World's Best Scientists 2026 revealed!
Robert J. Hudson

Robert J. Hudson

D-Index & Metrics

Animal Science and Veterinary

D-Index
42
Citations
7247
World Ranking
990
National Ranking
74

Robert J. Hudson publication distribution in Animal Science and Veterinary in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Animal Science and Veterinary in 2026. The highlighted bar marks where Robert J. Hudson sits on this spectrum.

29–33 publications: 1 scientists 34–38 publications: 6 scientists 39–43 publications: 17 scientists 44–48 publications: 23 scientists 49–53 publications: 28 scientists 54–58 publications: 44 scientists 59–63 publications: 66 scientists 64–68 publications: 75 scientists 69–73 publications: 71 scientists 74–78 publications: 85 scientists 79–83 publications: 108 scientists 84–88 publications: 105 scientists 89–93 publications: 84 scientists 94–98 publications: 103 scientists 99–103 publications: 97 scientists 104–108 publications: 95 scientists 109–113 publications: 89 scientists 114–118 publications: 88 scientists 119–123 publications: 109 scientists 124–128 publications: 93 scientists 129–133 publications: 89 scientists 134–138 publications: 95 scientists 139–143 publications: 92 scientists 144–148 publications: 80 scientists 149–153 publications: 75 scientists 154–158 publications: 74 scientists 159–163 publications: 67 scientists 164–168 publications: 53 scientists 169–173 publications: 62 scientists 174–178 publications: 63 scientists 179–183 publications: 50 scientists 184–188 publications: 55 scientists 189–193 publications: 50 scientists 194–198 publications: 27 scientists 199–203 publications: 44 scientists 204–208 publications: 31 scientists 209–213 publications: 28 scientists 214–218 publications: 38 scientists 219–223 publications: 33 scientists 224–228 publications: 36 scientists 229–233 publications: 29 scientists 234–238 publications: 35 scientists 239–243 publications: 23 scientists 244–248 publications: 24 scientists 249–253 publications: 29 scientists 254–258 publications: 28 scientists 259–263 publications: 21 scientists 264–268 publications: 25 scientists 269–273 publications: 11 scientists 274–278 publications: 18 scientists 279–283 publications: 13 scientists 284–288 publications: 18 scientists 289–293 publications: 10 scientists 294–298 publications: 12 scientists 299–303 publications: 11 scientists 304–308 publications: 15 scientists 309–313 publications: 14 scientists 314–318 publications: 14 scientists 319–323 publications: 8 scientists 324–328 publications: 8 scientists 329–333 publications: 13 scientists 334–338 publications: 14 scientists 339–343 publications: 13 scientists 344–348 publications: 10 scientists 349–353 publications: 11 scientists 354–358 publications: 5 scientists 359–363 publications: 8 scientists 364–368 publications: 8 scientists 369–373 publications: 6 scientists 374–378 publications: 7 scientists 379–383 publications: 8 scientists 384–388 publications: 3 scientists 389–393 publications: 4 scientists 394–398 publications: 5 scientists 399–403 publications: 8 scientists 404–408 publications: 5 scientists 409–413 publications: 4 scientists 414–418 publications: 3 scientists 419–423 publications: 8 scientists 424–428 publications: 5 scientists 429–433 publications: 3 scientists 434–438 publications: 5 scientists 439–441 publications: 5 scientists 442+ publications: 99 scientists
29 publications 442+

This scientist: 140 publications — 51st percentile

51% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 442 publications or more.

Robert J. Hudson D-index placement in Animal Science and Veterinary in 2026

The chart shows the D-index (discipline H-index) distribution of Animal Science and Veterinary scientists ranked by Research.com in 2026. The highlighted bar marks where Robert J. Hudson sits on this spectrum.

