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Kaoru Kitajima

Kaoru Kitajima

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Plant Science and Agronomy
Japan
2023

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Plant Science and Agronomy 57 1402 1284 41 41 117 19519
Environmental Sciences 57 3366 3216 50 48 120 19531

Kaoru Kitajima publications per year

The chart shows the history of publications by Kaoru Kitajima between 1975 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kaoru Kitajima published across 51 years, from 1975 to 2025, averaging 2.9 papers a year. Output peaked at 11 publications in 2023. 20 of the 149 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1975 to 2025. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 2023. 1975: 1 publication 1976: 1 publication 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 1 publication 1987: 0 publications 1988: 0 publications 1989: 2 publications 1990: 0 publications 1991: 0 publications 1992: 3 publications 1993: 0 publications 1994: 1 publication 1995: 1 publication 1996: 3 publications 1997: 2 publications 1998: 0 publications 1999: 2 publications 2000: 2 publications 2001: 3 publications 2002: 2 publications 2003: 7 publications 2004: 3 publications 2005: 4 publications 2006: 2 publications 2007: 5 publications 2008: 2 publications 2009: 3 publications 2010: 5 publications 2011: 4 publications 2012: 4 publications 2013: 5 publications 2014: 6 publications 2015: 7 publications 2016: 5 publications 2017: 5 publications 2018: 6 publications 2019: 6 publications 2020: 4 publications 2021: 6 publications 2022: 5 publications 2023: 11 publications 2024: 9 publications 2025: 11 publications
1975 2025

149 publications in total across all disciplines

View publications per year as a table
Kaoru Kitajima: publications per year, 1975 to 2025
Year Publications
1975 1
1976 1
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 1
1987 0
1988 0
1989 2
1990 0
1991 0
1992 3
1993 0
1994 1
1995 1
1996 3
1997 2
1998 0
1999 2
2000 2
2001 3
2002 2
2003 7
2004 3
2005 4
2006 2
2007 5
2008 2
2009 3
2010 5
2011 4
2012 4
2013 5
2014 6
2015 7
2016 5
2017 5
2018 6
2019 6
2020 4
2021 6
2022 5
2023 11
2024 9
2025 11
Total 149
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Kaoru Kitajima 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 Kaoru Kitajima 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: 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.

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
116–120 253 117
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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Kaoru Kitajima 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 Kaoru Kitajima 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, 57 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: 57 D-Index — 78th percentile

78% 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 57
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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Research.com Recognitions

  • 2023 - Research.com Plant Science and Agronomy in Japan Leader Award
  • 2022 - Research.com Plant Science and Agronomy in Japan Leader Award

Overview

Kaoru Kitajima is affiliated with Kyoto University in Japan and has an extensive research portfolio focused on environmental and biological sciences. Their work prominently intersects areas such as ecology, plant science, and landscape conservation, reflecting a multidisciplinary approach to understanding natural systems.

Their main fields of study include Environmental Science and Agricultural and Biological Sciences, supported by a substantial number of publications. Within these areas, the primary subfields Kitajima has contributed to are Plant Science, Nature and Landscape Conservation, Ecology, Ecology, Evolution, Behavior and Systematics, and Global and Planetary Change.

The core topics that frame their research encompass Ecology and Vegetation Dynamics Studies, Silicon Effects in Agriculture, Aluminum toxicity and tolerance in plants and animals, Plant and animal studies, Geochemistry and Elemental Analysis, Forest ecology and management, and Remote Sensing and LiDAR Applications.

Kitajima's frequent publication venues highlight key journals where their research appears regularly. These venues include Ecological Research, SSRN Electronic Journal, Journal of Plant Research, Forest Ecology and Management, and Frontiers in Microbiology.

Their recent papers offer insight into their research focus, reflecting both empirical studies and broader ecological perspectives. Notable publications include:

  • Forest canopy height variation in relation to topography and forest types in central Japan with LiDAR (2021, Forest Ecology and Management)
  • Perspective: sustainability challenges, opportunities and solutions for long-term ecosystem observations (2023, Philosophical Transactions of the Royal Society B Biological Sciences)
  • Traits along the leaf economics spectrum are associated with communities of foliar endophytic symbionts (2022, Frontiers in Microbiology)
  • Coordination of leaf economics traits within the family of the world's fastest growing plants (Lemnaceae) (2021, Journal of Ecology)
  • Comparative analysis of borate fusion versus sodium carbonate extraction for quantification of silicon contents in plants (2020, Journal of Plant Research)

Collaboratively, Kitajima frequently works with fellow researchers such as Yusuke Onoda, Md. Farhadur Rahman, Ryosuke Nakamura, Joseph Emile Honour Percival, and Michiko Nakagawa, indicating an active engagement in co-authored scholarly work.

