World's Best Scientists 2026 revealed!

D-Index & Metrics

Plant Science and Agronomy

D-Index
59
Citations
13586
World Ranking
1261
National Ranking
332

James H. Richards 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 H. Richards sits on this spectrum.

36–40 publications: 2 scientists 41–45 publications: 7 scientists 46–50 publications: 40 scientists 51–55 publications: 58 scientists 56–60 publications: 60 scientists 61–65 publications: 107 scientists 66–70 publications: 130 scientists 71–75 publications: 153 scientists 76–80 publications: 191 scientists 81–85 publications: 199 scientists 86–90 publications: 206 scientists 91–95 publications: 218 scientists 96–100 publications: 226 scientists 101–105 publications: 227 scientists 106–110 publications: 247 scientists 111–115 publications: 255 scientists 116–120 publications: 253 scientists 121–125 publications: 233 scientists 126–130 publications: 219 scientists 131–135 publications: 201 scientists 136–140 publications: 194 scientists 141–145 publications: 176 scientists 146–150 publications: 157 scientists 151–155 publications: 147 scientists 156–160 publications: 151 scientists 161–165 publications: 159 scientists 166–170 publications: 137 scientists 171–175 publications: 128 scientists 176–180 publications: 126 scientists 181–185 publications: 98 scientists 186–190 publications: 114 scientists 191–195 publications: 100 scientists 196–200 publications: 90 scientists 201–205 publications: 71 scientists 206–210 publications: 98 scientists 211–215 publications: 70 scientists 216–220 publications: 86 scientists 221–225 publications: 61 scientists 226–230 publications: 58 scientists 231–235 publications: 53 scientists 236–240 publications: 64 scientists 241–245 publications: 39 scientists 246–250 publications: 46 scientists 251–255 publications: 51 scientists 256–260 publications: 36 scientists 261–265 publications: 44 scientists 266–270 publications: 35 scientists 271–275 publications: 30 scientists 276–280 publications: 33 scientists 281–285 publications: 35 scientists 286–290 publications: 36 scientists 291–295 publications: 26 scientists 296–300 publications: 26 scientists 301–305 publications: 31 scientists 306–310 publications: 30 scientists 311–315 publications: 21 scientists 316–320 publications: 29 scientists 321–325 publications: 14 scientists 326–330 publications: 15 scientists 331–335 publications: 15 scientists 336–340 publications: 17 scientists 341–345 publications: 15 scientists 346–350 publications: 12 scientists 351–355 publications: 17 scientists 356–360 publications: 18 scientists 361–365 publications: 12 scientists 366–370 publications: 11 scientists 371–375 publications: 6 scientists 376–380 publications: 6 scientists 381–385 publications: 11 scientists 386–390 publications: 9 scientists 391–395 publications: 10 scientists 396–400 publications: 8 scientists 401–405 publications: 4 scientists 406–410 publications: 9 scientists 411–415 publications: 11 scientists 416–420 publications: 4 scientists 421–425 publications: 7 scientists 426–430 publications: 4 scientists 431–435 publications: 3 scientists 436–440 publications: 5 scientists 441–445 publications: 8 scientists 446–450 publications: 6 scientists 451–455 publications: 7 scientists 456–460 publications: 5 scientists 461–465 publications: 6 scientists 466 publications: 2 scientists 467+ publications: 99 scientists
36 publications 467+

This scientist: 117 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

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

James H. Richards 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 H. Richards sits on this spectrum.

