogeneity and ungulate population dynamics

    A. W. Illius;T. G. O'Connor

  • Incisor arcade structure and diet selection in ruminants

    I.J. Gordon;A.W. Illius

  • Influences of feeding level and physical restriction on development of stereotypies in sows

    E. M C Terlouw;Alistair Lawrence;A. W. Illius

  • Prediction of intake and digestion in ruminants by a model of rumen kinetics integrating animal size and plant characteristics

    A. W. Illius;I. J. Gordon

  • Megaherbivores influence trophic guilds structure in African ungulate communities

    Hervé Fritz;Patrick Duncan;Iain J. Gordon;Andrew W. Illius

  • Stability and Instability in Ungulate Populations: An Empirical Analysis

    T. H. Clutton-Brock;A. W. Illius;K. Wilson;K. Wilson;B. T. Grenfell

  • Resource partitioning by ungulates on the Isle of Rhum.

    I. J. Gordon;A. W. Illius

  • The functional significance of the browser-grazer dichotomy in African ruminants.

    Iain J. Gordon;Andrew W. Illius

  • Vegetation modification and resource competition in grazing ungulates

    Martyn G. Murray;Andrew W. Illius

  • Costs of vigilance in foraging ungulates

    Unknown

  • Repeated selection of morphometric traits in the Soay sheep on St Kilda

    J M Milner;S D Albon;Andrew Illius;Josephine Pemberton

  • The nutritional ecology of African ruminants: A reinterpretation

    Iain J. Gordon;Andrew W. Illius

  • Spatial and temporal variability modify density dependence in populations of large herbivores

    Guiming Wang;N. Thompson Hobbs;Randall B. Boone;Andrew W. Illius

  • The Ecology and Management of Grazing Systems

    J. Hodgson;A. W. Illius

  • Individual differences in behavioural responses of pigs exposed to non-social and social challenges

    Alistair Lawrence;E. M C Terlouw;Andrew Illius

  • DIET SELECTION IN GOATS: A TEST OF INTAKE-RATE MAXIMIZATION

    A. W. Illius;I. J. Gordon;D. A. Elston;J. D. Milne

  • Discrimination and patch choice by sheep grazing grass-clover swards

    A. W. Illius;D. A. Clark;J. Hodgson

Frequent Co-Authors

Iain J. Gordon
Iain J. Gordon James Hutton Institute
Alistair Lawrence
Alistair Lawrence Scotland's Rural College
Ilias Kyriazakis
Ilias Kyriazakis Queen's University Belfast
Bert J. Tolkamp
Bert J. Tolkamp Scotland's Rural College
John R. Speakman
John R. Speakman University of Aberdeen
Tim H. Clutton-Brock
Tim H. Clutton-Brock University of Cambridge
Steve D. Albon
Steve D. Albon James Hutton Institute
David A. Elston
David A. Elston James Hutton Institute
Timothy G. O’Connor
Timothy G. O’Connor University of the Witwatersrand
Kenneth Wilson
Kenneth Wilson Lancaster University

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Related Online Degrees & Career Pathways

Studying Ecology and Evolution in the USA opens doors to a diverse range of career pathways—in research, environmental policy, education, conservation, and more. If you’re exploring alternative or complementary fields, several online degrees can help expand your job prospects or inspire a new direction. For example, a online architecture degree programs can lead to environmentally-conscious design roles and stewardship of sustainable spaces.

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Considering a career change? The skills developed in teaching or research can translate well into new sectors; see how a career change for teachers higher pay can lead to lucrative and fulfilling opportunities—demonstrating the transferability of ecology and evolution expertise.

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