World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
39
Citations
21934
World Ranking
6236
National Ranking
2107

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

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

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.

Best Scientists Citing Marilyn D. Walker

Trending Scientists