World's Best Scientists 2026 revealed!
D. Dudley Williams

D. Dudley Williams

D-Index & Metrics

Ecology and Evolution

D-Index
58
Citations
13219
World Ranking
2544
National Ranking
165

D. Dudley Williams 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 D. Dudley Williams 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: 183 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

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

D. Dudley Williams 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 D. Dudley Williams 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

D. Dudley Williams is affiliated with the University of Toronto in Canada and has made contributions primarily in the field of Environmental Science, with a focus on Ecology and related subfields. Their research encompasses Ecology, Nature and Landscape Conservation, Environmental Chemistry, Global and Planetary Change, and General Health Professions.

The scientist's work addresses multiple topics such as Fish Ecology and Management Studies, Freshwater macroinvertebrate diversity and ecology, Aquatic Invertebrate Ecology and Behavior, Hydrology and Sediment Transport Processes, Soil and Water Nutrient Dynamics, Indigenous Studies and Ecology, and Environmental and Cultural Studies in Latin America and Beyond.

Key recent publications include the following:

  • The sustainable agriculture imperative: A perspective on the need for an agrosystem approach to meet the United Nations Sustainable Development Goals by 2030, 2021, Integrated Environmental Assessment and Management
  • Ecological research 'in a good way' means ethical and equitable relationships with Indigenous Peoples and Lands, 2024, Nature Ecology & Evolution
  • Negative resistance and resilience: biotic mechanisms underpin delayed biological recovery in stream restoration, 2021, Proceedings of the Royal Society B Biological Sciences
  • Monitoring biodiversity loss in rapidly changing Afrotropical ecosystems: an emerging imperative for governance and research, 2023, Philosophical Transactions of the Royal Society B Biological Sciences
  • Combining Tools from Edge-of-Field to In-Stream to Attenuate Reactive Nitrogen along Small Agricultural Waterways, 2020, Water

Dudley Williams collaborates frequently with several researchers, including Angus R. McIntosh, Helen J. Warburton, Jon S. Harding, Brandon C. Goeller, and Katie Collins. These coauthors have contributed jointly to multiple studies, reflecting ongoing research partnerships.

Their work is often published in venues such as the Journal of Great Lakes Research, Restoration Ecology, New Zealand Journal of Marine and Freshwater Research, Case Studies in the Environment, and Aquatic Ecosystem Health & Management, indicating a focus on applied and ecosystem-related environmental science research.

Best Publications

  • Buffer Zone versus Whole Catchment Approaches to Studying Land Use Impact on River Water Quality

    Lucie Sliva;D Dudley Williams

  • The biology of temporary waters.

    D. D. Williams

  • The Ecology of Temporary Waters

    D. Dudley Williams

  • Environmental Constraints in Temporary Fresh Waters and Their Consequences for the Insect Fauna

    D. Dudley Williams

  • The occurrence of benthos deep in the substratum of a stream

    D. Dudley Williams;H. B. N. Hynes

  • The recolonization mechanisms of stream benthos

    Dudley Williams;H.B.N. Hynes

  • Factors controlling riffle‐scale hyporheic exchange flows and their seasonal changes in a gaining stream: A three‐dimensional groundwater flow model

    Richard G. Storey;Kenneth W. F. Howard;D. Dudley Williams

  • How important are rare species in aquatic community ecology and bioassessment

    Yong Cao;Dudley D. Williams;Nancy E. Williams

  • Road salt contamination of groundwater in a major metropolitan area and development of a biological index to monitor its impact.

    D.Dudley Williams;Nancy E. Williams;Yong Cao

  • Response of Stream Invertebrates to a Global‐Warming Thermal Regime: An Ecosystem‐Level Manipulation

    Ian D. Hogg;Ian D. Hogg;D. Dudley Williams

  • Increased cuticular carbon sequestration and lignin oxidation in response to soil warming

    Xiaojuan Feng;André J. Simpson;Kevin P. Wilson;D. Dudley Williams

  • Temporary ponds and their invertebrate communities

    D. Dudley Williams;D. Dudley Williams

  • The Importance of Temporal Resolution in Food Web Analysis: Evidence from a Detritus-Based Stream

    Annette F. Tavares-Cromar;D. Dudley Williams

  • COMPARISON OF ECOLOGICAL COMMUNITIES: THE PROBLEM OF SAMPLE REPRESENTATIVENESS

    Yong Cao;D. Dudley Williams;David P. Larsen

  • Biological, chemical and physical characteristics of downwelling and upwelling zones in the hyporheic zone of a north-temperate stream

    Rob J. M. Franken;Richard G. Storey;D. Dudley Williams

  • Towards a biological and chemical definition of the hyporheic zone in two Canadian rivers

    D. Dudley Williams

  • The upstream/downstream movement paradox of lotic invertebrates: quantitative evidence from a Welsh mountain stream

    D. Dudley Williams;Nancy E. Williams

  • Some relationships between stream benthos and substrate heterogeneity

    D. Dudley Williams

  • The role of semiochemicals in benthic community relationships of the lotic amphipod Gammarus pseudolimnaeus : a laboratory analysis

    D. Dudley Williams;Kathryn A. Moore

  • Perspectives and predictions on the microbial ecology of the hyporheic zone

    R. G. Storey;R. R. Fulthorpe;D. D. Williams

  • Behavior of Crayfish in Water Currents: Hydrodynamics of Eight Species with Reference to Their Distribution Patterns in Southern Ontario

    Stephen H. Maude;D. Dudley Williams

Frequent Co-Authors

Ian D. Hogg
Ian D. Hogg University of Waikato
Felix Bärlocher
Felix Bärlocher Mount Allison University
Margaret A. Palmer
Margaret A. Palmer University of Maryland, College Park
Hugh V. Danks
Hugh V. Danks Okayama University
John M. Eadie
John M. Eadie University of California, Davis
André J. Simpson
André J. Simpson University of Toronto
Myrna J. Simpson
Myrna J. Simpson University of Toronto
Ken W. F. Howard
Ken W. F. Howard University of Toronto
John A. Westgate
John A. Westgate University of Toronto
Byron C. Crump
Byron C. Crump Oregon State University

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Related Online Degrees & Career Pathways

Studying Ecology and Evolution in the USA opens doors to a variety of careers in science, conservation, education, and beyond. For those interested in blending biology with mental health or community work, pursuing an online master in clinical psychology can help bridge scientific knowledge with hands-on practice in counseling or behavioral research.

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If you're considering a shift to education or therapeutic roles, knowing the education required to be a speech pathologist is valuable. This path emphasizes both biological sciences and human development, ideal for those with a background in ecology.

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