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D-Index & Metrics

Ecology and Evolution

D-Index
47
Citations
12724
World Ranking
4343
National Ranking
1513

James A. MacMahon 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 A. MacMahon 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: 97 publications — 16th percentile

16% of scientists in this discipline score the same or lower.

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

James A. MacMahon 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 A. MacMahon 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: 47 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 1998 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

James A. MacMahon is affiliated with Utah State University in the United States. Their research primarily revolves around environmental science, with specific focus areas including management, monitoring, policy, and law, as well as ecology and anthropology.

Their work spans several main research topics, such as:

  • American Environmental and Regional History
  • Rangeland and Wildlife Management
  • Archaeology and Natural History

MacMahon's publication record includes contributions to diverse venues, reflecting engagement with both academic and institutional platforms. Notable frequent publication venues are:

  • Utah State Research and Scholarship (Utah State University)
  • UNC Libraries

Recent papers authored or coauthored by MacMahon include:

  • "Alternative Future Growth Scenarios for Conserving Open Space Along Utah's Wasatch Front: A Case Study for the Mountain Land Association of Governments" (2021), published in Utah State Research and Scholarship (Utah State University)
  • "The Report of the Ecological Society of America Committee on the Scientific Basis for Ecosystem Management" (2021), published in UNC Libraries

Frequent collaborators include:

  • Richard E. Toth
  • Thomas C. Edwards
  • Robert J. Lilieholm
  • Jack Payne
  • Glenn A. Busch

MacMahon was awarded the distinction of Fellow of the American Association for the Advancement of Science (AAAS) in 1998.

Best Publications

  • The Report of the Ecological Society of America Committee on the Scientific Basis for Ecosystem Management

    Norman L. Christensen;Ann M. Bartuska;James H Brown;Stephen M Carpenter

  • The Sustainable Biosphere Initiative: An Ecological Research Agenda: A Report from the Ecological Society of America

    Jane Lubchenco;Annette M. Olson;Linda B. Brubaker;Stephen R. Carpenter

  • A Day in the Life of a Seed: Movements and Fates of Seeds and Their Implications for Natural and Managed Systems

    Jeanne C. Chambers;James A. MacMahon

  • The sustainable biosphere initiative: An ecological research agenda

    J. Lubchenco;A.M. Olson;L.B. Brubaker;S.R. Carpenter

  • Threads of Continuity There are immense differences between even-aged silvicultural disturbances (especially clearcutting) and natural disturbances, such as windthrow, wildfire, and even volcanic eruptions.

    Jerry F. Franklin;David Lindenmayer;James A. MacMahon;Arthur McKee

  • Harvester Ants (Pogonomyrmex spp.): Their Community and Ecosystem Influences

    James A. MacMahon;John F. Mull;Thomas O. Crist

  • Spider Community Organization: Seasonal Variation and the Role of Vegetation Architecture

    Cynthia L. Hatley;James A. Macmahon

  • Guilds: The Multiple Meanings of a Concept

    Charles P. Hawkins;James A. MacMahon

  • SEED ENTRAPMENT IN ALPINE ECOSYSTEMS: EFFECTS OF SOIL PARTICLE SIZE AND DIASPORE MORPHOLOGY'

    Jeanne C. Chambers;James A. MacMahon;James H. Haefner

  • Competition and spacing patterns in desert shrubs

    Donald L. Phillips;James A. MacMahon

  • Native seed preferences of shrub-steppe rodents, birds and ants: the relationships of seed attributes and seed use

    M. I. Kelrick;J. A. MacMahon;R. R. Parmenter;D. V. Sisson

  • Carrion decomposition and nutrient cycling in a semiarid shrub–steppe ecosystem

    Robert R. Parmenter;James A. MacMahon

  • DISPERSAL AGENTS OF VESICULAR-ARBUSCULAR MYCORRHIZAL FUNGI IN A DISTURBED ARID ECOSYSTEM

    Nancy J. Warner;Michael F. Allen;James A. MacMahon

  • Alpine Seedling Establishment: The Influence of Disturbance Type

    Jeanne C. Chambers;James A. MacMahon;Ray W. Brown

  • Harvester Ant Foraging and Shrub-Steppe Seeds: Interactions of Seed Resources and Seed Use

    Thomas O. Crist;James A. MacMahon

  • Ecosystem Management in the Context of Large, Infrequent Disturbances

    Virginia H. Dale;Ariel E. Lugo;James A. MacMahon;Steward T. A. Pickett

  • Population Dynamics and Bioenergetics of a Fossorial Herbivore, Thomomys talpoides (Rodentia: Geomyidae), in a Spruce-Fir Sere

    Douglas C. Andersen;James A. MacMahon

  • Factors determining the abundance and distribution of rodents in a shrub-steppe ecosystem: the role of shrubs.

    Robert R. Parmenter;James A. MacMahon

  • Ten Suggestions to Strengthen the Science of Ecology

    Gary E. Belovsky;Daniel B. Botkin;Todd A. Crowl;Kenneth W. Cummins

  • Messages from a Mountain

    Jerry F. Franklin;James A. MacMahon

  • Levels of Biological Organization: An Organism-Centered Approach

    James A. MacMahon;Donald L. Phillips;James V. Robinson;David J. Schimpf

Frequent Co-Authors

Michael F. Allen
Michael F. Allen University of California, Riverside
Jerry F. Franklin
Jerry F. Franklin University of Washington
Thomas O. Crist
Thomas O. Crist Miami University
Jeanne C. Chambers
Jeanne C. Chambers US Forest Service
David B. Lindenmayer
David B. Lindenmayer Australian National University
Stephen P. Hubbell
Stephen P. Hubbell University of California, Los Angeles
Linda B. Brubaker
Linda B. Brubaker University of Washington
Jerry M. Melillo
Jerry M. Melillo Marine Biological Laboratory
Donald L. Phillips
Donald L. Phillips Environmental Protection Agency
Jane Lubchenco
Jane Lubchenco Oregon State University

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