World's Best Scientists 2026 revealed!
Charles R. Warren

Charles R. Warren

D-Index & Metrics

Plant Science and Agronomy

D-Index
53
Citations
10017
World Ranking
1803
National Ranking
143

Charles R. Warren 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 Charles R. Warren 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: 122 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Charles R. Warren 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 Charles R. Warren 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: 53 D-Index — 73rd percentile

73% 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:

  • Botany
  • Ecology
  • Photosynthesis

His scientific interests lie mostly in Photosynthesis, Botany, Conductance, Carbon dioxide and RuBisCO. Particularly relevant to Stomatal conductance is his body of work in Photosynthesis. His studies in Stomatal conductance integrate themes in fields like Perennial plant and Transpiration.

His Botany study frequently intersects with other fields, such as Horticulture. His Carbon dioxide research integrates issues from Chloroplast membrane, Electron transport chain, Canopy photosynthesis, Chlorophyll fluorescence and Evergreen. His RuBisCO study combines topics in areas such as Nutrient and Metabolism.

His most cited work include:

  • Mesophyll diffusion conductance to CO2: an unappreciated central player in photosynthesis (431 citations)
  • Water availability and carbon isotope discrimination in conifers (307 citations)
  • Stand aside stomata, another actor deserves centre stage: the forgotten role of the internal conductance to CO2 transfer (225 citations)

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

His primary areas of study are Botany, Photosynthesis, Horticulture, Stomatal conductance and Nitrogen. His Botany study incorporates themes from Nutrient, Nitrate and Ammonium. His work on RuBisCO, Photosynthetic capacity and Chlorophyll fluorescence as part of general Photosynthesis research is frequently linked to Conductance, thereby connecting diverse disciplines of science.

His Horticulture research is multidisciplinary, incorporating perspectives in Photoinhibition, Acclimatization and Specific leaf area. His Stomatal conductance research includes themes of Ecophysiology, Agronomy, Vapour Pressure Deficit, Transpiration and Water-use efficiency. His Nitrogen research focuses on Amino acid and how it relates to Environmental chemistry, Soil water and Organic chemistry.

He most often published in these fields:

  • Botany (65.22%)
  • Photosynthesis (51.30%)
  • Horticulture (24.35%)

What were the highlights of his more recent work (between 2015-2021)?

  • Amino acid (14.78%)
  • Environmental chemistry (9.57%)
  • Botany (65.22%)

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

His main research concerns Amino acid, Environmental chemistry, Botany, Betaine and Photosynthesis. His Amino acid research includes elements of Metabolite, Efflux, Isotopologue and Nitrogen. His Environmental chemistry research incorporates elements of Extracellular, Soil water and Osmolyte.

His research combines Mineralization and Botany. His studies in Betaine integrate themes in fields like Vegetation types, Chromatography, Food science and Fatty acid. The various areas that Charles R. Warren examines in his Photosynthesis study include Biophysics and Aquaporin.

Between 2015 and 2021, his most popular works were:

  • Do microbial osmolytes or extracellular depolymerisation products accumulate as soil dries (27 citations)
  • Specific influence of white clover on the rhizosphere microbial community in response to polycyclic aromatic hydrocarbon (PAH) contamination (14 citations)
  • Root uptake of inorganic and organic N chemical forms in two coexisting Mediterranean forest trees (13 citations)

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

  • Botany
  • Ecology
  • Enzyme

His primary areas of investigation include Botany, Environmental chemistry, Microorganism, Amino acid and Ecosystem. His Botany research incorporates a variety of disciplines, including Acidobacteria, Betaproteobacteria, Microbial population biology, Gammaproteobacteria and Rhizosphere. He has included themes like Mineralization, Extracellular, Adsorption, Dehydration and Themeda triandra in his Environmental chemistry study.

A majority of his Microorganism research is a blend of other scientific areas, such as Chromatography, Fatty acid, Liquid chromatography–mass spectrometry, Mass spectrometry and Betaine. His work deals with themes such as Chronosequence, Biomass, Cycling and Nutrient cycle, Nutrient, which intersect with Amino acid. His Ecosystem research is multidisciplinary, relying on both Plant physiology, Nitrate, Root uptake, Mediterranean climate and Community structure.

