World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
34
Citations
4628
World Ranking
7606
National Ranking
469

James D. Roth 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 James D. Roth 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: 124 publications — 35th percentile

35% of scientists in this discipline score the same or lower.

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

James D. Roth 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 James D. Roth 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: 34 D-Index — 11th percentile

11% of scientists in this discipline score the same or lower.

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

Overview

James D. Roth is affiliated with the University of Manitoba in Canada and has contributed to research primarily within the field of Environmental Science. Their work spans multiple subfields, including Ecology, Atmospheric Science, Global and Planetary Change, Health, Toxicology and Mutagenesis, and General Health Professions.

The scope of Roth's research includes several focused topics. These cover Wildlife Ecology and Conservation, Marine animal studies overview, Isotope Analysis in Ecology, Arctic and Antarctic ice dynamics, Indigenous Studies and Ecology, Rangeland and Wildlife Management, and Animal Ecology and Behavior Studies.

Recent publications authored or co-authored by Roth highlight contributions to understanding ecological dynamics and animal behavior in northern and Arctic environments. Selected papers include:

  • Variation in the diet of beluga whales in response to changes in prey availability: insights on changes in the Beaufort Sea ecosystem (2020), Marine Ecology Progress Series
  • Red foxes at their northern edge: competition with the Arctic fox and winter movements (2021), Journal of Mammalogy
  • Arctic fox winter dietary response to damped lemming cycles estimated from fecal DNA (2021), Journal of Mammalogy
  • Patchy indirect effects of predation: predators contribute to landscape heterogeneity and ecosystem function via localized pathways (2023), Oikos
  • Foxes fertilize the subarctic forest and modify vegetation through denning (2021), Scientific Reports

Roth has frequently collaborated with a number of co-authors across their research projects. These include Chloé Warret Rodrigues, Sean Johnson-Bice, John Markham, Steven H. Ferguson, and David J. Yurkowski. Repeat collaboration indicates ongoing research partnerships within ecological and environmental science communities.

The venues in which Roth publishes predominantly cover ecological and biological sciences. Frequent publication venues include the SSRN Electronic Journal, Polar Biology, bioRxiv (Cold Spring Harbor Laboratory), Research Square, and Marine Ecology Progress Series.

Best Publications

  • Stable carbon and nitrogen isotopic fractionation between diet and tissue of captive red fox: implications for dietary reconstruction.

    James D. Roth;Keith A. Hobson

  • Stable carbon and nitrogen isotopic fractionation between diet and tissue of captive red fox: implications for dietary reconstruction

    Unknown

  • APPARENT COMPETITION OR APPARENT MUTUALISM? SHARED PREDATION WHEN POPULATIONS CYCLE

    Peter A. Abrams;Robert D. Holt;James D. Roth

  • The Effects of Enrichment of Three‐Species Food Chains with Nonlinear Functional Responses

    Peter A. Abrams;James D. Roth

  • Population history and genetic structure of a circumpolar species: the arctic fox

    Love Dalén;Eva Fuglei;Páll Hersteinsson;Christian M. O. Kapel

  • Variability in marine resources affects arctic fox population dynamics

    James D. Roth

  • Temporal variability in arctic fox diet as reflected in stable-carbon isotopes; the importance of sea ice.

    James D. Roth

  • The responses of unstable food chains to enrichment

    Peter A. Abrams;James Roth

  • Estimating low-density snowshoe hare populations using fecal pellet counts

    Dennis L Murray;James D Roth;Ethan Ellsworth;Aaron J Wirsing

  • The influence of sex and sociality on parasite loads in an African ground squirrel

    Melissa A. Hillegass;Jane M. Waterman;James D. Roth

  • Bird tolerance to human intrusion in Wyoming Montane Forests

    Kevin J. Gutzwiller;Heidi A. Marcum;Henry B. Harvey;James D. Roth

  • Implications of intraguild predation for sea turtle nest protection

    Brandon T. Barton;James D. Roth

  • Inferring foraging areas of nesting loggerhead turtles using satellite telemetry and stable isotopes.

    Simona A. Ceriani;James D. Roth;Daniel R. Evans;John F. Weishampel

  • Parasite removal increases reproductive success in a social African ground squirrel

    Melissa A. Hillegass;Jane M. Waterman;James D. Roth

  • Assessment of Canada Lynx Research and Conservation Needs in the Southern Range: Another Kick at the Cat

    Dennis L. Murray;Todd D. Steury;James D. Roth

  • Dune vegetation fertilization by nesting sea turtles.

    Laura B. Hannan;James D. Roth;Llewellyn M. Ehrhart;John F. Weishampel

  • Documenting lemming population change in the Arctic: Can we detect trends?

    Dorothée Ehrich;Niels M. Schmidt;Gilles Gauthier;Ray Alisauskas

  • GEOGRAPHICGRADIENTS IN DIET AFFECT POPULATION DYNAMICS OF CANADA LYNX

    James D. Roth;John D. Marshall;Dennis L. Murray;David M. Nickerson

  • Predation Risk Avoidance by Terrestrial Amphibians: The Role of Prey Experience and Vulnerability to Native and Exotic Predators

    D. L. Murray;D. L. Murray;J. D. Roth;A. J. Wirsing

  • Computer-aided photo-identification system with an application to polar bears based on whisker spot patterns

    Carlos J. R. Anderson;Niels Da Vitoria Lobo;James D. Roth;Jane M. Waterman

  • Population structure of North Pacific humpback whales on their feeding grounds revealed by stable carbon and nitrogen isotope ratios

    Briana H. Witteveen;Graham A. J. Worthy;Kate M. Wynne;James D. Roth

  • Arctic foxes as ecosystem engineers: increased soil nutrients lead to increased plant productivity on fox dens.

    Tazarve Gharajehdaghipour;James D. Roth;Paul M. Fafard;John H. Markham

Frequent Co-Authors

Dennis L. Murray
Dennis L. Murray Trent University
Anders Angerbjörn
Anders Angerbjörn Stockholm University
John F. Weishampel
John F. Weishampel University of Central Florida
Dorothee Ehrich
Dorothee Ehrich University of Tromsø - The Arctic University of Norway
Steven H. Ferguson
Steven H. Ferguson Fisheries and Oceans Canada
Aaron J. Wirsing
Aaron J. Wirsing University of Washington
Peter A. Abrams
Peter A. Abrams University of Toronto
Niels Martin Schmidt
Niels Martin Schmidt Aarhus University
Rolf A. Ims
Rolf A. Ims University of Tromsø - The Arctic University of Norway
Paul Smith
Paul Smith University of Surrey

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