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Kyoichi Otsuki

Kyoichi Otsuki

D-Index & Metrics

Environmental Sciences

D-Index
39
Citations
5324
World Ranking
8415
National Ranking
174

Overview

Kyoichi Otsuki is affiliated with Kyushu University in Japan and has contributed extensively to research in environmental science and agricultural and biological sciences. Their work spans numerous subfields, including global and planetary change, soil science, water science and technology, nature and landscape conservation, and plant science.

The scientist's research topics mainly revolve around plant water relations and carbon dynamics, soil erosion and sediment transport, hydrology and watershed management studies, forest ecology and management, hydrology and sediment transport processes, tree-ring climate responses, and tree root and stability studies.

Among their recent published papers are:

  • A global synthesis on the effects of thinning on hydrological processes: Implications for forest management, 2022, Forest Ecology and Management
  • Distinct transpiration characteristics of black locust plantations acclimated to semiarid and subhumid sites in the Loess Plateau, China, 2021, Agricultural Water Management
  • Characterization of dominant factors on evapotranspiration with seasonal soil water changes in two adjacent forests in the semiarid Loess Plateau, 2022, Journal of Hydrology
  • Relationship between Very Fine Root Distribution and Soil Water Content in Pre- and Post-Harvest Areas of Two Coniferous Tree Species, 2020, Forests
  • Stemflow estimation models for Japanese cedar and cypress plantations using common forest inventory data, 2020, Agricultural and Forest Meteorology

Their frequent co-authors include Seonghun Jeong, Norikazu Yamanaka, Sheng Du, Ayumi Katayama, and Masaaki Chiwa. These collaborations reflect an ongoing partnership with researchers contributing to overlapping areas of expertise.

Otsuki has published multiple articles in journals such as Forests, Ecohydrology, Forest Ecology and Management, Agricultural Water Management, and Journal of Hydrology. These venues confirm a consistent focus on environmental and hydrological sciences.

Best Publications

  • Sapflow characteristics and climatic responses in three forest species in the semiarid Loess Plateau region of China

    Sheng Du;Yi Long Wang;Tomonori Kume;Jian Guo Zhang

  • Experimental analysis of moisture dynamics of litter layers: the effects of rainfall conditions and leaf shapes

    Yoshinobu Sato;Tomo'omi Kumagai;Atsushi Kume;Kyoichi Otsuki

  • 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

  • Forest ecohydrological research in the 21st century: what are the critical needs?

    James M. Vose;Ge Sun;Chelcy R. Ford;Michael Bredemeier

  • Transpiration and canopy conductance at two slope positions in a Japanese cedar forest watershed

    Tomo ' omi Kumagai;Makiko Tateishi;Takanori Shimizu;Kyoichi Otsuki

  • A global synthesis on the effects of thinning on hydrological processes: Implications for forest management

    Unknown

  • Sap flow estimates of stand transpiration at two slope positions in a Japanese cedar forest watershed

    Tomo'omi Kumagai;Sayaka Aoki;Takanori Shimizu;Kyoichi Otsuki

  • Effects of tree-to-tree and radial variations on sap flow estimates of transpiration in Japanese cedar

    Tomo ' omi Kumagai;Sayaka Aoki;Hisami Nagasawa;Tetsuya Mabuchi

  • Effect of forest structure on the spatial variation in soil respiration in a Bornean tropical rainforest

    Ayumi Katayama;Tomonori Kume;Hikaru Komatsu;Mizue Ohashi

  • Transport and retention of coarse woody debris in mountain streams: An in situ field experiment of log transport and a field survey of coarse woody debris distribution

    Hirokazu Haga;Tomo'omi Kumagai;Kyoichi Otsuki;Shigeru Ogawa

  • Spatial variations in xylem sap flux density in evergreen oak trees with radial-porous wood: comparisons with anatomical observations

    Makiko Tateishi;Tomo’omi Kumagai;Yasuhiro Utsumi;Toshihiro Umebayashi

  • Sources of error in estimating stand transpiration using allometric relationships between stem diameter and sapwood area for Cryptomeria japonica and Chamaecyparis obtusa

    Tomo ' omi Kumagai;Hisami Nagasawa;Tetsuya Mabuchi;Shigeru Ohsaki

  • Effects of sample size on sap flux-based stand-scale transpiration estimates

    Tomonori Kume;Kenji Tsuruta;Hikaru Komatsu;Tomo'omi Kumagai

  • The effect of converting a native broad-leaved forest to a coniferous plantation forest on annual water yield: A paired-catchment study in northern Japan

    Hikaru Komatsu;Tomonori Kume;Kyoichi Otsuki

  • Azimuthal and radial variations in sap flux density and effects on stand-scale transpiration estimates in a Japanese cedar forest.

    Yoshinori Shinohara;Kenji Tsuruta;Akira Ogura;Fumikazu Noto

  • Spatial variation in sap flow velocity in semiarid region trees: its impact on stand-scale transpiration estimates

    Tomonori Kume;Kyoichi Otsuki;Sheng Du;Norikazu Yamanaka

  • Relationship between annual rainfall and interception ratio for forests across Japan

    Hikaru Komatsu;Yoshinori Shinohara;Tomonori Kume;Kyoichi Otsuki

  • A model to estimate annual forest evapotranspiration in Japan from mean annual temperature

    Hikaru Komatsu;Eiichi Maita;Kyoichi Otsuki

  • Stand-scale transpiration estimates in a Moso bamboo forest: (I) Applicability of sap flux measurements

    Tomonori Kume;Yuka Onozawa;Hikaru Komatsu;Kenji Tsuruta

  • Stand-scale transpiration estimates in a Moso bamboo forest: II. Comparison with coniferous forests

    Hikaru Komatsu;Yuka Onozawa;Tomonori Kume;Kenji Tsuruta

  • Canopy conductance for a Moso bamboo (Phyllostachys pubescens) forest in western Japan

    Hikaru Komatsu;Hikaru Komatsu;Yuka Onozawa;Tomonori Kume;Kenji Tsuruta

  • Impact of stem water storage on diurnal estimates of whole-tree transpiration and canopy conductance from sap flow measurements in Japanese cedar and Japanese cypress trees.

    Tomo'omi Kumagai;Sayaka Aoki;Kyoichi Otsuki;Yasuhiro Utsumi

Frequent Co-Authors

Tomonori Kume
Tomonori Kume Kyushu University
Tomo'omi Kumagai
Tomo'omi Kumagai University of Tokyo
Yuichi Onda
Yuichi Onda University of Tsukuba
Baolin Xue
Baolin Xue Beijing Normal University
Takashi Gomi
Takashi Gomi Nagoya University
Taikan Oki
Taikan Oki University of Tokyo
Masakazu Suzuki
Masakazu Suzuki University of Tokyo
Hiroshi Sakugawa
Hiroshi Sakugawa Hiroshima University
Takeshi Ohta
Takeshi Ohta Nagoya University
Guobin Liu
Guobin Liu Chinese Academy of Sciences

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