World's Best Scientists 2026 revealed!
Ronald J. Brooks

Ronald J. Brooks

D-Index & Metrics

Ecology and Evolution

D-Index
57
Citations
9629
World Ranking
2756
National Ranking
178

Ronald J. Brooks 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 Ronald J. Brooks 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: 189 publications — 70th percentile

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

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

Ronald J. Brooks 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 Ronald J. Brooks 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: 57 D-Index — 69th percentile

69% of scientists in this discipline score the same or lower.

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

Overview

Ronald J. Brooks is affiliated with the University of Guelph in Canada and conducts research primarily within the field of Environmental Science. Their work focuses on several subfields, including Nature and Landscape Conservation, Ecology, Global and Planetary Change, Ecology, Evolution, Behavior and Systematics, and Oncology. The scientist's research topics span Turtle Biology and Conservation, Amphibian and Reptile Biology, Animal Behavior and Reproduction, Wildlife Ecology and Conservation, Animal Ecology and Behavior Studies, Ecology and Vegetation Dynamics Studies, as well as COVID-19 and healthcare impacts.

Brooks has published in multiple academic journals, with frequent venues including the Canadian Journal of Zoology, Zenodo (CERN European Organization for Nuclear Research), Health Services Research, The American Journal of Managed Care, and Biological Conservation.

Among recent papers, notable works include:

  • "Disruptions in preventive care: Mammograms during the COVID-19 pandemic" (2020) in Health Services Research
  • "Telemedicine catches on: changes in the utilization of telemedicine services during the COVID-19 pandemic" (2021) in The American Journal of Managed Care
  • "Predation and disease limit population recovery following 15 years of headstarting an endangered freshwater turtle" (2020) in Biological Conservation
  • "Sex, shells, and weaponry: coercive reproductive tactics in the painted turtle, Chrysemys picta" (2020) in Behavioral Ecology and Sociobiology
  • "Variation in space and time: a long-term examination of density-dependent dispersal in a woodland rodent" (2020) in Oecologia

Collaboration is evident in their work, with frequent coauthors including Jacqueline D. Litzgus, Patrick D. Moldowan, Njal Rollinson, Matthew G. Keevil, and Simon T. Denomme-Brown.

Best Publications

  • Eliminating autocorrelation reduces biological relevance of home range estimates

    Shane R. De Solla;Russell Bonduriansky;Ronald J. Brooks

  • Effects of a sudden increase in natural mortality of adults on a population of the common snapping turtle (Chelydra serpentina)

    Ronald J. Brooks;Gregory P. Brown;David A. Galbraith

  • Individual recognition by song in white-throated sparrows. I. Discrimination of songs of neighbors and strangers

    Ronald J. Brooks;J. Bruce Falls

  • Individual recognition by song in white-throated sparrows. II. Effects of location

    J. Bruce Falls;Ronald J. Brooks

  • The case for a cause-effect linkage between environmental contamination and development in eggs of the common snapping turtle (Chelydra S.serpentina) from Ontario, Canada.

    Christine A. Bishop;Ronald J. Brooks;John H. Carey;Peggy Ng

  • Maternal and environmental influences on growth and survival of embryonic and hatchling snapping turtles (Chelydra serpentina)

    Ronald J. Brooks;Michele L. Bobyn;David A. Galbraith;James A. Layfield

  • Current problems in the study of infanticidal behaviour of rodents: a review.

    J.B. Labov;U.W. Huck;Robert Elwood;R.J. Brooks

  • Hatchling turtles survive freezing during winter hibernation.

    Kenneth B. Storey;Janet M. Storey;Stephen P. J. Brooks;Thomas A. Churchill

  • Nest-site selection and offspring sex ratio in painted turtles, Chrysemys picta

    Lin Schwarzkopf;Ronald J. Brooks

  • Infanticide and other reproductive strategies in the collared lemming, Dicrostonyx groenlandicus

    Frank F. Mallory;Frank F. Mallory;Ronald J. Brooks

  • Social Behavior of Microtus pennsylvanicus in Relation to Seasonal Changes in Demography

    A. Bruce Webster;Ronald J. Brooks

  • Environmental contamination and developmental abnormalities in eggs and hatchlings of the common snapping turtle (Chelydra serpentina serpentina) from the Great Lakes-St Lawrence River basin (1989-1991).

    Christine A. Bishop;P. Ng;K.E. Pettit;S.W. Kennedy

  • Individual recognition by song in white-throated sparrows. III. Song features used in individual recognition

    Ronald J. Brooks;J. Bruce Falls

  • VALIDATION TESTS OF AN AMPHIBIAN CALL COUNT SURVEY TECHNIQUE IN ONTARIO, CANADA

    Leonard J. Shirose;Christine A. Bishop;David M. Green;Ronald J. Brooks

  • Interclutch and interpopulation variation in the effects of incubation conditions on sex, survival and growth of hatchling turtles (Chelydra serpentina)

    Michèle L. Bobyn;Ronald J. Brooks

  • LONG-TERM DYNAMICS OF SMALL-MAMMAL POPULATIONS IN ONTARIO

    John M. Fryxell;J. Bruce Falls;E. Ann Falls;Ronald J. Brooks

  • DENSITY DEPENDENCE, PREY DEPENDENCE, AND POPULATION DYNAMICS OF MARTENS IN ONTARIO

    John M. Fryxell;J. Bruce Falls;E. Ann Falls;Ronald J. Brooks

  • Sex determination in northern painted turtles: effect of incubation at constant and fluctuating temperatures

    Lin Schwarzkopf;Ronald J. Brooks

  • Impact of organochlorine contamination on levels of sex hormones and external morphology of common snapping turtles (Chelydra serpentina serpentina) in Ontario, Canada.

    S R de Solla;C A Bishop;G Van der Kraak;R J Brooks

  • A Radio-telemetry and Mark-Recapture Study of Activity in the Common Snapping Turtle, Chelydra serpentina

    Martyn E. Obbard;Ronald J. Brooks

Frequent Co-Authors

Jacqueline D. Litzgus
Jacqueline D. Litzgus Laurentian University
David W. Galbraith
David W. Galbraith University of Arizona
Gregory P. Brown
Gregory P. Brown Macquarie University
J. Bruce Falls
J. Bruce Falls University of Toronto
Christine A. Bishop
Christine A. Bishop Environment and Climate Change Canada
Russell Bonduriansky
Russell Bonduriansky University of New South Wales
John M. Fryxell
John M. Fryxell University of Guelph
Doug P. Armstrong
Doug P. Armstrong Massey University
Stephen C. Lougheed
Stephen C. Lougheed Queen's University
Jay R. Malcolm
Jay R. Malcolm University of Toronto

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

Studying Ecology and Evolution opens doors to diverse career options beyond traditional research or academia. For students interested in integrating behavioral science with environmental studies, psychology degrees offer valuable pathways to specialized roles.

Those drawn to the human side of science can explore highest paying forensic psychology jobs, which often involve applying psychological expertise to criminal investigations—a field increasingly connected to environmental and wildlife crime.

If supporting children and families appeals to you, consider an online child psychology masters. This degree can lead to careers in education, healthcare, or community work, where knowledge of ecological and evolutionary factors is immensely valuable.

For broader opportunities in mental health, online masters degrees in counseling provide flexible study options, preparing graduates for roles in schools, organizations, or private practice.

You might also consider clinical psychology masters programs online, which emphasize diagnosing and treating mental health conditions—a unique crossover opportunity for those interested in both ecology and human wellbeing.

Best Scientists Citing Ronald J. Brooks

Trending Scientists