Best Publications

  • TRY - a global database of plant traits

    J. Kattge;S. Díaz;S. Lavorel;I. C. Prentice

  • TRY plant trait database : Enhanced coverage and open access

    Jens Kattge;Gerhard Bönisch;Sandra Díaz;Sandra Lavorel

  • Functional traits and the growth–mortality trade-off in tropical trees

    S. Joseph Wright;Kaoru Kitajima;Kaoru Kitajima;Nathan J. B. Kraft;Peter B. Reich

  • Relative importance of photosynthetic traits and allocation patterns as correlates of seedling shade tolerance of 13 tropical trees.

    Kaoru Kitajima

  • Plastic Phenotypic Response to Light of 16 Congeneric Shrubs From a Panamanian Rainforest

    Fernando Valladares;S. Joseph Wright;Eloisa Lasso;Kaoru Kitajima

  • Physiological and structural tradeoffs underlying the leaf economics spectrum.

    Yusuke Onoda;Ian J. Wright;John R. Evans;Kouki Hikosaka

  • Global patterns of leaf mechanical properties

    Yusuke Onoda;Mark Westoby;Peter B. Adler;Amy M.F. Choong

  • Cloud cover limits net CO2 uptake and growth of a rainforest tree during tropical rainy seasons

    Eric A. Graham;Stephen S. Mulkey;Kaoru Kitajima;Nathan G. Phillips

  • Carbohydrate storage enhances seedling shade and stress tolerance in a neotropical forest

    Jonathan A. Myers;Kaoru Kitajima

  • Ecology of seedling regeneration.

    K. Kitajima;M. Fenner

  • Increases of chlorophyll a/b ratios during acclimation of tropical woody seedlings to nitrogen limitation and high light

    Kaoru Kitajima;Kevin P. Hogan;Kevin P. Hogan

  • MULTIPLE TRAIT ASSOCIATIONS IN RELATION TO HABITAT DIFFERENTIATION AMONG 17 FLORIDIAN OAK SPECIES

    Jeannine Cavender-Bares;Jeannine Cavender-Bares;Jeannine Cavender-Bares;Kaoru Kitajima;F. A. Bazzaz

  • Carbohydrate storage and light requirements of tropical moist and dry forest tree species.

    Lourens Poorter;Kaoru Kitajima

  • Tissue-level leaf toughness, but not lamina thickness, predicts sapling leaf lifespan and shade tolerance of tropical tree species

    Kaoru Kitajima;Kaoru Kitajima;Lourens Poorter

  • Experimental Studies of Seedling Recruitment from Contrasting Seed Distributions

    Carol K. Augspurger;Kaoru Kitajima

  • Ecophysiology of Tropical Tree Seedlings

    Kaoru Kitajima

  • Decline of photosynthetic capacity with leaf age in relation to leaf longevities for five tropical canopy tree species.

    Kaoru Kitajima;Kaoru Kitajima;Stephen S. Mulkey;S. Joseph Wright

  • Globally, functional traits are weak predictors of juvenile tree growth, and we do not know why

    C.E. Thimothy Paine;Lucy Amissah;Lucy Amissah;Harald Auge;Christopher Baraloto;Christopher Baraloto

  • Temporal dynamics of microbial communities on decomposing leaf litter of 10 plant species in relation to decomposition rate

    Sarah R. Bray;Kaoru Kitajima;Michelle C. Mack

  • Coordinated changes in photosynthesis, water relations and leaf nutritional traits of canopy trees along a precipitation gradient in lowland tropical forest

    Louis S. Santiago;Louis S. Santiago;Kaoru Kitajima;S. Joseph Wright;Stephen S. Mulkey

  • Decline of photosynthetic capacity with leaf age and position in two tropical pioneer tree species.

    Kaoru Kitajima;Kaoru Kitajima;Stephen S. Mulkey;Mirna Samaniego;S. Joseph Wright

  • Life History Trade-Offs in Tropical Trees and Lianas

    Benjamin Gilbert;S. Joseph Wright;Helene C. Muller-Landau;Kaoru Kitajima

Frequent Co-Authors

S. Joseph Wright
S. Joseph Wright Smithsonian Tropical Research Institute
Martijn Slot
Martijn Slot Smithsonian Tropical Research Institute
Peter B. Reich
Peter B. Reich University of Minnesota
Lourens Poorter
Lourens Poorter Wageningen University & Research
Amy E. Zanne
Amy E. Zanne University of Miami
Jeremy W. Lichstein
Jeremy W. Lichstein University of Florida
Jeannine Cavender-Bares
Jeannine Cavender-Bares University of Minnesota
Ian J. Wright
Ian J. Wright Western Sydney University
Klaus Winter
Klaus Winter Smithsonian Tropical Research Institute
Colin A. Chapman
Colin A. Chapman Vancouver Island University

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