30 D-Index: 200 scientists 31 D-Index: 236 scientists 32 D-Index: 253 scientists 33 D-Index: 283 scientists 34 D-Index: 288 scientists 35 D-Index: 240 scientists 36 D-Index: 246 scientists 37 D-Index: 243 scientists 38 D-Index: 247 scientists 39 D-Index: 229 scientists 40 D-Index: 232 scientists 41 D-Index: 230 scientists 42 D-Index: 228 scientists 43 D-Index: 219 scientists 44 D-Index: 193 scientists 45 D-Index: 164 scientists 46 D-Index: 158 scientists 47 D-Index: 143 scientists 48 D-Index: 131 scientists 49 D-Index: 127 scientists 50 D-Index: 122 scientists 51 D-Index: 122 scientists 52 D-Index: 110 scientists 53 D-Index: 102 scientists 54 D-Index: 98 scientists 55 D-Index: 79 scientists 56 D-Index: 85 scientists 57 D-Index: 88 scientists 58 D-Index: 91 scientists 59 D-Index: 62 scientists 60 D-Index: 61 scientists 61 D-Index: 59 scientists 62 D-Index: 54 scientists 63 D-Index: 61 scientists 64 D-Index: 59 scientists 65 D-Index: 58 scientists 66 D-Index: 41 scientists 67 D-Index: 49 scientists 68 D-Index: 39 scientists 69 D-Index: 32 scientists 70 D-Index: 40 scientists 71 D-Index: 47 scientists 72 D-Index: 38 scientists 73 D-Index: 28 scientists 74 D-Index: 29 scientists 75 D-Index: 28 scientists 76 D-Index: 22 scientists 77 D-Index: 21 scientists 78 D-Index: 25 scientists 79 D-Index: 26 scientists 80 D-Index: 19 scientists 81 D-Index: 16 scientists 82 D-Index: 12 scientists 83 D-Index: 16 scientists 84 D-Index: 14 scientists 85 D-Index: 11 scientists 86 D-Index: 17 scientists 87 D-Index: 13 scientists 88 D-Index: 10 scientists 89 D-Index: 12 scientists 90 D-Index: 18 scientists 91 D-Index: 16 scientists 92 D-Index: 16 scientists 93 D-Index: 17 scientists 94 D-Index: 12 scientists 95 D-Index: 8 scientists 96 D-Index: 9 scientists 97 D-Index: 9 scientists 98 D-Index: 11 scientists 99 D-Index: 12 scientists 100 D-Index: 5 scientists 101 D-Index: 8 scientists 102 D-Index: 4 scientists 103 D-Index: 11 scientists 104 D-Index: 5 scientists 105 D-Index: 9 scientists 106 D-Index: 7 scientists 107 D-Index: 4 scientists 108 D-Index: 8 scientists 109+ D-Index: 99 scientists
30 D-Index 109+

This scientist: 59 D-Index — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Overview

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Botany
  • Gene

James H. Richards mainly investigates Ecology, Transpiration, Stomatal conductance, Botany and Shrub. Ecology is frequently linked to Genetic variation in his study. His Transpiration research integrates issues from Sarcobatus and Soil water, Water potential.

His Hydraulic conductivity study, which is part of a larger body of work in Soil water, is frequently linked to Chrysothamnus, bridging the gap between disciplines. His Stomatal conductance research is multidisciplinary, relying on both Carbon gain, Water metabolism, Agronomy, Carbon metabolism and photoperiodism. His study in Botany is interdisciplinary in nature, drawing from both Arabidopsis thaliana and Arabidopsis.

His most cited work include:

  • Hydraulic lift: consequences of water efflux from the roots of plants. (748 citations)
  • Nighttime Stomatal Conductance and Transpiration in C3 and C4 Plants (382 citations)
  • Genetics of drought adaptation in Arabidopsis thaliana: I. Pleiotropy contributes to genetic correlations among ecological traits (314 citations)

What are the main themes of his work throughout his whole career to date?

James H. Richards mainly focuses on Agronomy, Botany, Ecology, Transpiration and Soil water. His Agronomy study combines topics from a wide range of disciplines, such as Salinity and Nutrient. His research integrates issues of Quantitative trait locus, Genetic variation and Horticulture in his study of Botany.

His research in Transpiration intersects with topics in Nocturnal, Hydraulic conductivity, photoperiodism and Stomatal conductance. His Soil water research incorporates themes from Desert climate, Litter and Water content. His studies in Water potential integrate themes in fields like Canopy and Hydraulic redistribution.

He most often published in these fields:

  • Agronomy (39.08%)
  • Botany (35.63%)
  • Ecology (29.89%)

What were the highlights of his more recent work (between 2010-2019)?

