World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
55
Citations
11897
World Ranking
3830
National Ranking
57

Takuro Nunoura publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Takuro Nunoura sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 207 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Takuro Nunoura D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Takuro Nunoura sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 55 D-Index — 61st percentile

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

The last bar groups every scientist with 125 D-Index or more.

Overview

Takuro Nunoura is affiliated with the Japan Agency for Marine-Earth Science and Technology in Japan. Their research spans multiple scientific fields with a focus on Environmental Science, Biochemistry, Genetics and Molecular Biology, and Earth and Planetary Sciences. Within these domains, they have contributed extensively to subfields such as Ecology, Molecular Biology, Environmental Chemistry, Plant Science, and Geophysics.

Nunoura's work covers a range of significant research topics. These include Methane Hydrates and Related Phenomena, Microbial Community Ecology and Physiology, Bacteriophages and Microbial Interactions, Genomics and Phylogenetic Studies, Seismic Imaging and Inversion Techniques, Geological and Geophysical Studies, and Plant Virus Research Studies.

The scientist has published research in various venues, frequently contributing to:

  • Zenodo (CERN European Organization for Nuclear Research)
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Microbes and Environments
  • Nature Microbiology
  • The ISME Journal

Some recent publications include:

  • "Inference and reconstruction of the heimdallarchaeial ancestry of eukaryotes" (2023), Nature
  • "Roadmap for naming uncultivated Archaea and Bacteria" (2020), Nature Microbiology
  • "Pangenomics Analysis Reveals Diversification of Enzyme Families and Niche Specialization in Globally Abundant SAR202 Bacteria" (2020), mBio
  • "Genomes of Thaumarchaeota from deep sea sediments reveal specific adaptations of three independently evolved lineages" (2021), The ISME Journal
  • "Three families of Asgard archaeal viruses identified in metagenome-assembled genomes" (2022), Nature Microbiology

Nunoura has collaborated frequently with several researchers, including:

  • Yoshihiro Takaki
  • Miho Hirai
  • Syun-ichi Urayama
  • Yoshinori Takano
  • P. B. Flemings

Best Publications

  • Asgard archaea illuminate the origin of eukaryotic cellular complexity

    Katarzyna Zaremba-Niedzwiedzka;Eva Fernández Cáceres;Jimmy Hser Wah Saw;Disa Bäckström

  • Cell proliferation at 122°C and isotopically heavy CH4 production by a hyperthermophilic methanogen under high-pressure cultivation

    Ken Takai;Kentaro Nakamura;Tomohiro Toki;Urumu Tsunogai

  • Biogeographical distribution and diversity of microbes in methane hydrate-bearing deep marine sediments on the Pacific Ocean Margin

    Fumio Inagaki;Takuro Nunoura;Satoshi Nakagawa;Andreas Teske

  • Insights into the evolution of Archaea and eukaryotic protein modifier systems revealed by the genome of a novel archaeal group

    Takuro Nunoura;Yoshihiro Takaki;Jungo Kakuta;Shinro Nishi

  • Major role of nitrite-oxidizing bacteria in dark ocean carbon fixation

    Maria G. Pachiadaki;Eva Sintes;Kristin Bergauer;Julia M. Brown

  • Hadal biosphere: Insight into the microbial ecosystem in the deepest ocean on Earth

    Takuro Nunoura;Yoshihiro Takaki;Miho Hirai;Shigeru Shimamura

  • Distribution, phylogenetic diversity and physiological characteristics of epsilon-Proteobacteria in a deep-sea hydrothermal field.

