World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
84
Citations
31677
World Ranking
658
National Ranking
239

Thomas A. Spies 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 Thomas A. Spies 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: 214 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

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

Thomas A. Spies 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 Thomas A. Spies 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: 84 D-Index — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

Overview

Thomas A. Spies is affiliated with the US Forest Service in the United States. Their research spans Environmental Science and Arts and Humanities, with a focus on several subfields including Global and Planetary Change, Ecology, Nature and Landscape Conservation, Literature and Literary Theory, as well as Visual Arts and Performing Arts.

Their main topics of research include:

  • Fire effects on ecosystems
  • Rangeland and Wildlife Management
  • Ecology and Vegetation Dynamics Studies
  • Narrative Theory and Analysis
  • Comics and Graphic Narratives
  • Identity, Memory, and Therapy
  • Atmospheric and Environmental Gas Dynamics

Thomas A. Spies has published across several venues, most notably:

  • Game studies
  • Frontiers in Ecology and the Environment
  • Scientific Reports
  • Baltic screen media review./Baltic screen media review
  • SSRN Electronic Journal

Frequent coauthors collaborating with Thomas A. Spies include:

  • Holger Pötzsch
  • Şeyda Kurt
  • Jessica E. Halofsky
  • Meg A. Krawchuk
  • Paul F. Hessburg

Their recent papers reflect a breadth of interdisciplinary topics:

  • "Climate and wildfire adaptation of inland Northwest US forests," 2021, Frontiers in Ecology and the Environment
  • "Effects of ownership patterns on cross-boundary wildfires," 2021, Scientific Reports
  • ""Making Sense in a Senseless World": Disco Elysium's Absurd Hero," 2021, Baltic screen media review./Baltic screen media review
  • "Inhalt," 2022, Game studies
  • "Inhalt," 2024, Game studies

In terms of book publications, Thomas A. Spies has contributed to works published by Transcript Verlag and Game studies. One notable title is Trauma im Computerspiel released in 2022, which received citations in academic contexts.

Best Publications

  • Disturbances and structural development of natural forest ecosystems with silvicultural implications, using Douglas-fir forests as an example

    Jerry F Franklin;Thomas A Spies;Robert Van Pelt;Andrew B Carey

  • Cell stress-regulated human major histocompatibility complex class I gene expressed in gastrointestinal epithelium.

    Veronika Groh;Seiamak Bahram;Stefan Bauer;Andrew Herman

  • Light regimes beneath closed canopies and tree-fall gaps in temperate and tropical forests

    Charles D. Canham;Julie S. Denslow;William J. Platt;James R. Runkle

  • Lidar Remote Sensing of the Canopy Structure and Biophysical Properties of Douglas-Fir Western Hemlock Forests

    M.A. Lefsky;W.B. Cohen;S.A. Acker;G.G. Parker

  • Growing‐Season Microclimatic Gradients from Clearcut Edges into Old‐Growth Douglas‐Fir Forests

    Jiquan Chen;Jerry F. Franklin;Thomas A. Spies

  • A second lineage of mammalian major histocompatibility complex class I genes

    Seiamak Bahram;Maureen Bresnahan;Daniel E. Geraghty;Thomas Spies

  • CONSERVING BIODIVERSITY IN MANAGED FORESTS : LESSONS FROM NATURAL FORESTS

    A. J. Hansen;T. A. Spies;F. J. Swanson;J. L. Ohmann

  • Coarse Woody Debris in Douglas-Fir Forests of Western Oregon and Washington

    Thomas A. Spies;Jerry F. Franklin;Ted B. Thomas

  • Plant Species Diversity in Natural and Managed Forests of the Pacific Northwest

    Charles B. Halpern;Thomas A. Spies

  • Vegetation Responses to Edge Environments in Old-Growth Douglas-Fir Forests.

    Jiquan Chen;Jerry F. Franklin;Thomas A. Spies

  • Contrasting microclimates among clearcut, edge, and interior of old-growth Douglas-fir forest

    Jiquan Chen;Jerry F. Franklin;Thomas A. Spies

  • Estimating structural attributes of Douglas-fir/western hemlock forest stands from Landsat and SPOT imagery

    Warren B. Cohen;Thomas A. Spies

  • Searching for resilience: addressing the impacts of changing disturbance regimes on forest ecosystem services.

    Rupert Seidl;Thomas A. Spies;David L. Peterson;Scott L. Stephens

  • Estimating the age and structure of forests in a multi-ownership landscape of western Oregon, U.S.A.

    W. B. Cohen;T. A. Spies;M. Fiorella

  • Microclimatic and soil moisture responses to gap formation in coastal Douglas-fir forests

    Andrew N Gray;Thomas A Spies;Mark J Easter

  • Semivariograms of digital imagery for analysis of conifer canopy structure.

    Warren B. Cohen;Thomas A. Spies

  • Genes for the tumor necrosis factors alpha and beta are linked to the human major histocompatibility complex.

    Thomas Spies;Cynthia C. Morton;Sergei A. Nedospasov;Walter Fiers

  • Dynamics and Pattern of a Managed Coniferous Forest Landscape in Oregon

    Thomas A. Spies;William J. Ripple;G. A. Bradshaw

  • MICROSITE CONTROLS ON TREE SEEDLING ESTABLISHMENT IN CONIFER FOREST CANOPY GAPS

    Andrew N. Gray;Thomas A. Spies

  • Gap size, within-gap position and canopy structure effects on conifer seedling establishment.

    Andrew N. Gray;Thomas A. Spies

Frequent Co-Authors

Warren B. Cohen
Warren B. Cohen Oregon State University
Jerry F. Franklin
Jerry F. Franklin University of Washington
Michael C. Wimberly
Michael C. Wimberly University of Oklahoma
Paul F. Hessburg
Paul F. Hessburg United States Department of Agriculture
Andrew N. Gray
Andrew N. Gray US Forest Service
Rupert Seidl
Rupert Seidl Technical University of Munich
Gordon H. Reeves
Gordon H. Reeves US Forest Service
Mark E. Harmon
Mark E. Harmon Oregon State University
Frederick J. Swanson
Frederick J. Swanson US Forest Service
Alan A. Ager
Alan A. Ager US Forest Service

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

If you’re exploring a future in Ecology and Evolution, it’s valuable to consider how related fields and online learning options can shape your career. Many military friendly online schools now offer flexible programs, making it easier for active-duty and veteran service members to access degree opportunities relevant to environmental and biological sciences.

Graduates with an interest in applying ecological knowledge toward social good may pursue social work master programs online. These programs help students understand the broader societal impacts of environmental change and support diverse communities.

Some students opt for pathways such as an online masters in psychology, integrating behavioral science with conservation strategies. For those drawn to the intersection of mental health and human-nature relationships, earning a master of mental health online offers another fulfilling career route.

These diverse, flexible online degrees empower students to combine scientific, social, and policy expertise—preparing them for impactful work in conservation, environmental policy, education, and beyond.

Best Scientists Citing Thomas A. Spies

Trending Scientists

Recently Published Articles