World's Best Scientists 2026 revealed!
James R. Ehleringer

James R. Ehleringer

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Ecology and Evolution
USA
2026
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Plant Science and Agronomy
USA
2026

D-Index & Metrics

Plant Science and Agronomy

D-Index
129
Citations
75063
World Ranking
40
National Ranking
11

Ecology and Evolution

D-Index
140
Citations
84254
World Ranking
46
National Ranking
21

Research.com Recognitions

  • 2026 - Research.com Ecology and Evolution in United States Leader Award
  • 2026 - Research.com Plant Science and Agronomy in United States Leader Award
  • 2025 - Research.com Ecology and Evolution in United States Leader Award
  • 2025 - Research.com Plant Science and Agronomy in United States Leader Award
  • 2022 - Research.com Plant Science and Agronomy in United States Leader Award
  • 2016 - Fellow of the Ecological Society of America (ESA)
  • 2016 - Member of the National Academy of Sciences
  • 2008 - Fellow of American Geophysical Union (AGU)
  • 1999 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

James R. Ehleringer is affiliated with the University of Utah in the United States. Their research spans multiple disciplines within environmental and earth sciences, with a particular focus on plant water relations and carbon dynamics.

Their scientific contributions cover a range of topics, including:

  • Plant Water Relations and Carbon Dynamics
  • Isotope Analysis in Ecology
  • Tree-ring Climate Responses
  • Plant Responses to Elevated CO2
  • Ecology and Vegetation Dynamics Studies
  • Nutritional Studies and Diet
  • Atmospheric and Environmental Gas Dynamics

Within the broader fields of study, their main areas are:

  • Environmental Science
  • Earth and Planetary Sciences

Subfields of their work include:

  • Global and Planetary Change
  • Atmospheric Science
  • Ecology
  • Plant Science
  • Nature and Landscape Conservation

Frequent publication venues for their research output comprise:

  • Proceedings of the National Academy of Sciences
  • Oecologia
  • New Phytologist
  • Food Chemistry
  • Scientific Data

James R. Ehleringer has collaborated extensively with a number of co-authors. Among the most frequent are:

  • Avery W. Driscoll
  • Steven A. Kannenberg
  • Nicholas Q. Bitter
  • Russell K. Monson
  • William R. L. Anderegg

Some of their recent publications include:

  • Rapid increases in shrubland and forest intrinsic water-use efficiency during an ongoing megadrought, 2021, Proceedings of the National Academy of Sciences
  • Multidecadal records of intrinsic water-use efficiency in the desert shrub Encelia farinosa reveal strong responses to climate change, 2020, Proceedings of the National Academy of Sciences
  • Distinguishing the region-of-origin of roasted coffee beans with trace element ratios, 2020, Food Chemistry
  • Stable isotopes in hair reveal dietary protein sources with links to socioeconomic status and health, 2020, Proceedings of the National Academy of Sciences
  • A multi-city urban atmospheric greenhouse gas measurement data synthesis, 2022, Scientific Data

The scientist has been recognized with several awards, including:

  • Fellow of the Ecological Society of America (ESA), 2016
  • Member of the National Academy of Sciences, 2016
  • Fellow of American Geophysical Union (AGU), 2008
  • Fellow of the American Association for the Advancement of Science (AAAS), 1999

Best Publications

  • Carbon Isotope Discrimination and Photosynthesis

    G D Farquhar;J R Ehleringer;K T Hubick

  • A global analysis of root distributions for terrestrial biomes

    R. B. Jackson;J. Canadell;J. R. Ehleringer;H. A. Mooney

  • Global vegetation change through the Miocene/Pliocene boundary

    Thure E. Cerling;John M. Harris;Bruce J. MacFadden;Meave G. Leakey

  • Maximum rooting depth of vegetation types at the global scale.

    J. Canadell;R. B. Jackson;J. R. Ehleringer;H. A. Mooney

  • C 4 photosynthesis, atmospheric CO 2 , and climate

    James R. Ehleringer;Thure E. Cerling;Brent R. Helliker

  • Water uptake by plants: perspectives from stable isotope composition

    J. R. Ehleringer;T. E. Dawson

  • Stable isotopes and plant carbon-water relations.

    James R. Ehleringer;A. E. Hall;G. D. Farquhar

  • Streamside trees that do not use stream water

    Todd E. Dawson;Todd E. Dawson;James R. Ehleringer

  • Quantum Yields for CO(2) Uptake in C(3) and C(4) Plants: Dependence on Temperature, CO(2), and O(2) Concentration.

    James Ehleringer;Olle Björkman

  • Evolutionary and Ecological Aspects of Photosynthetic Pathway Variation

    James R. Ehleringer;Russell K. Monson

  • Plant Physiological Ecology-Field Methods and Instrumentation.

    S. B. Chapman;R. W. Pearcy;J. R. Ehleringer;H. A. Mooney

  • Carbon isotope ratios in belowground carbon cycle processes

    James R. Ehleringer;Nina Buchmann;Lawrence B. Flanagan

  • A mechanistic model for interpretation of hydrogen and oxygen isotope ratios in tree-ring cellulose

    John S. Roden;Guanghui Lin;James R. Ehleringer

  • The application and interpretation of Keeling plots in terrestrial carbon cycle research

    D. E. Pataki;J. R. Ehleringer;L. B. Flanagan;D. Yakir

  • Scaling physiological processes: leaf to globe.

    James R. Ehleringer;Christopher B. Field

  • Climate change and the evolution of C4 photosynthesis

    James R. Ehleringer;Rowan F. Sage;Lawrence B. Flanagan;Robert W. Pearcy

  • Comparative ecophysiology of C3 and C4 plants

    R. W. Pearcy;J. Ehleringer

  • Differential utilization of summer rains by desert plants

    James R. Ehleringer;Susan L. Phillips;William S. F. Schuster;Darren R. Sandquist

  • Correlations between carbon isotope ratio and microhabitat in desert plants.

    James R. Ehleringer;Tamsie A. Cooper

  • Carbon isotope fractionation between diet, breath CO2, and bioapatite in different mammals

    Benjamin H. Passey;Todd F. Robinson;Linda K. Ayliffe;Thure E. Cerling

  • Plant Physiological Ecology

    Robert W. Pearcy;James R. Ehleringer;Harold A. Mooney;Philip W. Rundel

Frequent Co-Authors

Thure E. Cerling
Thure E. Cerling University of Utah
Gabriel J. Bowen
Gabriel J. Bowen University of Utah
Lawrence B. Flanagan
Lawrence B. Flanagan University of Lethbridge
Harold A. Mooney
Harold A. Mooney Stanford University
David R. Bowling
David R. Bowling University of Utah
Diane E. Pataki
Diane E. Pataki Arizona State University
Adam G. West
Adam G. West University of Cape Town
Todd E. Dawson
Todd E. Dawson University of California, Berkeley
Kevin R. Hultine
Kevin R. Hultine Desert Botanical Garden
Luiz Antonio Martinelli
Luiz Antonio Martinelli Universidade de São Paulo

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