World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
39
Citations
21934
World Ranking
6232
National Ranking
2108

Marilyn D. Walker 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 Marilyn D. Walker 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: 58 publications — 1st percentile

1% of scientists in this discipline score the same or lower.

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

Marilyn D. Walker 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 Marilyn D. Walker 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: 39 D-Index — 26th percentile

26% of scientists in this discipline score the same or lower.

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

Overview

Marilyn D. Walker is an independent scientist and consultant based in the United States. Their research primarily focuses on Earth and Planetary Sciences, with significant work spanning Atmospheric Science, Global and Planetary Change, Geology, and Ecology, Evolution, Behavior and Systematics.

The scientist's work covers several main topics, including:

  • Climate change and permafrost
  • Tree-ring climate responses
  • Geology and Paleoclimatology Research
  • Plant Water Relations and Carbon Dynamics
  • Geological Studies and Exploration
  • Lichen and fungal ecology
  • Cryospheric studies and observations

Marilyn D. Walker has contributed to multiple peer-reviewed publications across various venues. Frequent publication outlets include:

  • Nature Communications
  • UNC Libraries
  • Forest Service Research Data Archive
  • Global Change Biology

Recent significant papers authored or co-authored by Marilyn D. Walker are:

  • Experimental warming differentially affects vegetative and reproductive phenology of tundra plants, 2021, Nature Communications
  • The Alaska Arctic Vegetation Archive (AVA-AK), 2020, UNC Libraries
  • Point frame vegetation data collected 1989-2023 at the International Tundra Experiment (ITEX) experimental warming plots and the Toolik-Imnavait 1 km ambient grids in the North Slope of Alaska, 2024, Forest Service Research Data Archive
  • Tundra Plant Canopies Gradually Close Over Three Decades While Cryptogams Persist, 2025, Global Change Biology

Collaboration is a key aspect of Walker's research. Frequent co-authors include:

  • Sarah C. Elmendorf
  • Robert D. Hollister
  • Donald A. Walker
  • William A. Gould
  • Jeremy L. May

Best Publications

  • Global biodiversity scenarios for the year 2100.

    O E Sala;F S Chapin;J J Armesto;E Berlow

  • Evidence and implications of recent climate change in northern Alaska and other arctic regions.

    Larry D. Hinzman;Neil D. Bettez;W. Robert Bolton;F. Stuart Chapin

  • Plant community responses to experimental warming across the tundra biome

    Marilyn D Walker;C Henrik Wahren;Robert D Hollister;Greg H R Henry

  • RESPONSES OF TUNDRA PLANTS TO EXPERIMENTAL WARMING:META‐ANALYSIS OF THE INTERNATIONAL TUNDRA EXPERIMENT

    A. M. Arft;M. D. Walker;J. Gurevitch;J. M. Alatalo

  • Vegetation responses in Alaskan arctic tundra after 8 years of a summer warming and winter snow manipulation experiment

    C.-H. A. Wahren;M. D. Walker;M. S. Bret-Harte

  • Long-term studies of snow-vegetation interactions

    D. A. Walker;James C. Halfpenny;Marilyn D. Walker;Carol A. Wessman

  • TUNDRA CO2 FLUXES IN RESPONSE TO EXPERIMENTAL WARMING ACROSS LATITUDINAL AND MOISTURE GRADIENTS

    Steven F. Oberbauer;Craig E. Tweedie;Jeff M. Welker;Jace T. Fahnestock

  • Long-term experimental manipulation of winter snow regime and summer temperature in arctic and alpine tundra

    M. D. Walker;D. A. Walker;J. M. Welker;J. M. Welker;A. M. Arft

  • Plant communities of a tussock tundra landscape in the Brooks Range Foothills, Alaska

    Marilyn D. Walker;Donald A. Walker;Nancy A. Auerbach

  • Experiment, monitoring, and gradient methods used to infer climate change effects on plant communities yield consistent patterns

