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Keisuke Koba

Keisuke Koba

D-Index & Metrics

Environmental Sciences

D-Index
53
Citations
8049
World Ranking
4333
National Ranking
68

Overview

Keisuke Koba is affiliated with Kyoto University in Japan. Their research primarily spans environmental science and agricultural and biological sciences, with a focus on ecology, soil science, plant science, nature and landscape conservation, and environmental chemistry.

Their work addresses several key topics including:

  • Soil Carbon and Nitrogen Dynamics
  • Isotope Analysis in Ecology
  • Peatlands and Wetlands Ecology
  • Soil and Water Nutrient Dynamics
  • Wastewater Treatment and Nitrogen Removal
  • Groundwater and Isotope Geochemistry
  • Plant nutrient uptake and metabolism

Keisuke Koba has contributed to multiple scientific publications. Some recent papers include:

  • Retention of deposited ammonium and nitrate and its impact on the global forest carbon sink, 2022, Nature Communications
  • Multiyear Measurements on Δ17O of Stream Nitrate Indicate High Nitrate Production in a Temperate Forest, 2020, Environmental Science & Technology
  • Mature conifers assimilate nitrate as efficiently as ammonium from soils in four forest plantations, 2020, New Phytologist
  • An internal recycling mechanism between ammonia/ammonium and nitrate driven by ammonia-oxidizing archaea and bacteria (AOA, AOB, and Comammox) and DNRA on Angkor sandstone monuments, 2021, International Biodeterioration & Biodegradation
  • Perspective: sustainability challenges, opportunities and solutions for long-term ecosystem observations, 2023, Philosophical Transactions of the Royal Society B Biological Sciences

Their publications frequently appear in venues such as:

  • Environmental Science & Technology
  • Scientific Reports
  • Ecological Research
  • Zenodo (CERN European Organization for Nuclear Research)
  • Nature Communications

Keisuke Koba has collaborated with various researchers, with frequent co-authors including:

  • Yuji Onishi
  • Keitaro Fukushima
  • Yunting Fang
  • Akiko Makabe
  • Midori Yano

Best Publications

  • Ecological interpretations of nitrogen isotope ratios of terrestrial plants and soils

    Joseph M. Craine;E. N. J. Brookshire;Michael D. Cramer;Niles J. Hasselquist

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

    Takuro Nunoura;Yoshihiro Takaki;Miho Hirai;Shigeru Shimamura

  • Higher diversity and abundance of denitrifying microorganisms in environments than considered previously.

    Wei Wei;Kazuo Isobe;Tomoyasu Nishizawa;Lin Zhu

  • Nitrogen deposition and forest nitrogen cycling along an urban-rural transect in southern China

    Yunting Fang;Yunting Fang;Muneoki Yoh;Keisuke Koba;Weixing Zhu

  • Microbial denitrification dominates nitrate losses from forest ecosystems

    Yunting Fang;Keisuke Koba;Akiko Makabe;Chieko Takahashi

  • Natural 13C and 15N abundance of field‐collected fungi and their ecological implications

    A. Kohzu;T. Yoshioka;T. Ando;M. Takahashi

  • Isotopocule analysis of biologically produced nitrous oxide in various environments

    Sakae Toyoda;Naohiro Yoshida;Keisuke Koba

  • Convergence of soil nitrogen isotopes across global climate gradients

    Joseph M. Craine;Andrew J. Elmore;Lixin Wang;Laurent Augusto

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

    Keisuke Koba;Naoko Tokuchi;Eitaro Wada;Takuo Nakajima

  • Anthropogenic imprints on nitrogen and oxygen isotopic composition of precipitation nitrate in a nitrogen-polluted city in southern China

    Y. T. Fang;Y. T. Fang;K. Koba;X. M. Wang;D. Z. Wen

  • Role of nitrification and denitrification on the nitrous oxide cycle in the eastern tropical North Pacific and Gulf of California

    Hiroaki Yamagishi;Marian B. Westley;Marian B. Westley;Brian N. Popp;Sakae Toyoda

  • Retention of deposited ammonium and nitrate and its impact on the global forest carbon sink

    Unknown

  • Characterization and production and consumption processes of N2O emitted from temperate agricultural soils determined via isotopomer ratio analysis

    Sakae Toyoda;Midori Yano;Sei-ichi Nishimura;Hiroko Akiyama

  • Nitrate is an important nitrogen source for Arctic tundra plants.

    Xue Yan Liu;Xue Yan Liu;Keisuke Koba;Keisuke Koba;Lina A. Koyama;Sarah E. Hobbie

  • WATER UTILIZATION OF NATURAL AND PLANTED TREES IN THE SEMIARID DESERT OF INNER MONGOLIA, CHINA

    Nobuhito Ohte;Keisuke Koba;Ken Yoshikawa;Atsuko Sugimoto

  • Natural abundance of nitrogen-15 in a forest soil

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

  • High abundance of ammonia-oxidizing archaea in acidified subtropical forest soils in southern China after long-term N deposition

    Kazuo Isobe;Keisuke Koba;Yuichi Suwa;Junko Ikutani

  • Stable isotope analyses of precipitation nitrogen sources in Guiyang, southwestern China.

    Xue-Yan Liu;Xue-Yan Liu;Xue-Yan Liu;Hong-Wei Xiao;Hua-Yun Xiao;Wei Song

  • Atmospheric deposition and leaching of nitrogen in Chinese forest ecosystems

    Yunting Fang;Yunting Fang;Per Gundersen;Rolf D. Vogt;Keisuke Koba

  • Nitrogen Fixation in Surface Soils and Vegetation in an Arctic Tundra Watershed: A Key Source of Atmospheric Nitrogen

    Satoru Hobara;Carmody McCalley;Keisuke Koba;Anne E. Giblin

  • Biogeochemistry of nitrous oxide in groundwater in a forested ecosystem elucidated by nitrous oxide isotopomer measurements

    K. Koba;K. Koba;K. Osaka;Y. Tobari;S. Toyoda

  • Natural 13C and 15N abundance of field-collected fungi and their ecological

    A. KOHZUl;T. Yoshioka;T. Ando;M. Takahashi

Frequent Co-Authors

Nobuhito Ohte
Nobuhito Ohte Kyoto University
Yunting Fang
Yunting Fang Chinese Academy of Sciences
Naohiro Yoshida
Naohiro Yoshida Tokyo Institute of Technology
Naoko Tokuchi
Naoko Tokuchi Kyoto University
Ryunosuke Tateno
Ryunosuke Tateno Kyoto University
Cong-Qiang Liu
Cong-Qiang Liu Tianjin University
Jiangming Mo
Jiangming Mo Chinese Academy of Sciences
Toshi Nagata
Toshi Nagata University of Tokyo
Erik A. Hobbie
Erik A. Hobbie University of New Hampshire
Takashi Osono
Takashi Osono Doshisha University

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