2026 James R. Ehleringer: Plant Science and Agronomy Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Plant Science and Agronomy	129	40	38	11	10	440	75063
Ecology and Evolution	140	45	45	21	21	573	84254

James R. Ehleringer publication distribution in Plant Science and Agronomy in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Plant Science and Agronomy in 2026. The highlighted bar marks where James R. Ehleringer sits on this spectrum.

36 publications 467+

This scientist: 440 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 467 publications or more.

James R. Ehleringer D-index placement in Plant Science and Agronomy in 2026

The chart shows the D-index (discipline H-index) distribution of Plant Science and Agronomy scientists ranked by Research.com in 2026. The highlighted bar marks where James R. Ehleringer sits on this spectrum.

30 D-Index 109+

This scientist: 129 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 109 D-Index or more.

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

8551
Citations
A global analysis of root distributions for terrestrial biomes

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

3612
Citations
Global vegetation change through the Miocene/Pliocene boundary

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

2593
Citations
Maximum rooting depth of vegetation types at the global scale.

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

2395
Citations
C 4 photosynthesis, atmospheric CO 2 , and climate

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

1686
Citations
Water uptake by plants: perspectives from stable isotope composition

J. R. Ehleringer;T. E. Dawson

1336
Citations
Stable isotopes and plant carbon-water relations.

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

1217
Citations
Streamside trees that do not use stream water

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

1150
Citations
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

1137
Citations
Evolutionary and Ecological Aspects of Photosynthetic Pathway Variation

James R. Ehleringer;Russell K. Monson

1007
Citations
Plant Physiological Ecology-Field Methods and Instrumentation.

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

971
Citations
Carbon isotope ratios in belowground carbon cycle processes

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

924
Citations
A mechanistic model for interpretation of hydrogen and oxygen isotope ratios in tree-ring cellulose

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

892
Citations
The application and interpretation of Keeling plots in terrestrial carbon cycle research

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

810
Citations
Scaling physiological processes: leaf to globe.

James R. Ehleringer;Christopher B. Field

793
Citations
Climate change and the evolution of C4 photosynthesis

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

770
Citations
Comparative ecophysiology of C3 and C4 plants

R. W. Pearcy;J. Ehleringer

734
Citations
Differential utilization of summer rains by desert plants

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

662
Citations
Correlations between carbon isotope ratio and microhabitat in desert plants.

James R. Ehleringer;Tamsie A. Cooper

657
Citations
Carbon isotope fractionation between diet, breath CO2, and bioapatite in different mammals

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

641
Citations
Plant Physiological Ecology

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

401
Citations