Best Publications

  • Mesophyll diffusion conductance to CO2: an unappreciated central player in photosynthesis

    Jaume Flexas;Margaret M. Barbour;Oliver Brendel;Hernán M. Cabrera

  • Water availability and carbon isotope discrimination in conifers

    Charles R. Warren;John F. McGrath;Mark A. Adams

  • Role of mesophyll diffusion conductance in constraining potential photosynthetic productivity in the field

    Ülo Niinemets;Antonio Díaz-Espejo;Jaume Flexas;Jeroni Galmés

  • Stand aside stomata, another actor deserves centre stage: the forgotten role of the internal conductance to CO2 transfer

    Charles R. Warren

  • Internal conductance does not scale with photosynthetic capacity: implications for carbon isotope discrimination and the economics of water and nitrogen use in photosynthesis

    Charles R. Warren;Mark A. Adams

  • Temperature response of photosynthesis and internal conductance to CO2: results from two independent approaches

    CR Warren;E Dreyer

  • Photosynthesis-Rubisco relationships in foliage of Pinus sylvestris in response to nitrogen supply and the proposed role of Rubisco and amino acids as nitrogen stores

    Charles R. Warren;Charles R. Warren;Erwin Dreyer;Mark A. Adams;Mark A. Adams

  • Rapid Measurement of Chlorophylls with a Microplate Reader

    Charles Warren

  • Distribution of N, Rubisco and photosynthesis in Pinus pinaster and acclimation to light

    C. R. Warren;M. A. Adams

  • Evergreen trees do not maximize instantaneous photosynthesis

    Charles R. Warren;Mark A. Adams

  • AusTraits, a curated plant trait database for the Australian flora.

    Daniel Falster;Rachael Gallagher;Rachael Gallagher;Elizabeth H. Wenk;Ian J. Wright

  • Response of osmolytes in soil to drying and rewetting

    Charles R. Warren

  • Variability in mesophyll conductance between barley genotypes, and effects on transpiration efficiency and carbon isotope discrimination.

    Margaret M. Barbour;Charles R. Warren;Graham D. Farquhar;Guy Forrester

  • How does P affect photosynthesis and metabolite profiles of Eucalyptus globulus

    Charles R. Warren

  • Transfer conductance in second growth Douglas‐fir (Pseudotsuga menziesii (Mirb.)Franco) canopies

    C. R. Warren;G. J. Ethier;N. J. Livingston;N. J. Grant

  • Is photosynthesis related to concentrations of nitrogen and Rubisco in leaves of Australian native plants

    Charles R. Warren;Mark A. Adams;ZuLiang Chen

  • Phosphorus affects growth and partitioning of nitrogen to Rubisco in Pinus pinaster.

    Charles R Warren;Mark A Adams

  • Effect of thinning, pruning and nitrogen fertiliser application on transpiration, photosynthesis and water-use efficiency in a young Eucalyptus nitens plantation

    David I. Forrester;David I. Forrester;John J. Collopy;Christopher L. Beadle;Christopher L. Beadle;Charles R. Warren

  • Estimating the internal conductance to CO2 movement

    Charles Warren

  • Importance of mesophyll diffusion conductance in estimation of plant photosynthesis in the field

    Ülo Niinemets;Antonio Díaz-Espejo;Jaume Flexas;Jeroni Galmés

  • The photosynthetic limitation posed by internal conductance to CO2 movement is increased by nutrient supply

    Charles R. Warren

  • Organic N molecules in the soil solution: what is known, what is unknown and the path forwards

    Charles R. Warren

  • Increased photosynthesis following partial defoliation of field-grown Eucalyptus globulus seedlings is not caused by increased leaf nitrogen.

    Tarryn L. Turnbull;Mark A. Adams;Charles R. Warren

Frequent Co-Authors

Michael Tausz
Michael Tausz University of Melbourne
Ülo Niinemets
Ülo Niinemets Estonian University of Life Sciences
David H. Turpin
David H. Turpin University of Victoria
Ismael Aranda
Ismael Aranda Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria
Margaret M. Barbour
Margaret M. Barbour University of Sydney
Jeroni Galmés
Jeroni Galmés University of the Balearic Islands
Antonio Díaz-Espejo
Antonio Díaz-Espejo Spanish National Research Council
Jaume Flexas
Jaume Flexas University of the Balearic Islands
David I. Forrester
David I. Forrester Commonwealth Scientific and Industrial Research Organisation
Zuliang Chen
Zuliang Chen Fujian Normal University

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