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Toshihiko Hara

Toshihiko Hara

D-Index & Metrics

Ecology and Evolution

D-Index
44
Citations
6063
World Ranking
5158
National Ranking
22

Toshihiko Hara publication distribution in Ecology and Evolution in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Toshihiko Hara sits on this spectrum.

37–41 publications: 2 scientists 42–46 publications: 9 scientists 47–51 publications: 10 scientists 52–56 publications: 31 scientists 57–61 publications: 56 scientists 62–66 publications: 91 scientists 67–71 publications: 92 scientists 72–76 publications: 127 scientists 77–81 publications: 173 scientists 82–86 publications: 236 scientists 87–91 publications: 227 scientists 92–96 publications: 240 scientists 97–101 publications: 333 scientists 102–106 publications: 280 scientists 107–111 publications: 300 scientists 112–116 publications: 285 scientists 117–121 publications: 305 scientists 122–126 publications: 287 scientists 127–131 publications: 278 scientists 132–136 publications: 289 scientists 137–141 publications: 273 scientists 142–146 publications: 262 scientists 147–151 publications: 246 scientists 152–156 publications: 235 scientists 157–161 publications: 205 scientists 162–166 publications: 199 scientists 167–171 publications: 174 scientists 172–176 publications: 164 scientists 177–181 publications: 173 scientists 182–186 publications: 189 scientists 187–191 publications: 170 scientists 192–196 publications: 139 scientists 197–201 publications: 128 scientists 202–206 publications: 117 scientists 207–211 publications: 115 scientists 212–216 publications: 107 scientists 217–221 publications: 124 scientists 222–226 publications: 81 scientists 227–231 publications: 82 scientists 232–236 publications: 85 scientists 237–241 publications: 75 scientists 242–246 publications: 66 scientists 247–251 publications: 81 scientists 252–256 publications: 69 scientists 257–261 publications: 70 scientists 262–266 publications: 55 scientists 267–271 publications: 64 scientists 272–276 publications: 49 scientists 277–281 publications: 48 scientists 282–286 publications: 44 scientists 287–291 publications: 45 scientists 292–296 publications: 36 scientists 297–301 publications: 39 scientists 302–306 publications: 38 scientists 307–311 publications: 30 scientists 312–316 publications: 34 scientists 317–321 publications: 25 scientists 322–326 publications: 22 scientists 327–331 publications: 28 scientists 332–336 publications: 30 scientists 337–341 publications: 22 scientists 342–346 publications: 30 scientists 347–351 publications: 26 scientists 352–356 publications: 22 scientists 357–361 publications: 29 scientists 362–366 publications: 21 scientists 367–371 publications: 12 scientists 372–376 publications: 18 scientists 377–381 publications: 17 scientists 382–386 publications: 13 scientists 387–391 publications: 21 scientists 392–396 publications: 13 scientists 397–401 publications: 10 scientists 402–406 publications: 15 scientists 407–411 publications: 8 scientists 412–416 publications: 9 scientists 417–421 publications: 8 scientists 422–426 publications: 4 scientists 427–431 publications: 10 scientists 432–436 publications: 10 scientists 437–441 publications: 5 scientists 442–446 publications: 4 scientists 447–451 publications: 10 scientists 452–456 publications: 2 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 7 scientists 472–476 publications: 6 scientists 477–481 publications: 6 scientists 482–486 publications: 3 scientists 487–491 publications: 3 scientists 492–496 publications: 4 scientists 497–501 publications: 4 scientists 502–506 publications: 8 scientists 507–511 publications: 5 scientists 512–516 publications: 4 scientists 517–521 publications: 5 scientists 522–526 publications: 4 scientists 527–530 publications: 5 scientists 531+ publications: 100 scientists
37 publications 531+

This scientist: 167 publications — 61st percentile

61% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 531 publications or more.

Toshihiko Hara D-index placement in Ecology and Evolution in 2026

The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Toshihiko Hara sits on this spectrum.