20 D-Index: 5 scientists 21 D-Index: 22 scientists 22 D-Index: 31 scientists 23 D-Index: 44 scientists 24 D-Index: 53 scientists 25 D-Index: 66 scientists 26 D-Index: 80 scientists 27 D-Index: 101 scientists 28 D-Index: 106 scientists 29 D-Index: 116 scientists 30 D-Index: 154 scientists 31 D-Index: 158 scientists 32 D-Index: 143 scientists 33 D-Index: 137 scientists 34 D-Index: 126 scientists 35 D-Index: 134 scientists 36 D-Index: 112 scientists 37 D-Index: 115 scientists 38 D-Index: 105 scientists 39 D-Index: 111 scientists 40 D-Index: 107 scientists 41 D-Index: 87 scientists 42 D-Index: 74 scientists 43 D-Index: 62 scientists 44 D-Index: 61 scientists 45 D-Index: 41 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 40 scientists 51 D-Index: 34 scientists 52 D-Index: 33 scientists 53 D-Index: 43 scientists 54 D-Index: 16 scientists 55 D-Index: 32 scientists 56 D-Index: 21 scientists 57 D-Index: 18 scientists 58 D-Index: 28 scientists 59 D-Index: 33 scientists 60 D-Index: 17 scientists 61 D-Index: 21 scientists 62 D-Index: 18 scientists 63 D-Index: 21 scientists 64 D-Index: 9 scientists 65 D-Index: 20 scientists 66 D-Index: 11 scientists 67 D-Index: 16 scientists 68 D-Index: 12 scientists 69 D-Index: 17 scientists 70 D-Index: 13 scientists 71 D-Index: 15 scientists 72 D-Index: 11 scientists 73 D-Index: 11 scientists 74 D-Index: 14 scientists 75 D-Index: 5 scientists 76 D-Index: 6 scientists 77+ D-Index: 100 scientists
20 D-Index 77+

This scientist: 42 D-Index — 69th percentile

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

The last bar groups every scientist with 77 D-Index or more.

Overview

Robert J. Hudson was affiliated with the University of Alberta in Canada. Their research encompassed multiple areas within environmental science, with a focus on subfields including history and philosophy of science, materials chemistry, pollution, ecology, and building and construction.

The scientist's work involved a range of main topics such as wastewater treatment and nitrogen removal, microbial community ecology and physiology, anaerobic digestion and biogas production, history of science and medicine, as well as diverse historical and scientific studies and rangeland management and livestock ecology. Their studies also covered crystallization and solubility investigations.

Hudson contributed to several publications across various venues. Notable papers included:

  • "Spatial and temporal differences in the composition and structure of bacterial assemblages in biofilms of a rotating algal-bacterial contactor system treating high-strength anaerobic digester filtrate," 2020, Bioresource Technology Reports
  • "George E. Smith; Raghav Seth. Brownian Motion and Molecular Reality: A Study in Theory-Mediated Measurement. (Oxford Studies in Philosophy of Science.) 468 pp., bibl., index. Oxford: Oxford University Press, 2020. $99 (cloth); ISBN 9780190098025. E-book available.," 2022, Isis
  • "CCDC 1982414: Experimental Crystal Structure Determination," 2020, The Cambridge Structural Database
  • "Corrigibility Transformation: Constructing Goals That Accept Updates," 2025, arXiv (Cornell University)

Frequent coauthors in Hudson's research included Daniel B. Johnson, Lance Schideman, Thomas Canam, Jacob D. Hosen, and Richard G. Morgan.

Research contributions were published in venues such as Bioresource Technology Reports, Isis, The Cambridge Structural Database, and arXiv (Cornell University).

Best Publications

  • Seasonal energy expenditures and thermoregulatory responses of moose

    Lyle A. Renecker;Robert J. Hudson

  • Seasonal changes in body composition of mature female caribou and calves (Rangifer tarandus groenlandicus) on an arctic island with limited winter resources

    J. Z. Adamczewski;C. C. Gates;R. J. Hudson;M. A. Price

  • Analysis of movements and behavior of caribou (Rangifer tarandus) using hidden Markov models

    Alastair Franke;Terry Caelli;Robert J Hudson

  • Impacts of grazing systems on soil compaction and pasture production in Alberta

    N. T. Donkor;J. V. Gedir;R. J. Hudson;E. W. Bork

  • Estimation of Dry Matter Intake of Free-Ranging Moose

    Lyle A. Renecker;Robert J. Hudson

  • Seasonal foraging rates of free-ranging moose

    Lyle A. Renecker;Robert J. Hudson

  • MOOSE HABITAT PREFERENCES IN RESPONSE TO CHANGING AVAILABILITY

    Terrance J. Osko;Michelle N. Hiltz;Robert J. Hudson;Shawn M. Wasel

  • Limiting effects of snow on seasonal habitat use and diets of caribou (Rangifer tarandus groenlandicus) on Coats Island, Northwest Territories, Canada