    Satoshi Nakagawa;Ken Takai;Fumio Inagaki;Hisako Hirayama

  • Inference and reconstruction of the heimdallarchaeial ancestry of eukaryotes

    Unknown

  • Enzymatic and Genetic Characterization of Carbon and Energy Metabolisms by Deep-Sea Hydrothermal Chemolithoautotrophic Isolates of Epsilonproteobacteria

    Ken Takai;Barbara J. Campbell;S. Craig Cary;Masae Suzuki

  • A primordial and reversible TCA cycle in a facultatively chemolithoautotrophic thermophile

    Takuro Nunoura;Yoshito Chikaraishi;Yoshito Chikaraishi;Rikihisa Izaki;Takashi Suwa

  • Isolation and phylogenetic diversity of members of previously uncultivated ε-Proteobacteria in deep-sea hydrothermal fields

    Ken Takai;Fumio Inagaki;Satoshi Nakagawa;Hisako Hirayama

  • Microbial community in a sediment-hosted CO2 lake of the southern Okinawa Trough hydrothermal system

    Fumio Inagaki;Marcel M. M. Kuypers;Urumu Tsunogai;Jun-ichiro Ishibashi

  • Variability in microbial community and venting chemistry in a sediment-hosted backarc hydrothermal system: Impacts of subseafloor phase-separation.

    Satoshi Nakagawa;Ken Takai;Fumio Inagaki;Hitoshi Chiba

  • Fungal diversity in deep-sea sediments – the presence of novel fungal groups

    Yuriko Nagano;Takahiko Nagahama;Yuji Hatada;Takuro Nunoura

  • Hydrothermal fluid geochemistry at the Iheya North field in the mid-Okinawa trough: Implication for origin of methane in subseafloor fluid circulation systems

    Shinsuke Kawagucci;Shinsuke Kawagucci;Hitoshi Chiba;Jun Ichiro Ishibashi;Toshiro Yamanaka

  • Roadmap for naming uncultivated Archaea and Bacteria

    Alison E. Murray;John Freudenstein;Simonetta Gribaldo;Roland Hatzenpichler

  • Variability in the microbial communities and hydrothermal fluid chemistry at the newly discovered Mariner hydrothermal field, southern Lau Basin

    Ken Takai;Takuro Nunoura;Jun Ichiro Ishibashi;John Lupton

  • Characterization of C1-metabolizing prokaryotic communities in methane seep habitats at the Kuroshima Knoll, southern Ryukyu Arc, by analyzing pmoA, mmoX, mxaF, mcrA, and 16S rRNA genes.

    Fumio Inagaki;Urumu Tsunogai;Masae Suzuki;Ayako Kosaka

  • Microbial community and geochemical analyses of trans-trench sediments for understanding the roles of hadal environments.

    Satoshi Hiraoka;Miho Hirai;Yohei Matsui;Yohei Matsui;Akiko Makabe

  • Metagenomic analysis of viral communities in (hado)pelagic sediments.

    Mitsuhiro Yoshida;Yoshihiro Takaki;Masamitsu Eitoku;Takuro Nunoura

  • Liquid CO2 venting on the seafloor: Yonaguni Knoll IV hydrothermal system, Okinawa Trough

    Uta Konno;Urumu Tsunogai;Fumiko Nakagawa;Miwako Nakaseama

  • Spatial Distribution of Marine Crenarchaeota Group I in the Vicinity of Deep-Sea Hydrothermal Systems

    Ken Takai;Hanako Oida;Yohey Suzuki;Hisako Hirayama

Frequent Co-Authors

Ken Takai
Ken Takai Japan Agency for Marine-Earth Science and Technology
Koki Horikoshi
Koki Horikoshi Japan Agency for Marine-Earth Science and Technology
Fumio Inagaki
Fumio Inagaki Japan Agency for Marine-Earth Science and Technology
Hiroyuki Imachi
Hiroyuki Imachi Japan Agency for Marine-Earth Science and Technology
Urumu Tsunogai
Urumu Tsunogai Nagoya University
Kenneth H. Nealson
Kenneth H. Nealson University of Southern California
Jun-ichiro Ishibashi
Jun-ichiro Ishibashi Kobe University
Yuichiro Ueno
Yuichiro Ueno Tokyo Institute of Technology
Gerhard J. Herndl
Gerhard J. Herndl University of Vienna
Cinzia Corinaldesi
Cinzia Corinaldesi Marche Polytechnic University

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