    Sarah C. Elmendorf;Sarah C. Elmendorf;Gregory H. R. Henry;Robert D. Hollister;Anna Maria Fosaa

  • Effects of Interannual Climate Variation on Phenology and Growth of Two Alpine Forbs

    Marilyn D. Walker;Richard C. Ingersoll;Patrick J. Webber

  • EFFECTS OF ROADSIDE DISTURBANCE ON SUBSTRATE AND VEGETATION PROPERTIES IN ARCTIC TUNDRA

    Nancy A. Auerbach;Marilyn D. Walker;Donald A. Walker

  • EFFECTS OF INTERANNUAL CLIMATE VARIATION ON ABOVEGROUND PHYTOMASS IN ALPINE VEGETATION

    Unknown

  • History and pattern of disturbance in Alaskan Arctic terrestrial ecosystems : a hierarchical approach to analysing landscape change

    Donald A. Walker;Marilyn D. Walker

  • Detecting changes in arctic tundra plant communities in response to warming over decadal time scales

    Howard E. Epstein;Monika P. Calef;Marilyn D. Walker;F. Stuart Chapin

  • A TRANSIENT, NUTRIENT‐BASED MODEL OF ARCTIC PLANT COMMUNITY RESPONSE TO CLIMATIC WARMING

    Howard E. Epstein;Marilyn D. Walker;F. Stuart Chapin;Anthony M. Starfield

  • Cumulative Impacts of Oil Fields on Northern Alaskan Landscapes

    D.A. Walker;P.J. Webber;Emily F. Binnian;K.R. Everett

  • Effects of Simulated Climate Change on Plant Phenology and Nitrogen Mineralization in Alaskan Arctic Tundra

    Andrew P. Borner;Knut Kielland;Marilyn D. Walker

  • Carbon dioxide fluxes in moist and dry arctic tundra during the snow-free season: responses to increases in summer temperature and winter snow accumulation

    M. H. Jones;J. T. Fahnestock;D. A. Walker;M. D. Walker

  • Plant communities and landscape diversity along a Canadian Arctic river

    William A. Gould;Marilyn D. Walker

  • Evidence and Implications of Recent Climate Change in Northern Alaska and Other Arctic Regions

    L. D. Hinzman;N. Bettez;W. R. Bolton;F. S. Chapin

Frequent Co-Authors

Donald A. Walker
Donald A. Walker University of Alaska Fairbanks
Jeffrey M. Welker
Jeffrey M. Welker University of Oulu
Erik Smets
Erik Smets Naturalis Biodiversity Center
Robert D. Hollister
Robert D. Hollister Grand Valley State University
József Geml
József Geml Hungarian Academy of Sciences
Ingibjörg S. Jónsdóttir
Ingibjörg S. Jónsdóttir University of Iceland
Steven F. Oberbauer
Steven F. Oberbauer Florida International University
Ulf Molau
Ulf Molau University of Gothenburg
Howard E. Epstein
Howard E. Epstein University of Virginia
Timothy R. Seastedt
Timothy R. Seastedt University of Colorado Boulder

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Related Online Degrees & Career Pathways

Pursuing a career in Ecology and Evolution often intersects with related fields like psychology, social work, and mental health counseling. Many U.S. institutions now offer military friendly online colleges, providing flexible pathways for veterans and active-duty service members interested in environmental sciences or adjacent disciplines.

Careers in conservation frequently involve community engagement and support. For those drawn to this aspect, consider exploring social work master programs online. These degrees build skills in advocacy, counseling, and social systems—supporting conservation efforts at the community level.

Understanding animal and human behavior is critical in ecological research. A background in psychology can be invaluable; students may opt for online masters in psychology. These accelerated programs provide advanced insights into behavior and cognition, applicable in wildlife management, education, and research careers.

For those passionate about the wellbeing of both people and the planet, online clinical mental health counseling programs can equip graduates to support communities facing ecological and environmental stressors.

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