    J. Z. Adamczewski;C. C. Gates;B. M. Soutar;R. J. Hudson

  • Herbivore Dynamics in Southern Narok, Kenya

    John G. Stelfox;Donald G. Peden;Helmut Epp;Robert J. Hudson

  • Chemical composition of antlers from wapiti (Cervus elaphus)

    Hoon H. Sunwoo;Takuo Nakano;Robert J. Hudson;Jeong S. Sim

  • Foraging Ecology of Bison in Aspen Boreal Habitats

    Unknown

  • Winter energy balance and activity of female caribou on Coats Island, Northwest Territories: the relative importance of foraging and body reserves

    J. Z. Adamczewski;R. J. Hudson;C. C. Gates

  • Social organization of feral horses in western Canada

    Unknown

  • Optimal grazing of wapiti (Cervus elaphus) on grassland: Patch and feeding station departure rules

    Zhigang Jiang;Robert J. Hudson

  • Seasonal activity budgets of moose in aspen-dominated boreal forests

    Lyle A. Renecker;Robert J. Hudson

  • Changes in diets of wapiti during a hunting season.

    Luigi E. Morgantini;Robert J. Hudson

  • Digestive kinetics of moose (Alces alces), wapiti (Cervus elaphus) and cattle

    Unknown

  • Simulation of conservation and management of woodland caribou

    Piotr Weclaw;Robert J Hudson

  • Effects of Posture and Activity on Metabolic Responses of Wapiti to Cold

    C. Cormack Gates;Robert J. Hudson

  • Foraging rates of wapiti on green and cured pastures

    Unknown

  • DETERMINANTS OF SPATIAL DISTRIBUTION OF ROCKY MOUNTAIN BIGHORN SHEEP

    Norman H. Shannon;Robert J. Hudson;Vernon C. Brink;Warren D. Kitts

  • Nutritional Significance of Wapiti (Cervus Elaphus) Migrations to Alpine Ranges in Western Alberta, Canada

    Luigi E. Morgantini;Robert J. Hudson

  • Efficiency of Utilization of Bulrush Rhizomes by Lesser Snow Geese

    Bruce A. Burton;Robert J. Hudson;Darrel D. Bragg

  • Reproductive performance of farmed wapiti (Cervus elaphus nelsoni )

    R.J. Hudson;H.M. Kozak;J.Z. Adamczewski;C.D. Olsen

  • Ecological metabolism of moose in aspen-dominated boreal forests, central Alberta

    Lyle A. Renecker;Robert J. Hudson

  • Telemetered heart rate as an index of energy expenditure in moose (Alces alces)

    Lyle A Renecker;Robert J Hudson

Frequent Co-Authors

Edward W. Bork
Edward W. Bork University of Alberta
Terry Caelli
Terry Caelli Deakin University
James F. Cahill
James F. Cahill University of Alberta
Frances Chung
Frances Chung University Health Network
Beverley A. Orser
Beverley A. Orser University of Toronto
Stanley J. Hamstra
Stanley J. Hamstra Accreditation Council for Graduate Medical Education
Patrick J. McGrath
Patrick J. McGrath Columbia University
Jason H. T. Bates
Jason H. T. Bates University of Vermont
John F. MacDonald
John F. MacDonald University of Toronto

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Related Online Degrees & Career Pathways

Studying Animal Science and Veterinary fields opens doors to diverse career options that often intersect with other disciplines. For those interested in the physical well-being and rehabilitation of animals or humans, exploring online exercise science degrees can complement veterinary knowledge and lead to roles focused on therapeutic practices and fitness.

Behavioral understanding is crucial in both animal training and human services. Earning a behavioral analysis degree can provide expertise in behavior modification and therapy techniques, benefiting careers that involve animal behaviorists or working with special needs populations.

For those interested in the psychological aspects of behavior within educational settings, pursuing nasp accredited school psychology programs offers specialized training to support cognitive and emotional development, which can also apply to animal-assisted therapy and developmental research.

Additionally, advanced clinical practice opportunities are available through online psyd programs accredited, ideal for those aiming for professional psychology roles that link human mental health with animal-assisted interventions and related therapeutic careers.

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