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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 43 3202 2983 803 718 116 7610

Asaph B. Cousins publications per year

The chart shows the history of publications by Asaph B. Cousins between 2001 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Asaph B. Cousins published across 25 years, from 2001 to 2025, averaging 5 papers a year. Output peaked at 12 publications in 2019. 6 of the 124 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 2001 to 2025. Vertical axis: number of publications, 0 to 12. Peak 12 publications in 2019. 2001: 4 publications 2002: 1 publication 2003: 2 publications 2004: 2 publications 2005: 0 publications 2006: 3 publications 2007: 3 publications 2008: 3 publications 2009: 0 publications 2010: 4 publications 2011: 3 publications 2012: 4 publications 2013: 5 publications 2014: 11 publications 2015: 2 publications 2016: 9 publications 2017: 4 publications 2018: 10 publications 2019: 12 publications 2020: 10 publications 2021: 12 publications 2022: 7 publications 2023: 7 publications 2024: 2 publications 2025: 4 publications
2001 2025

124 publications in total across all disciplines

View publications per year as a table
Asaph B. Cousins: publications per year, 2001 to 2025
Year Publications
2001 4
2002 1
2003 2
2004 2
2005 0
2006 3
2007 3
2008 3
2009 0
2010 4
2011 3
2012 4
2013 5
2014 11
2015 2
2016 9
2017 4
2018 10
2019 12
2020 10
2021 12
2022 7
2023 7
2024 2
2025 4
Total 124
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Asaph B. Cousins 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 Asaph B. Cousins sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 88 bars. Horizontal axis: publications, 36–40 to 467+. Vertical axis: number of scientists, 0 to 255. Most scientists, 255, have 111–115 publications. The last bar groups every scientist with 467 publications or more. The highlighted bar, 116–120 publications, is where this scientist sits. 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
36–40 publications 467+

This scientist: 116 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.

View publications distribution as a table
Number of Plant Science and Agronomy scientists by publication count, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
Publications Scientists This scientist
36–40 2
41–45 7
46–50 40
51–55 58
56–60 60
61–65 107
66–70 130
71–75 153
76–80 191
81–85 199
86–90 206
91–95 218
96–100 226
101–105 227
106–110 247
111–115 255
116–120 253 116
121–125 233
126–130 219
131–135 201
136–140 194
141–145 176
146–150 157
151–155 147
156–160 151
161–165 159
166–170 137
171–175 128
176–180 126
181–185 98
186–190 114
191–195 100
196–200 90
201–205 71
206–210 98
211–215 70
216–220 86
221–225 61
226–230 58
231–235 53
236–240 64
241–245 39
246–250 46
251–255 51
256–260 36
261–265 44
266–270 35
271–275 30
276–280 33
281–285 35
286–290 36
291–295 26
296–300 26
301–305 31
306–310 30
311–315 21
316–320 29
321–325 14
326–330 15
331–335 15
336–340 17
341–345 15
346–350 12
351–355 17
356–360 18
361–365 12
366–370 11
371–375 6
376–380 6
381–385 11
386–390 9
391–395 10
396–400 8
401–405 4
406–410 9
411–415 11
416–420 4
421–425 7
426–430 4
431–435 3
436–440 5
441–445 8
446–450 6
451–455 7
456–460 5
461–465 6
466 2
467+ 99
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Asaph B. Cousins 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 Asaph B. Cousins sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 80 bars. Horizontal axis: D-Index, 30 to 109+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 34 D-Index. The last bar groups every scientist with 109 D-Index or more. The highlighted bar, 43 D-Index, is where this scientist sits. 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: 43 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Plant Science and Agronomy scientists by D-index, Research.com 2026 ranking edition. Based on 6,494 ranked scientists.
D-Index Scientists This scientist
30 200
31 236
32 253
33 283
34 288
35 240
36 246
37 243
38 247
39 229
40 232
41 230
42 228
43 219 43
44 193
45 164
46 158
47 143
48 131
49 127
50 122
51 122
52 110
53 102
54 98
55 79
56 85
57 88
58 91
59 62
60 61
61 59
62 54
63 61
64 59
65 58
66 41
67 49
68 39
69 32
70 40
71 47
72 38
73 28
74 29
75 28
76 22
77 21
78 25
79 26
80 19
81 16
82 12
83 16
84 14
85 11
86 17
87 13
88 10
89 12
90 18
91 16
92 16
93 17
94 12
95 8
96 9
97 9
98 11
99 12
100 5
101 8
102 4
103 11
104 5
105 9
106 7
107 4
108 8
109+ 99
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Overview

What is he best known for?