  • Botany (35.63%)
  • Genetics (12.64%)
  • Genetic variation (13.79%)

In recent papers he was focusing on the following fields of study:

James H. Richards mostly deals with Botany, Genetics, Genetic variation, Ecology and Agronomy. His Botany study deals with Horticulture intersecting with Plant species, Co2 concentration and Morning. His Gene, Allele and Quantitative trait locus study in the realm of Genetics connects with subjects such as Expression quantitative trait loci.

The study incorporates disciplines such as Adaptation, Arabidopsis thaliana and Phenology in addition to Genetic variation. Ecology and Field conditions are frequently intertwined in his study. As part of his studies on Stomatal conductance, James H. Richards often connects relevant subjects like Transpiration.

Between 2010 and 2019, his most popular works were:

  • Characterizing genomic variation of Arabidopsis thaliana: the roles of geography and climate. (153 citations)
  • Physiological Genomics of Response to Soil Drying in Diverse Arabidopsis Accessions (116 citations)
  • Pleiotropy of FRIGIDA enhances the potential for multivariate adaptation (94 citations)

In his most recent research, the most cited papers focused on:

  • Botany
  • Ecology
  • Gene

Genetic variation, Arabidopsis thaliana, Adaptation, Genetics and Water-use efficiency are his primary areas of study. James H. Richards has included themes like Phenology, Species distribution, Growing season and Geographical distance in his Adaptation study. The various areas that James H. Richards examines in his Water-use efficiency study include Transpiration, Genetic correlation and Stomatal conductance.

His Stomatal conductance research is within the category of Botany. His Agronomy research is multidisciplinary, incorporating perspectives in Flowering time, Indirect selection, Specific leaf area and Water content. His Local adaptation research entails a greater understanding of Ecology.

Best Publications

  • Hydraulic lift: consequences of water efflux from the roots of plants.

    Martyn M. Caldwell;Todd E. Dawson;James H. Richards

  • Hydraulic lift: Substantial nocturnal water transport between soil layers by Artemisia tridentata roots

    J. H. Richards;M. M. Caldwell

  • Coping with Herbivory: Photosynthetic Capacity and Resource Allocation in Two Semiarid Agropyron Bunchgrasses,

    M. M. Caldwell;J. H. Richards;D. A. Johnson;R. S. Nowak

  • Hydraulic lift: water efflux from upper roots improves effectiveness of water uptake by deep roots

    M. M. Caldwell;J. H. Richards

  • Nighttime Stomatal Conductance and Transpiration in C3 and C4 Plants

    Mairgareth A. Caird;James H. Richards;Lisa A. Donovan

  • Genetics of drought adaptation in Arabidopsis thaliana: I. Pleiotropy contributes to genetic correlations among ecological traits

    J. K. Mckay;J. H. Richards;T. Mitchell-Olds

  • Night‐time conductance in C3 and C4 species: do plants lose water at night?

    K. A. Snyder;J. H. Richards;L. A. Donovan

  • Predawn plant water potential does not necessarily equilibrate with soil water potential under well-watered conditions

    L. A. Donovan;M. J. Linton;J. H. Richards

  • Soluble Carbohydrates, Concurrent Photosynthesis and Efficiency in Regrowth Following Defoliation: a Field Study with Agropyron Species

    Unknown

  • Characterizing genomic variation of Arabidopsis thaliana: the roles of geography and climate.

    Jesse R. Lasky;David L. Des Marais;John K. McKAY;James H. Richards

  • Identification and characterization of QTL underlying whole‐plant physiology in Arabidopsis thaliana: δ13C, stomatal conductance and transpiration efficiency

    Thomas E. Juenger;John K. Mckay;Neil Hausmann;Joost J. B. Keurentjes

  • Competition for phosphorus: differential uptake from dual-isotope--labeled soil interspaces between shrub and grass.