30 D-Index: 95 scientists 31 D-Index: 123 scientists 32 D-Index: 191 scientists 33 D-Index: 245 scientists 34 D-Index: 252 scientists 35 D-Index: 244 scientists 36 D-Index: 249 scientists 37 D-Index: 244 scientists 38 D-Index: 254 scientists 39 D-Index: 254 scientists 40 D-Index: 280 scientists 41 D-Index: 274 scientists 42 D-Index: 266 scientists 43 D-Index: 233 scientists 44 D-Index: 248 scientists 45 D-Index: 208 scientists 46 D-Index: 201 scientists 47 D-Index: 213 scientists 48 D-Index: 207 scientists 49 D-Index: 172 scientists 50 D-Index: 209 scientists 51 D-Index: 199 scientists 52 D-Index: 153 scientists 53 D-Index: 169 scientists 54 D-Index: 163 scientists 55 D-Index: 148 scientists 56 D-Index: 120 scientists 57 D-Index: 146 scientists 58 D-Index: 137 scientists 59 D-Index: 140 scientists 60 D-Index: 104 scientists 61 D-Index: 119 scientists 62 D-Index: 118 scientists 63 D-Index: 99 scientists 64 D-Index: 77 scientists 65 D-Index: 100 scientists 66 D-Index: 86 scientists 67 D-Index: 83 scientists 68 D-Index: 75 scientists 69 D-Index: 94 scientists 70 D-Index: 57 scientists 71 D-Index: 68 scientists 72 D-Index: 59 scientists 73 D-Index: 63 scientists 74 D-Index: 66 scientists 75 D-Index: 60 scientists 76 D-Index: 42 scientists 77 D-Index: 49 scientists 78 D-Index: 39 scientists 79 D-Index: 37 scientists 80 D-Index: 43 scientists 81 D-Index: 41 scientists 82 D-Index: 45 scientists 83 D-Index: 34 scientists 84 D-Index: 40 scientists 85 D-Index: 35 scientists 86 D-Index: 55 scientists 87 D-Index: 24 scientists 88 D-Index: 24 scientists 89 D-Index: 30 scientists 90 D-Index: 23 scientists 91 D-Index: 25 scientists 92 D-Index: 27 scientists 93 D-Index: 27 scientists 94 D-Index: 13 scientists 95 D-Index: 23 scientists 96 D-Index: 12 scientists 97 D-Index: 14 scientists 98 D-Index: 19 scientists 99 D-Index: 16 scientists 100 D-Index: 14 scientists 101 D-Index: 5 scientists 102 D-Index: 21 scientists 103 D-Index: 16 scientists 104 D-Index: 10 scientists 105 D-Index: 7 scientists 106 D-Index: 7 scientists 107 D-Index: 7 scientists 108 D-Index: 6 scientists 109 D-Index: 9 scientists 110 D-Index: 11 scientists 111 D-Index: 12 scientists 112 D-Index: 9 scientists 113 D-Index: 7 scientists 114 D-Index: 3 scientists 115 D-Index: 8 scientists 116 D-Index: 5 scientists 117 D-Index: 11 scientists 118 D-Index: 4 scientists 119 D-Index: 2 scientists 120 D-Index: 5 scientists 121+ D-Index: 100 scientists
30 D-Index 121+

This scientist: 44 D-Index — 41st percentile

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

The last bar groups every scientist with 121 D-Index or more.

Overview

Toshihiko Hara is affiliated with Hokkaido University in Japan. Their research primarily focuses on Environmental Science and Biochemistry, Genetics and Molecular Biology, reflecting a multidisciplinary approach to understanding ecological and molecular processes.

The subfields of study in which Toshihiko Hara has contributed include:

  • Molecular Biology
  • Global and Planetary Change
  • Nature and Landscape Conservation
  • Ecology
  • Atmospheric Science

The main research topics covered in their work are:

  • Plant Water Relations and Carbon Dynamics
  • Forest ecology and management
  • Ecology and Vegetation Dynamics Studies
  • Photosynthetic Processes and Mechanisms
  • Forest Ecology and Biodiversity Studies
  • Forest Management and Policy
  • Remote Sensing in Agriculture

Toshihiko Hara has co-authored extensively with various researchers. Frequent collaborators include:

  • Motomu Toda
  • Jiří Doležal
  • Pavel Fibich
  • Jan Altman
  • Ryouichi Tanaka

Their publications have appeared in several scientific journals. Notable venues with multiple publications include:

  • Journal of Experimental Botany
  • Forest Ecology and Management
  • Agricultural and Forest Meteorology
  • SSRN Electronic Journal
  • Oikos

Selected recent papers authored or co-authored by Toshihiko Hara comprise:

  • Determinants of ecosystem stability in a diverse temperate forest, 2020, Oikos
  • Reversible down-regulation of photosystems I and II leads to fast photosynthesis recovery after long-term drought in Jatropha curcas, 2022, Journal of Experimental Botany
  • Recovery and allocation of carbon stocks in boreal forests 64 years after catastrophic windthrow and salvage logging in northern Japan, 2020, Forest Ecology and Management
  • Complete Chloroplast Genome of Japanese Larch (Larix kaempferi): Insights into Intraspecific Variation with an Isolated Northern Limit Population, 2020, Forests
  • Simulated effects of canopy structural complexity on forest productivity, 2023, Forest Ecology and Management

Toshihiko Hara has also contributed to book publications, including:

  • An Essay on the Principle of Sustainable Population, 2020, Springer International Publishing

Best Publications

  • Latitudinal variation in plant size and relative growth rate in Arabidopsis thaliana

    Bo Li;Jun-Ichirou Suzuki;Toshihiko Hara

  • A stochastic model and the moment dynamics of the growth and size distribution in plant populations

    Toshihiko Hara

  • Dynamics of size structure in plant populations

    Toshihiko Hara

  • Effects of understory dwarf bamboo on soil water and the growth of overstory trees in a dense secondary Betula ermanii forest, northern Japan: Understory dwarf bamboo and overstory trees

    Koichi Takahashi;Shigeru Uemura;Jun-Ichirou Suzuki;Toshihiko Hara

  • Effect of salicylic acid on chlorophyll and carotenoid contents of wheat and moong seedlings

    S.T. Moharekar;S.T. Moharekar;S.D. Lokhande;T. Hara;R. Tanaka

  • Growth dynamics and size structure of shoots of Phragmites australis, a clonal plant

    T. Hara;J. Van Der Toorn;J. H. Mook

  • Bioturbation of Burrowing Crabs Promotes Sediment Turnover and Carbon and Nitrogen Movements in an Estuarine Salt Marsh

    Jin Qing Wang;Xiao Dong Zhang;Li Fen Jiang;Mark D. Bertness

  • GROWTH PATTERNS OF TREE HEIGHT AND STEM DIAMETER IN POPULATIONS OF ABIES VEITCHII, A. MARIESII AND BETULA ERMANII

    Toshihiko Hara;Makoto Kimura;Kihachiro Kikuzawa

  • Size hierarchies of shoots and clones in clonal herb monocultures: do clonal and non-clonal plants compete differently?

    Hans de Kroon;Toshihiko Hara;Rene Kwant

  • Dynamics of stand structure in plant monocultures

    Toshihiko Hara

  • Parameterisation of aerodynamic roughness over boreal, cool- and warm-temperate forests

    Taro Nakai;Akihiro Sumida;Ken'ichi Daikoku;Kazuho Matsumoto

  • Size symmetry of competition alters biomass-density relationships.

    Peter Stoll;Jacob Weiner;Helene Muller-Landau;Elke Müller

  • Effects of understory dwarf bamboo on soil water and the growth of overstory trees in a dense secondary Betula ermanii forest, northern Japan

    Koichi Takahashi;Shigeru Uemura;Jun-Ichirou Suzuki;Toshihiko Hara

  • Leaf litterfall and decomposition of different above- and belowground parts of birch ( Betula ermanii ) trees and dwarf bamboo ( Sasa kurilensis ) shrubs in a young secondary forest in Northern Japan

    S. K. Tripathi;S. K. Tripathi;A. Sumida;H. Shibata;K. Ono

  • Within population genetic differentiation in traits affecting clonal growth: Festuca rubra in a mountain grassland

    H. Skálová;S. Pecháčková;J. Suzuki;J. Suzuki;T. Herben

  • Effects of the Mode of Competition on Stationary Size Distribution in Plant Populations

    Toshihiko Hara

  • A Canopy Photosynthesis Model for the Dynamics of Size Structure and Self-thinning in Plant Populations

    Masayuki Yokozawa;Toshihiko Hara

  • Competitive Asymmetry Reduces Spatial Effects on Size-Structure Dynamics in Plant Populations

    Toshihiko Hara;Tomasz Wyszomirski

  • Foliage Profile, Size Structure and Stem Diameter-Plant Height Relationship in Crowded Plant Populations

    Masayuki Yokozawa;Toshihiko Hara

  • Tree Competition and Species Coexistence in a Sub-boreal Forest, Northern Japan

    Yasuhiro Kubota;Toshihiko Hara

  • Size-structured populations: Ecology and evolution: edited by Bo Ebenman and Lennart Persson, Springer-Verlag, 1988. DM 148.00 (xiv+284 pages) ISBN 3 540 501886

    Unknown

Frequent Co-Authors

Masayuki Yokozawa
Masayuki Yokozawa Waseda University
Tomáš Herben
Tomáš Herben Charles University
Jiří Doležal
Jiří Doležal Czech Academy of Sciences
Yasuhiro Kubota
Yasuhiro Kubota University of the Ryukyus
Hideaki Shibata
Hideaki Shibata Hokkaido University
Takeshi Ohta
Takeshi Ohta Nagoya University
Jan Altman
Jan Altman Czech Academy of Sciences
Ayumi Tanaka
Ayumi Tanaka Hokkaido University
Seita Emori
Seita Emori University of Tokyo
Trofim C. Maximov
Trofim C. Maximov Russian Academy of Sciences

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