The fields of study he is best known for:

  • Photosynthesis
  • Enzyme
  • Gene

Asaph B. Cousins spends much of his time researching Photosynthesis, Botany, Carbon dioxide, Photorespiration and Nitrogen assimilation. His Photosynthesis study is associated with Biochemistry. His Botany study incorporates themes from Productivity and Fractionation.

His Carbon dioxide research integrates issues from Sorghum, Agronomy, Isotopes of carbon, Evapotranspiration and C4 photosynthesis. His research in Photorespiration focuses on subjects like Chloroplast, which are connected to Primary production and Respiration. His Nitrogen assimilation research focuses on subjects like Shoot, which are linked to C4 carbon fixation, Arabidopsis, Photophosphorylation and Ecology.

His most cited work include:

  • The Origins of C4 Grasslands: Integrating Evolutionary and Ecosystem Science (666 citations)
  • Carbon Dioxide Enrichment Inhibits Nitrate Assimilation in Wheat and Arabidopsis (387 citations)
  • Nitrate assimilation in plant shoots depends on photorespiration (224 citations)

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

His primary areas of study are Photosynthesis, Botany, C4 photosynthesis, Biochemistry and RuBisCO. His Photosynthesis study integrates concerns from other disciplines, such as Chloroplast and Carbonic anhydrase. His Botany research includes elements of Fractionation, Carbon dioxide and Isotopes of carbon.

As a part of the same scientific study, he usually deals with the Carbon dioxide, concentrating on Flaveria and frequently concerns with Flaveria bidentis. His C4 photosynthesis research is multidisciplinary, incorporating perspectives in Biophysics, Phosphoenolpyruvate carboxykinase, Photosynthetic efficiency and Horticulture. His RuBisCO research includes themes of Arabidopsis thaliana, Compensation point and Nicotiana tabacum.

He most often published in these fields:

  • Photosynthesis (60.58%)
  • Botany (41.35%)
  • C4 photosynthesis (31.73%)

What were the highlights of his more recent work (between 2018-2021)?

  • Photosynthesis (60.58%)
  • Agronomy (15.38%)
  • Stomatal conductance (18.27%)

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

Asaph B. Cousins mostly deals with Photosynthesis, Agronomy, Stomatal conductance, Biochemistry and Conductance. Photosynthesis is a subfield of Botany that Asaph B. Cousins tackles. The study incorporates disciplines such as Quantitative trait locus, Partial least squares regression, Photosynthetic capacity and Nicotiana tabacum in addition to Agronomy.

The various areas that Asaph B. Cousins examines in his Stomatal conductance study include Soil water, Water-use efficiency and Sorghum bicolor. His Mutant, Amino acid, Carbonic anhydrase and Glycogen phosphorylase study, which is part of a larger body of work in Biochemistry, is frequently linked to Mixotroph, bridging the gap between disciplines. In his study, Horticulture and Fractionation is inextricably linked to Respiration, which falls within the broad field of C4 photosynthesis.

Between 2018 and 2021, his most popular works were:

  • Critical review: incorporating the arrangement of mitochondria and chloroplasts into models of photosynthesis and carbon isotope discrimination. (17 citations)
  • Increased adaxial stomatal density is associated with greater mesophyll surface area exposed to intercellular air spaces and mesophyll conductance in diverse C4 grasses (13 citations)
  • Regulation and stimulation of photosynthesis of mixotrophically cultured Haematococcus pluvialis by ribose (10 citations)

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

  • Photosynthesis
  • Enzyme
  • Gene

Asaph B. Cousins mainly investigates Photosynthesis, Botany, C4 photosynthesis, Chloroplast and Stomatal conductance. His Photosynthesis study combines topics in areas such as Ribose and Metabolism. In general Botany, his work in Stomatal density is often linked to Wall thickness linking many areas of study.

His research integrates issues of Oryza sativa, Phosphoenolpyruvate carboxylase and Respiration in his study of C4 photosynthesis. While the research belongs to areas of Chloroplast, Asaph B. Cousins spends his time largely on the problem of Isotopes of carbon, intersecting his research to questions surrounding Biophysics. His Stomatal conductance research incorporates themes from Mesophyll Cell and Water-use efficiency.

