World's Best Scientists 2026 revealed!
John R. Spence

John R. Spence

D-Index & Metrics

Ecology and Evolution

D-Index
58
Citations
11689
World Ranking
2575
National Ranking
166

John R. Spence 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 John R. Spence 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: 263 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

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

John R. Spence 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 John R. Spence 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: 58 D-Index — 70th percentile

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

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

Overview

John R. Spence is affiliated with the University of Alberta in Canada. Their research primarily spans the fields of Agricultural and Biological Sciences and Environmental Science, with a particular focus on Ecology, Evolution, Behavior and Systematics as well as Plant Science and Insect Science within these areas.

Their publication record includes several papers on topics related to forest ecology, biodiversity, and entomology. Among recent contributions are:

  • Oases of the future? Springs as potential hydrologic refugia in drying climates, 2020, Frontiers in Ecology and the Environment
  • Recovery of a boreal ground-beetle (Coleoptera: Carabidae) fauna 15 years after variable retention harvest, 2020, Journal of Applied Ecology
  • Spatial and temporal variation of epigaeic beetle assemblages (Coleoptera, Carabidae, Staphylinidae) in aspen-dominated mixedwood forests across north-central Alberta, 2021, ZooKeys
  • Rapid recovery of boreal rove beetle (Staphylinidae) assemblages 16 years after variable retention harvest, 2022, Ecography
  • Long-term responses of ground beetles (Coleoptera: Carabidae) to clear-cutting and wildfire in lodgepole pine stands of western Alberta, Canada, 2022, The Canadian Entomologist

Frequent co-authors who collaborated extensively with Spence include:

  • David W. Langor
  • Linhao Wu
  • Fangliang He
  • David R. Toren
  • James R. Shevock

Key publication venues where Spence's work appears repeatedly include:

  • Global Biodiversity Information Facility
  • ZooKeys
  • PhytoKeys
  • Bryophyte Diversity and Evolution
  • Madroño

The main topics covered in Spence's research focus on forest ecology and biodiversity, insect ecology and management, bryophyte studies, botanical and plant ecology studies, fungal and lichen ecology, as well as forest management and policy.

  • Bryophyte Studies and Records
  • Botany and Plant Ecology Studies
  • Forest Ecology and Biodiversity Studies
  • Ecology and Vegetation Dynamics Studies
  • Forest Insect Ecology and Management
  • Lichen and fungal ecology
  • Forest Management and Policy

Best Publications

  • Sampling carabid assemblages with pitfall traps: The madness and the method

    John R. Spence;Jari K. Niemelä

  • Effects of Clear-Cut Harvesting on Boreal Ground-Beetle Assemblages (Coleoptera: Carabidae) in Western Canada

    Jari Niemelä;David Langor;John R. Spence

  • Carabid beetle assemblages (Coleoptera, Carabidae) across urban-rural gradients: an international comparison

    Jari Niemelä;D. Johan Kotze;Stephen Venn;Lyubomir Penev

  • The search for common anthropogenic impacts on biodiversity: a global network

    Jari Niemelä;Johan Kotze;Allan Ashworth;Pietro Brandmayr

  • Arthropod responses to harvesting and wildfire: Implications for emulation of natural disturbance in forest management

    Christopher M. Buddle;David W. Langor;Greg R. Pohl;John R. Spence

  • Northern forestry and carabids: the case for concern about old-growth species

    John R. Spence;David W. Langor;Jari Niemela;Hector A. Carcamo

  • Succession of boreal forest spider assemblages following wildfire and harvesting

    Christopher M. Buddle;John R. Spence;David W. Langor

  • Habitat associations and seasonal activity of ground-beetles (Coleoptera, Carabidae) in central Alberta

    Jari Niemelä;John R. Spence;Deborah H. Spence

  • Pitfall Trap Size and Capture of Three Taxa of Litter-Dwelling Arthropods: Implications for Biodiversity Studies

    Timothy T. Work;Christopher M. Buddle;Luisiana M. Korinus;John R. Spence

  • Farming and ground beetles: effects of agronomic practice on populations and community structure.

    Héctor A. Cárcamo;Jari K. Niemalä;John R. Spence

  • On the role of body size for life‐history evolution

    Christian Peter Klingenberg;John Spence

  • Fire residuals as habitat reserves for epigaeic beetles (Coleoptera: Carabidae and Staphylinidae)

    Kamal J.K Gandhi;John R Spence;David W Langor;David W Langor;Luigi E Morgantini

  • Saproxylic beetles (Coleoptera) using Populus in boreal aspen stands of western Canada: spatiotemporal variation and conservation of assemblages

    HE James Hammond;David W Langor;John R Spence

  • Stand composition and structure of the boreal mixedwood and epigaeic arthropods of the Ecosystem Management Emulating Natural Disturbance (EMEND) landbase in northwestern Alberta

    Timothy T Work;David P Shorthouse;John R Spence;W Jan A Volney

  • Short-term impact of forest soil compaction and organic matter removal on soil mesofauna density and oribatid mite diversity

    Jeffrey P Battigelli;John R Spence;David W Langor;Shannon M Berch

  • Distribution and abundance of an exotic ground-beetle (Carabidae): a test of community impact.

    Jari Niemelä;John R. Spence

  • Rove beetles and ground beetles (Coleoptera: Staphylinidae, Carabidae) as indicators of harvest and regeneration practices in western Canadian foothills forests

    Gregory R. Pohl;David W. Langor;John R. Spence

  • Distribution of forest dwelling carabids (Coleoptera): spatial scale and the concept of communities

    Jari K. Niemelä;John R. Spence

  • High levels of green-tree retention are required to preserve ground beetle biodiversity in boreal mixedwood forests

    Timothy T. Work;Joshua M. Jacobs;John R. Spence;W. Jan Volney

  • Logging and boreal ground-beetle assemblages on two continents: implications for conservation.

    J. Niemelä;J. R. Spence;D. Langor;Y. Haila

Frequent Co-Authors

David W. Langor
David W. Langor Natural Resources Canada
Jari Niemelä
Jari Niemelä University of Helsinki
Fangliang He
Fangliang He University of Alberta
Victor J. Lieffers
Victor J. Lieffers University of Alberta
John O'Halloran
John O'Halloran University College Cork
Scott E. Nielsen
Scott E. Nielsen University of Alberta
Lloyd M. Dosdall
Lloyd M. Dosdall University of Alberta
Christopher M. Buddle
Christopher M. Buddle McGill University
Felix A. H. Sperling
Felix A. H. Sperling University of Alberta
Christian Peter Klingenberg
Christian Peter Klingenberg University of Manchester

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Related Online Degrees & Career Pathways

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