    Martyn M. Caldwell;David M. Eissenstat;James H. Richards;Michael F. Allen

  • MAGNITUDE AND MECHANISMS OF DISEQUILIBRIUM BETWEEN PREDAWN PLANT AND SOIL WATER POTENTIALS

    Lisa A. Donovan;James H. Richards;Matthew J. Linton

  • Importance of internal hydraulic redistribution for prolonging the lifespan of roots in dry soil.

    T. L. Bauerle;J. H. Richards;D. R. Smart;D. M. Eissenstat

  • Local adaptation across a climatic gradient despite small effective population size in the rare sapphire rockcress.

    John K. McKay;John G. Bishop;Jing-Zhong Lin;James H. Richards

  • Multiple resources limit plant growth and function in a saline-alkaline desert community

    J. J. James;R. L. Tiller;J. H. Richards

  • Critical N:P values: Predicting nutrient deficiencies in desert shrublands

    R.E. Drenovsky;J.H. Richards

  • Physiological Genomics of Response to Soil Drying in Diverse Arabidopsis Accessions

    David L. Des Marais;John K. McKay;James H. Richards;Saunak Sen

  • Predawn disequilibrium between plant and soil water potentials in two cold-desert shrubs.

    L. A. Donovan;D. J. Grisé;J. B. West;R. A. Pappert

  • Direct and indirect selection on flowering time, water-use efficiency (WUE, δ (13)C), and WUE plasticity to drought in Arabidopsis thaliana.

    Amanda M. Kenney;John K. McKay;James H. Richards;Thomas E. Juenger

  • Root growth response to defoliation in two Agropyron bunchgrasses: field observations with an improved root periscope

    Unknown

  • Nonstructural Carbohydrates and Spring Regrowth of Two Cool-season Grasses: Interaction of Drought and Clipping

    C. A. Busso;J. H. Richards;N. J. Chatterton

  • Juvenile shrubs show differences in stress tolerance, but no competition or facilitation, along a stress gradient

    Lisa A. Donovan;James H. Richards

  • Congeneric Serpentine and Nonserpentine Shrubs Differ More in Leaf Ca:Mg than in Tolerance of Low N, Low P, or Heavy Metals

    Ryan E. O’Dell;Jeremy J. James;James H. Richards

  • Variation in MPK12 affects water use efficiency in Arabidopsis and reveals a pleiotropic link between guard cell size and ABA response

    David L. Des Marais;Lisa C. Auchincloss;Emeline Sukamtoh;John K. McKay

  • The physiological basis for genetic variation in water use efficiency and carbon isotope composition in Arabidopsis thaliana

    Hsien Ming Easlon;Krishna S. Nemali;Krishna S. Nemali;James H. Richards;David T. Hanson

  • Drought and clipping effects on tiller demography andgrowth of two tussock grasses in Utah

    C.A. Busso;J.H. Richards

  • Basin Hydrology and Plant Root Systems

    James P. Dobrowolski;Martyn M. Caldwell;James H. Richards

  • Nutrient relations of the halophytic shrub, Sarcobatus vermiculatus, along a soil salinity gradient

    Lisa A. Donovan;James H. Richards;E. Joy Schaber

  • Trade-off between plant growth and defense? A comparison of sagebrush populations

    Frank J. Messina;Susan L. Durham;James H. Richards;Durant E. McArthur

  • Genetic variation in Arabidopsis thaliana for night-time leaf conductance

    Mairgareth A. Christman;James H. Richards;John K. Mckay;Eli A. Stahl

Frequent Co-Authors

Lisa A. Donovan
Lisa A. Donovan University of Georgia
Thomas E. Juenger
Thomas E. Juenger The University of Texas at Austin
Jeremy J. James
Jeremy J. James Agricultural Research Service
Donatella Zona
Donatella Zona San Diego State University
Thomas Mitchell-Olds
Thomas Mitchell-Olds Duke University
Eli A. Stahl
Eli A. Stahl Icahn School of Medicine at Mount Sinai
David B. Neale
David B. Neale University of California, Davis
Todd E. Dawson
Todd E. Dawson University of California, Berkeley
Robert W. Sykes
Robert W. Sykes National Renewable Energy Laboratory
Martyn M. Caldwell
Martyn M. Caldwell Utah State University

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