World's Best Scientists 2026 revealed!
Naoko Tokuchi

Naoko Tokuchi

D-Index & Metrics

Ecology and Evolution

D-Index
31
Citations
3523
World Ranking
8253
National Ranking
65

Naoko Tokuchi 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 Naoko Tokuchi 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: 156 publications — 56th percentile

56% of scientists in this discipline score the same or lower.

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

Naoko Tokuchi 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 Naoko Tokuchi 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: 31 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Overview

Naoko Tokuchi is a researcher affiliated with Kyoto University in Japan. Their work primarily spans the fields of Environmental Science and Agricultural and Biological Sciences, with a focus on ecological processes and nutrient dynamics in soil and water systems.

Their research covers a range of subfields including Ecology, Soil Science, Environmental Chemistry, Water Science and Technology, and Plant Science. These areas reflect a multidisciplinary approach to understanding ecosystem functions and nutrient transformations.

Tokuchi's main research topics include:

  • Soil and Water Nutrient Dynamics
  • Soil Carbon and Nitrogen Dynamics
  • Hydrology and Watershed Management Studies
  • Peatlands and Wetlands Ecology
  • Microbial Community Ecology and Physiology
  • Ecology and Vegetation Dynamics Studies
  • Conservation, Biodiversity, and Resource Management

Their publications are frequently found in specific academic venues, indicating consistent contribution to these journals. Frequent publication venues include:

  • Ecological Research
  • Biogeochemistry
  • Journal of Environmental Conservation Engineering
  • Soil Biology and Biochemistry
  • Plant and Soil

Some recent papers authored or co-authored by Tokuchi include:

  • "Nitrate reductase activities in plants from different ecological and taxonomic groups grown in Japan", 2020, Ecological Research
  • "Linkage of fine and coarse litter traits to soil microbial characteristics and nitrogen mineralization across topographic positions in a temperate natural forest", 2020, Plant and Soil
  • "Volcanic deposits affect soil nitrogen dynamics and fungal-bacterial dominance in temperate forests", 2020, Soil Biology and Biochemistry
  • "Traditional knowledge on shifting cultivation of local communities in Bago Mountains, Myanmar", 2020, Journal of Forest Research
  • "Environmental factors regulating stream nitrate concentrations at baseflow condition in a large region encompassing a climatic gradient", 2021, Hydrological Processes

Tokuchi has collaborated frequently with other researchers, indicating an active role in research networks. Frequent co-authors include:

  • Soyoka Makino
  • Tomohiro Yokobe
  • Fujio Hyodo
  • Ryunosuke Tateno
  • Yukio Komai

Best Publications

  • Early stage litter decomposition across biomes

    Ika Djukic;Sebastian Kepfer-Rojas;Inger Kappel Schmidt;Klaus Steenberg Larsen

  • Comparison of litterfall production and leaf litter decomposition between an exotic black locust plantation and an indigenous oak forest near Yan’an on the Loess Plateau, China

    Ryunosuke Tateno;Naoko Tokuchi;Norikazu Yamanaka;Sheng Du

  • Intermittent denitrification: The application of a 15N natural abundance method to a forested ecosystem

    Keisuke Koba;Naoko Tokuchi;Eitaro Wada;Takuo Nakajima

  • Nematomorph parasites indirectly alter the food web and ecosystem function of streams through behavioural manipulation of their cricket hosts

    Takuya Sato;Tomohiro Egusa;Keitaro Fukushima;Tomoki Oda

  • Natural abundance of nitrogen-15 in a forest soil

    Keisuke Koba;Naoko Tokuchi;Takahito Yoshioka;Erik Alan Hobbie

  • Spatial variability of soil nitrogen transformation patterns along a forest slope in a Cryptomeria japonica D. Don plantation

    Muneto Hirobe;Naoko Tokuchi;Goro Iwatsubo

  • Biogeochemical Influences on the Determination of Water Chemistry in a Temperate Forest Basin: Factors Determining the pH value

    Nobuhito Ohte;Naoko Tokuchi;Masakazu Suzuki

  • Comparative evaluation on nitrogen saturation of forest catchments in Japan and northeastern United States