Best Publications

  • The Origins of C4 Grasslands: Integrating Evolutionary and Ecosystem Science

    Erika J. Edwards;Colin P. Osborne;Caroline A.E. Strömberg;Stephen A. Smith

  • Carbon Dioxide Enrichment Inhibits Nitrate Assimilation in Wheat and Arabidopsis

    Arnold J. Bloom;Martin Burger;Jose Salvador Rubio Asensio;Asaph B. Cousins

  • Nitrate assimilation in plant shoots depends on photorespiration

    Shimon Rachmilevitch;Asaph B. Cousins;Arnold J. Bloom

  • C3 plants enhance rates of photosynthesis by reassimilating photorespired and respired CO2

    Florian A. Busch;Tammy L. Sage;Asaph B. Cousins;Rowan F. Sage

  • Coordination of Leaf Photosynthesis, Transpiration, and Structural Traits in Rice and Wild Relatives (Genus Oryza)

    Rita Giuliani;Nuria Koteyeva;Elena Voznesenskaya;Marc A. Evans

  • Elevated atmospheric CO2 improved Sorghum plant water status by ameliorating the adverse effects of drought

    G. W. Wall;T. J. Brooks;N. R. Adam;A. B. Cousins

  • CO2 enrichment increases water-use efficiency in sorghum

    Matthew M. Conley;B. A. Kimball;T. J. Brooks;P. J. Pinter

  • CO2 enrichment inhibits shoot nitrate assimilation in C3 but not C4 plants and slows growth under nitrate in C3 plants

    Arnold J Bloom;Jose Salvador Rubaio Asensio;Lesley Randall;Shimon Rachmilevitch

  • Temperature response of in vivo Rubisco kinetics and mesophyll conductance in Arabidopsis thaliana: comparisons to Nicotiana tabacum.

    Berkley Walker;Loren S. Ariza;Sarah Kaines;Murray R. Badger

  • The Response of Cyclic Electron Flow around Photosystem I to Changes in Photorespiration and Nitrate Assimilation

    Berkley J. Walker;Deserah D. Strand;David M. Kramer;Asaph B. Cousins

  • Peroxisomal Malate Dehydrogenase Is Not Essential for Photorespiration in Arabidopsis But Its Absence Causes an Increase in the Stoichiometry of Photorespiratory CO2 Release

    Asaph B. Cousins;Itsara Pracharoenwattana;Wenxu Zhou;Steven M. Smith

  • Carbon isotope discrimination as a tool to explore C4 photosynthesis

    Susanne von Caemmerer;Oula Ghannoum;Jasper J. L. Pengelly;Asaph B. Cousins

  • The efficiency of C4 photosynthesis under low light conditions in Zea mays, Miscanthus x giganteus and Flaveria bidentis

    Nerea Ubierna;Wei Sun;David M. Kramer;Asaph B. Cousins

  • The Role of Phosphoenolpyruvate Carboxylase during C4 Photosynthetic Isotope Exchange and Stomatal Conductance

    Asaph B. Cousins;Irene Baroli;Murray R. Badger;Alexander Ivakov

  • Installation of C4 photosynthetic pathway enzymes in rice using a single construct.

    Maria Ermakova;Stéphanie Arrivault;Rita Giuliani;Florence Danila

  • Bundle-sheath leakiness in C4 photosynthesis: a careful balancing act between CO2 concentration and assimilation

    Johannes Kromdijk;Nerea Ubierna;Asaph B. Cousins;Howard Griffiths

  • Carbonic Anhydrase and Its Influence on Carbon Isotope Discrimination during C4 Photosynthesis. Insights from Antisense RNA in Flaveria bidentis

    Asaph B. Cousins;Murray R. Badger;Susanne von Caemmerer

  • Cell wall properties in Oryza sativa influence mesophyll CO2 conductance.

    Patrícia V. Ellsworth;Patrick Z. Ellsworth;Nuria K. Koteyeva;Nuria K. Koteyeva;Asaph B. Cousins

  • Temperature Responses of C4 Photosynthesis: Biochemical Analysis of Rubisco, Phosphoenolpyruvate Carboxylase, and Carbonic Anhydrase in Setaria viridis.

    Ryan Allen Boyd;Anthony Gandin;Asaph B Cousins

  • The efficiency of C4 photosynthesis under low light conditions: assumptions and calculations with CO2 isotope discrimination

    Nerea Ubierna;Wei Sun;Asaph B. Cousins

  • C4 photosynthetic isotope exchange in NAD-ME- and NADP-ME-type grasses

    Asaph B. Cousins;Murray R. Badger;Susanne von Caemmerer

Frequent Co-Authors

Susanne von Caemmerer
Susanne von Caemmerer Australian National University
Gerald E. Edwards
Gerald E. Edwards Washington State University
Murray R. Badger
Murray R. Badger Australian National University
Thomas P. Brutnell
Thomas P. Brutnell Donald Danforth Plant Science Center
Gerard W. Wall
Gerard W. Wall Agricultural Research Service
Robert T. Furbank
Robert T. Furbank Australian National University
Bruce A. Kimball
Bruce A. Kimball Agricultural Research Service
Ivan Baxter
Ivan Baxter Donald Danforth Plant Science Center
Paul J. Pinter
Paul J. Pinter Agricultural Research Service
Michael J. Ottman
Michael J. Ottman University of Arizona

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