World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
36
Citations
6094
World Ranking
7070
National Ranking
2381

Hall Sawyer 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 Hall Sawyer 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: 81 publications — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Hall Sawyer 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 Hall Sawyer 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: 36 D-Index — 17th percentile

17% of scientists in this discipline score the same or lower.

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

Overview

Hall Sawyer is affiliated with the University of Wyoming in the United States. Their research primarily focuses on Environmental Science, with a strong emphasis on Ecology as well as associated subfields such as Small Animals, Management, Monitoring, Policy and Law, Nature and Landscape Conservation, and Ecological Modeling.

The main topics of Hall Sawyer's work explore areas related to wildlife and ecosystem dynamics, including:

  • Wildlife Ecology and Conservation
  • Rangeland and Wildlife Management
  • Animal Behavior and Welfare Studies
  • Wildlife-Road Interactions and Conservation
  • Ecology and biodiversity studies
  • Rangeland Management and Livestock Ecology
  • Ecology and Vegetation Dynamics Studies

Their frequent publication venues reflect their focus on wildlife ecology and management and include:

  • Journal of Wildlife Management
  • Scientific Investigations Report
  • Ecology
  • Ecology Letters
  • Ecosphere

Hall Sawyer has contributed to a number of recent scientific papers, often collaborating with notable co-authors. Selected recent publications include:

  • "Mapping out a future for ungulate migrations," 2021, published in Science
  • "Site fidelity as a maladaptive behavior in the Anthropocene," 2022, published in Frontiers in Ecology and the Environment
  • "Causes, Consequences, and Conservation of Ungulate Migration," 2021, published in Annual Review of Ecology Evolution and Systematics
  • "Drivers of site fidelity in ungulates," 2021, published in Journal of Animal Ecology
  • "Wave-like Patterns of Plant Phenology Determine Ungulate Movement Tactics," 2020, published in Current Biology

Frequent collaborators in Sawyer's work include:

  • Jerod A. Merkle
  • Matthew J. Kauffman
  • Kevin L. Monteith
  • Arthur D. Middleton
  • Ellen O. Aikens

Best Publications

  • Moving in the Anthropocene : global reductions in terrestrial mammalian movements

    Marlee A. Tucker;Katrin Böhning-Gaese;William F. Fagan;John M. Fryxell

  • Winter Habitat Selection of Mule Deer Before and During Development of a Natural Gas Field

    Hall Sawyer;Ryan M. Nielson;Fred Lindzey;Lyman L. McDONALD

  • Identifying and prioritizing ungulate migration routes for landscape-level conservation.

    Hall Sawyer;Matthew J. Kauffman;Ryan M. Nielson;Jon S. Horne

  • Large herbivores surf waves of green-up during spring.

    Jerod A. Merkle;Kevin L. Monteith;Ellen O. Aikens;Matthew M. Hayes

  • Stopover ecology of a migratory ungulate

    Hall Sawyer;Matthew J. Kauffman

  • Influence of Well Pad Activity on Winter Habitat Selection Patterns of Mule Deer

    Hall Sawyer;Matthew J. Kauffman;Ryan M. Nielson

  • Linking anti-predator behaviour to prey demography reveals limited risk effects of an actively hunting large carnivore.

    Arthur D. Middleton;Matthew J. Kauffman;Matthew J. Kauffman;Douglas E. McWhirter;Michael D. Jimenez

  • A framework for understanding semi-permeable barrier effects on migratory ungulates

    Hall Sawyer;Matthew J. Kauffman;Arthur D. Middleton;Thomas A. Morrison

  • Mule deer and pronghorn migration in western Wyoming

    Hall Sawyer;Fred Lindzey;Doug McWhirter

  • Mapping out a future for ungulate migrations.

    Matthew J. Kauffman;Francesca Cagnacci;Simon Chamaillé-Jammes;Mark Hebblewhite

  • Relative influence of human harvest, carnivores, and weather on adult female elk survival across western North America

    Jedediah Brodie;Heather E. Johnson;Michael Mitchell;Peter Zager

  • Spatial memory shapes migration and its benefits: evidence from a large herbivore.

    Jerod A. Merkle;Hall Sawyer;Kevin L. Monteith;Samantha P. H. Dwinnell

  • Habitat selection of Rocky Mountain elk in a nonforested environment

    Hall Sawyer;Ryan M. Nielson;Fred G. Lindzey;Lorraine Keith

  • Mule deer and energy development-Long-term trends of habituation and abundance.

    Hall Sawyer;Nicole M. Korfanta;Ryan M. Nielson;Kevin L. Monteith

  • Causes, Consequences, and Conservation of Ungulate Migration

    Matthew J. Kauffman;Ellen O. Aikens;Ellen O. Aikens;Saeideh Esmaeili;Saeideh Esmaeili;Petra Kaczensky

  • Estimating habitat selection when GPS fix success is less than 100

    Ryan M. Nielson;Bryan F. J. Manly;Lyman L. McDonald;Hall Sawyer

  • Drivers of site fidelity in ungulates

    Thomas A. Morrison;Jerod A. Merkle;J. Grant C. Hopcraft;Ellen O. Aikens;Ellen O. Aikens

  • Migratory plasticity is not ubiquitous among large herbivores.

    Hall Sawyer;Jerod A. Merkle;Arthur D. Middleton;Samantha P. H. Dwinnell

  • Mitigating roadway impacts to migratory mule deer—A case study with underpasses and continuous fencing

    Hall Sawyer;Chad Lebeau;Thomas Hart

  • Wave-like Patterns of Plant Phenology Determine Ungulate Movement Tactics.

    Ellen O. Aikens;Atle Mysterud;Jerod A. Merkle;Francesca Cagnacci

  • The extra mile: Ungulate migration distance alters the use of seasonal range and exposure to anthropogenic risk

    Hall Sawyer;Arthur D. Middleton;Matthew M. Hayes;Matthew J. Kauffman

Frequent Co-Authors

Matthew J. Kauffman
Matthew J. Kauffman University of Wyoming
Kevin L. Monteith
Kevin L. Monteith University of Wyoming
Thomas Mueller
Thomas Mueller Goethe University Frankfurt
Francesca Cagnacci
Francesca Cagnacci Fondazione Edmund Mach
Mark Hebblewhite
Mark Hebblewhite University of Montana
Marco Heurich
Marco Heurich University of Freiburg
Jeffrey L. Beck
Jeffrey L. Beck University of Wyoming
Petra Kaczensky
Petra Kaczensky Inland Norway University of Applied Sciences
Atle Mysterud
Atle Mysterud University of Oslo
Joel Berger
Joel Berger Colorado State University

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Related Online Degrees & Career Pathways

If you’re interested in Ecology and Evolution, several online degrees in related fields can help broaden your career opportunities. Interdisciplinary study is key, especially if you want the flexibility to transition into specialized roles or sectors.

For those considering teaching, research, or information management, a library science degree offers affordable online options, equipping graduates to manage scientific data or resources.

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Lastly, some students leverage scientific training to transition into healthcare. With options like online bsn programs for non nurses, you can earn an accelerated nursing degree and apply your background in biology to patient care. These pathways highlight the versatility of a foundation in Ecology and Evolution.

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