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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 77 500 462 44 37 216 16613

Howard Griffiths publications per year

The chart shows the history of publications by Howard Griffiths between 1968 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Howard Griffiths published across 58 years, from 1968 to 2025, averaging 4.1 papers a year. Output peaked at 16 publications in 2016. 8 of the 236 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1968 to 2025. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2016. 1968: 1 publication 1969: 0 publications 1970: 0 publications 1971: 1 publication 1972: 2 publications 1973: 1 publication 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 3 publications 1983: 1 publication 1984: 1 publication 1985: 1 publication 1986: 5 publications 1987: 1 publication 1988: 2 publications 1989: 7 publications 1990: 4 publications 1991: 1 publication 1992: 6 publications 1993: 6 publications 1994: 4 publications 1995: 5 publications 1996: 6 publications 1997: 5 publications 1998: 6 publications 1999: 5 publications 2000: 3 publications 2001: 1 publication 2002: 9 publications 2003: 6 publications 2004: 3 publications 2005: 2 publications 2006: 3 publications 2007: 7 publications 2008: 10 publications 2009: 6 publications 2010: 3 publications 2011: 2 publications 2012: 4 publications 2013: 9 publications 2014: 13 publications 2015: 7 publications 2016: 16 publications 2017: 16 publications 2018: 6 publications 2019: 3 publications 2020: 10 publications 2021: 5 publications 2022: 7 publications 2023: 3 publications 2024: 4 publications 2025: 4 publications
1968 2025

236 publications in total across all disciplines

View publications per year as a table
Howard Griffiths: publications per year, 1968 to 2025
Year Publications
1968 1
1969 0
1970 0
1971 1
1972 2
1973 1
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 3
1983 1
1984 1
1985 1
1986 5
1987 1
1988 2
1989 7
1990 4
1991 1
1992 6
1993 6
1994 4
1995 5
1996 6
1997 5
1998 6
1999 5
2000 3
2001 1
2002 9
2003 6
2004 3
2005 2
2006 3
2007 7
2008 10
2009 6
2010 3
2011 2
2012 4
2013 9
2014 13
2015 7
2016 16
2017 16
2018 6
2019 3
2020 10
2021 5
2022 7
2023 3
2024 4
2025 4
Total 236
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Howard Griffiths 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 Howard Griffiths 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, 216–220 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: 216 publications — 81st percentile

81% 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
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 86 216
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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Howard Griffiths 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 Howard Griffiths 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, 77 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: 77 D-Index — 93rd percentile

93% 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
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 77
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:

  • Ecology
  • Botany
  • Photosynthesis

Botany, Photosynthesis, Crassulacean acid metabolism, Isotopes of carbon and Ecology are his primary areas of study. He interconnects Dry season and Agronomy in the investigation of issues within Botany. His study in the field of Carbon fixation, Ecophysiology, RuBisCO and Phosphoenolpyruvate carboxylase also crosses realms of Heterotroph.

In the field of Crassulacean acid metabolism, his study on Mesembryanthemum crystallinum overlaps with subjects such as Lobelia dortmanna. Howard Griffiths studied Isotopes of carbon and Fractionation that intersect with Analytical chemistry. His Ecology study combines topics from a wide range of disciplines, such as Morning, Field experiment, Atmospheric sciences and Carbon sequestration.

His most cited work include:

  • Carbon isotopes and water use efficiency: sense and sensitivity (398 citations)
  • Linking drought‐resistance mechanisms to drought avoidance in upland rice using a QTL approach: progress and new opportunities to integrate stomatal and mesophyll responses (299 citations)
  • Why are non-photosynthetic tissues generally 13C enriched compared with leaves in C3 plants? Review and synthesis of current hypotheses. (280 citations)

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

His primary areas of investigation include Botany, Photosynthesis, Crassulacean acid metabolism, Ecology and RuBisCO. His Photosynthesis research is multidisciplinary, incorporating perspectives in Pyrenoid, Malic acid and Isotopes of carbon. His research in Isotopes of carbon focuses on subjects like Lichen, which are connected to Thallus.

His studies examine the connections between Crassulacean acid metabolism and genetics, as well as such issues in Kalanchoe, with regards to Crassulaceae. His research is interdisciplinary, bridging the disciplines of δ13C and Ecology. The various areas that Howard Griffiths examines in his RuBisCO study include Biophysics and Photosystem II.

He most often published in these fields:

  • Botany (52.35%)
  • Photosynthesis (42.35%)
  • Crassulacean acid metabolism (24.12%)

What were the highlights of his more recent work (between 2016-2021)?

  • Ecology (23.53%)
  • Botany (52.35%)
  • RuBisCO (20.00%)

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

His primary areas of study are Ecology, Botany, RuBisCO, Photosynthesis and Chlamydomonas reinhardtii. In his articles, Howard Griffiths combines various disciplines, including Botany and Humidity. Within one scientific family, Howard Griffiths focuses on topics pertaining to Pyrenoid under RuBisCO, and may sometimes address concerns connected to Green algae and Algae.

In general Photosynthesis study, his work on Transpiration often relates to the realm of Explained variation, thereby connecting several areas of interest. His studies deal with areas such as Atmospheric sciences, Carbon dioxide and Water-use efficiency as well as Transpiration. His work in Range covers topics such as Adaptive radiation which are related to areas like Crassulacean acid metabolism.