    Nobuhito Ohte;Myron J. Mitchell;Hideaki Shibata;Naoko Tokuchi

  • Consequence of altered nitrogen cycles in the coupled human and ecological system under changing climate: The need for long-term and site-based research

    Hideaki Shibata;Christina Branquinho;William H. McDowell;Myron J. Mitchell

  • Impacts of moso bamboo (Phyllostachys pubescens) invasion on dry matter and carbon and nitrogen stocks in a broad-leaved secondary forest located in Kyoto, western Japan

    Keitaro Fukushima;Nobuaki Usui;Ryo Ogawa;Naoko Tokuchi

  • Natural 15 N Abundance of Plants and Soil N in a Temperate Coniferous Forest

    Keisuke Koba;Keisuke Koba;Muneto Hirobe;Lina Koyama;Lina Koyama;Ayato Kohzu

  • Nitrogen and phosphorus enrichment and balance in forests colonized by cormorants: Implications of the influence of soil adsorption

    Satoru Hobara;Keisuke Koba;Takashi Osono;Naoko Tokuchi

  • Factors contributing to soil nitrogen mineralization and nitrification rates of forest soils in the Japanese archipelago

    Rieko Urakawa;Nobuhito Ohte;Hideaki Shibata;Kazuo Isobe

  • Mechanism of nitrate loss from a forested catchment following a small-scale, natural disturbance

    Satoru Hobara;Naoko Tokuchi;Nobuhito Ohte;Keisuke Koba

  • Episodic increases in nitrate concentrations in streamwater due to the partial dieback of a pine forest in Japan: runoff generation processes control seasonality

    Nobuhito Ohte;Naoko Tokuchi;Masanori Katsuyama;Satoru Hobara

  • Topographical variations in a plant–soil system along a slope on Mt Ryuoh, Japan

    Naoko Tokuchi;Hiroshi Takeda;Kazuma Yoshida;Goro Iwatsubo

  • Estimation of radioactive 137-cesium transportation by litterfall, stemflow and throughfall in the forests of Fukushima

    Izuki Endo;Nobuhito Ohte;Kohei Iseda;Keitaro Tanoi

  • Potential N2O emissions from leguminous tree plantation soils in the humid tropics

    Seiko Arai;Shigehiro Ishizuka;Seiichi Ohta;Saifuddin Ansori

  • Hydrobiogeochemistry of forest ecosystems in Japan: major themes and research issues

    Nobuhito Ohte;Naoko Tokuchi;Hideaki Shibata;Maki Tsujimura

  • Forest Floor Quality and N Transformations in a Temperate Forest Affected by Avian-Derived N Deposition

    Satoru Hobara;Takashi Osono;Keisuke Koba;Naoko Tokuchi

  • Forest stand structure, composition, and dynamics in 34 sites over Japan

    Masae I. Ishihara;Satoshi N. Suzuki;Masahiro Nakamura;Tsutomu Enoki

  • Biogeochemical nitrogen properties of forest soils in the Japanese archipelago

    Rieko Urakawa;Nobuhito Ohte;Hideaki Shibata;Ryunosuke Tateno

  • Soil Functional Responses to Excess Nitrogen Inputs at Global Scale

    Mark Adams;Phil Ineson;Dan Binkley;Georg Cadisch

Frequent Co-Authors

Nobuhito Ohte
Nobuhito Ohte Kyoto University
Keisuke Koba
Keisuke Koba Kyoto University
Ryunosuke Tateno
Ryunosuke Tateno Kyoto University
Hiroshi Takeda
Hiroshi Takeda Doshisha University
Tsutom Hiura
Tsutom Hiura University of Tokyo
Hideaki Shibata
Hideaki Shibata Hokkaido University
Ichiro Tayasu
Ichiro Tayasu Research Institute for Humanity and Nature
Myron J. Mitchell
Myron J. Mitchell SUNY College of Environmental Science and Forestry
Mark A. Adams
Mark A. Adams University of Sydney
Takashi Osono
Takashi Osono Doshisha University

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