Between 2016 and 2021, his most popular works were:

  • Widespread Biological Response to Rapid Warming on the Antarctic Peninsula (58 citations)
  • Temporal Dynamics of Stomatal Behavior: Modeling and Implications for Photosynthesis and Water Use (45 citations)
  • Rubisco small subunits from the unicellular green alga Chlamydomonas complement Rubisco-deficient mutants of Arabidopsis. (38 citations)

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

  • Ecology
  • Botany
  • Photosynthesis

His main research concerns Ecology, Botany, Photosynthesis, Pyrenoid and Chlamydomonas. His Ecology research includes themes of Molecular evolution and Vicariance. His Botany study often links to related topics such as Ecological significance.

His Photosynthesis study incorporates themes from Soil water, Soil pH, δ13C and Isotopes of carbon. His Pyrenoid research is multidisciplinary, incorporating elements of Cell biology, Biochemistry, Starch and RuBisCO. Among his Chlamydomonas studies, you can observe a synthesis of other disciplines of science such as Organelle and Starch binding.

Best Publications

  • Carbon isotopes and water use efficiency: sense and sensitivity

    Ulli Seibt;Ulli Seibt;Abazar Rajabi;Howard Griffiths;Joseph A. Berry

  • Linking drought‐resistance mechanisms to drought avoidance in upland rice using a QTL approach: progress and new opportunities to integrate stomatal and mesophyll responses

    Adam H. Price;Jill E. Cairns;Peter Horton;Hamlyn G. Jones

  • Why are non-photosynthetic tissues generally 13C enriched compared with leaves in C3 plants? Review and synthesis of current hypotheses.

    Lucas A. Cernusak;Guillaume Tcherkez;Claudia Keitel;William K. Cornwell

  • Exploiting the potential of plants with crassulacean acid metabolism for bioenergy production on marginal lands

    Anne M. Borland;Howard Griffiths;James Hartwell;J. Andrew C. Smith

  • Growth and development of Mesembryanthemum crystallinum (Aizoaceae)

    Patricia Adams;Don E. Nelson;Shigehiro Yamada;Wendy Chmara

  • Crassulacean acid metabolism: plastic, fantastic

    Antony N. Dodd;Anne M. Borland;Richard P. Haslam;Howard Griffiths

  • Soil priming by sugar and leaf-litter substrates: A link to microbial groups

    Andrew T. Nottingham;Howard Griffiths;Paul M. Chamberlain;Andrew W. Stott

  • A repeat protein links Rubisco to form the eukaryotic carbon-concentrating organelle

    Luke C. M. Mackinder;Moritz T. Meyer;Tabea Mettler-Altmann;Vivian K. Chen

  • The potential for land sparing to offset greenhouse gas emissions from agriculture

    Anthony Lamb;Rhys Green;Rhys Green;Ian Bateman;Mark Broadmeadow

  • Carbon isotope fractionation during dark respiration and photorespiration in C3 plants

    Jaleh Ghashghaie;Franz-W. Badeck;Gary Lanigan;Salvador Nogués

  • A roadmap for research on crassulacean acid metabolism (CAM) to enhance sustainable food and bioenergy production in a hotter, drier world.

    Xiaohan Yang;John C. Cushman;Anne M. Borland;Anne M. Borland;Erika J. Edwards

  • Origins and diversity of eukaryotic CO2-concentrating mechanisms: lessons for the future

    Moritz Meyer;Howard Griffiths

  • Photosynthetic pathways in the Bromeliaceae of Trinidad: relations between life-forms, habitat preference and the occurrence of CAM.

    Howard Griffiths;J. Andrew C. Smith

  • Plant responses to water stress.

    H. Griffiths;M. A. J. Parry

  • Temporal Dynamics of Stomatal Behavior: Modeling and Implications for Photosynthesis and Water Use

    Silvere R.M. Vialet-Chabrand;Jack S.A. Matthews;Lorna McAusland;Michael R. Blatt

  • Inorganic C-sources for Lemanea, Cladophora and Ranunculus in a fast-flowing stream: Measurements of gas exchange and of carbon isotope ratio and their ecological implications.

    John Raven;John Beardall;Howard Griffiths

  • You're so vein: bundle sheath physiology, phylogeny and evolution in C3 and C4 plants.

    Howard Griffiths;George Weller;Lydia F. M. Toy;Ross J. Dennis

  • Diurnal variation of Δ13CO2, ΔC18O16O and evaporative site enrichment of δH218O in Piper aduncum under field conditions in Trinidad

    K. G. Harwood;J. S. Gillon;H. Griffiths;M. S. J. Broadmeadow

  • Functional hybrid rubisco enzymes with plant small subunits and algal large subunits: engineered rbcS cDNA for expression in chlamydomonas.

    Todor Genkov;Moritz Thomas Meyer;Howard Griffiths;Robert J Spreitzer

  • Cleome, a genus closely related to Arabidopsis, contains species spanning a developmental progression from C(3) to C(4) photosynthesis.

    Diana M. Marshall;Riyadh Muhaidat;Naomi J. Brown;Zheng Liu

  • Crassulacean Acid Metabolism: a Re-appraisal of Physiological Plasticity in Form and Function

    H. Griffiths

Frequent Co-Authors

Anne M. Borland
Anne M. Borland Newcastle University
Peter Convey
Peter Convey British Antarctic Survey
Dominic A. Hodgson
Dominic A. Hodgson British Antarctic Survey
Lisa Wingate
Lisa Wingate INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Michael R. Blatt
Michael R. Blatt University of Glasgow
Tracy Lawson
Tracy Lawson University of Illinois at Urbana-Champaign
Dan J. Charman
Dan J. Charman University of Exeter
Gary Lanigan
Gary Lanigan Teagasc - The Irish Agriculture and Food Development Authority
Ulrich Lüttge
Ulrich Lüttge Technical University of Darmstadt
John A. Raven
John A. Raven University of Dundee

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