World's Best Scientists 2026 revealed!
Takayoshi Koike

Takayoshi Koike

D-Index & Metrics

Plant Science and Agronomy

D-Index
59
Citations
11926
World Ranking
1279
National Ranking
38

Overview

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Botany
  • Ecosystem

Takayoshi Koike mainly investigates Botany, Photosynthesis, Photosynthetic capacity, Horticulture and Ecology. His studies in Betula platyphylla, Deciduous, Larch, Fagus crenata and Beech are all subfields of Botany research. His research investigates the connection between Deciduous and topics such as Ecological succession that intersect with problems in Broad-leaved tree.

His Chlorophyll fluorescence study, which is part of a larger body of work in Photosynthesis, is frequently linked to Light intensity, bridging the gap between disciplines. His research in Photosynthetic capacity intersects with topics in Shoot, Soil water, Picea glehnii and Transpiration. Takayoshi Koike studies Horticulture, namely Phytotoxicity.

His most cited work include:

  • Leaf Structure and Photosynthetic Performance as Related to the Forest Succession of Deciduous Broad‐Leaved Trees1 (276 citations)
  • Susceptibility to photoinhibition of three deciduous broadleaf tree species with different successional traits raised under various light regimes (147 citations)
  • Mixed-power scaling of whole-plant respiration from seedlings to giant trees (134 citations)

What are the main themes of his work throughout his whole career to date?

Takayoshi Koike mainly focuses on Botany, Photosynthesis, Horticulture, Larch and Agronomy. Many of his studies on Botany apply to Nutrient as well. The study incorporates disciplines such as Chlorophyll and Plant physiology in addition to Photosynthesis.

Takayoshi Koike has researched Horticulture in several fields, including Beech, Fagus crenata, Canopy and Growing season. His work investigates the relationship between Larch and topics such as Soil respiration that intersect with problems in Forestry. Takayoshi Koike has included themes like Soil water and Water content in his Agronomy study.

He most often published in these fields:

  • Botany (55.97%)
  • Photosynthesis (31.06%)
  • Horticulture (29.35%)

What were the highlights of his more recent work (between 2015-2021)?

  • Botany (55.97%)
  • Horticulture (29.35%)
  • Agronomy (17.41%)

In recent papers he was focusing on the following fields of study:

His scientific interests lie mostly in Botany, Horticulture, Agronomy, Photosynthesis and Larch. As part of one scientific family, Takayoshi Koike deals mainly with the area of Botany, narrowing it down to issues related to the Soil type, and often Soil classification. His Horticulture research is multidisciplinary, incorporating elements of Beech, Fagus crenata, Growing season, Photosynthetic capacity and Nutrient.

Many of his research projects under Agronomy are closely connected to Rhizosphere with Rhizosphere, tying the diverse disciplines of science together. His research integrates issues of Canopy, Chlorophyll, Deciduous and Plant physiology in his study of Photosynthesis. The Larch study combines topics in areas such as Taiga and Seedling.

Between 2015 and 2021, his most popular works were:

  • Nitrogen and phosphorus constrain the CO2 fertilization of global plant biomass (62 citations)
  • Climate change accelerates growth of urban trees in metropolises worldwide (55 citations)
  • A Review Study on Past 40 Years of Research on Effects of Tropospheric O3 on Belowground Structure, Functioning, and Processes of Trees: a Linkage with Potential Ecological Implications (50 citations)

In his most recent research, the most cited papers focused on:

  • Ecology
  • Botany
  • Ecosystem

Botany, Agronomy, Japonica, Photosynthesis and Horticulture are his primary areas of study. In the field of Botany, his study on Betula platyphylla, Phytotron and Pioneer species overlaps with subjects such as Volcanic ash and Chemical composition. His Agronomy study integrates concerns from other disciplines, such as Nutrient and Ectomycorrhizae.

His biological study spans a wide range of topics, including Larch, Grazing and Leaf beetle. His Photosynthesis research incorporates themes from Primary production, Acclimatization, Terrestrial ecosystem and Cycling. His studies deal with areas such as Willow, Organic matter, Soil water and Growing season as well as Horticulture.

Best Publications

  • Nitrogen and phosphorus constrain the CO2 fertilization of global plant biomass

    César Terrer;César Terrer;César Terrer;Robert B. Jackson;I. Colin Prentice;I. Colin Prentice;I. Colin Prentice;Trevor F. Keenan;Trevor F. Keenan

  • Leaf Structure and Photosynthetic Performance as Related to the Forest Succession of Deciduous Broad‐Leaved Trees1

    Takayoshi Koike

  • Susceptibility to photoinhibition of three deciduous broadleaf tree species with different successional traits raised under various light regimes

    M. Kitao;T. T. Lei;T. Koike;H. Tobita

  • Crown size and growing space requirement of common tree species in urban centres, parks, and forests

    Hans Pretzsch;Peter Biber;Enno Uhl;Jens Dahlhausen

  • Non-structural carbohydrates in woody plants compared among laboratories.

    Audrey G. Quentin;Audrey G. Quentin;Elizabeth A. Pinkard;Michael G. Ryan;Michael G. Ryan;David T. Tissue

  • Mixed-power scaling of whole-plant respiration from seedlings to giant trees

    S. Mori;K. Yamaji;A. Ishida;S. G. Prokushkin

  • Climate change accelerates growth of urban trees in metropolises worldwide

    Hans Pretzsch;Peter Biber;Enno Uhl;Jens Dahlhausen

  • Leaf morphology and photosynthetic adjustments among deciduous broad-leaved trees within the vertical canopy profile

    Takayoshi Koike;Mitsutoshi Kitao;Yutaka Maruyama;Shigeta Mori

  • Changes in photosynthesis and leaf characteristics with tree height in five dipterocarp species in a tropical rain forest.

    Tanaka Kenzo;Tomoaki Ichie;Yoko Watanabe;Reiji Yoneda

  • Chloroplast DNA phylogeography of Fagus crenata (Fagaceae) in Japan

    N. Fujii;N. Tomaru;K. Okuyama;T. Koike

  • In situ comparison of four approaches to estimating soil CO2 efflux in a northern larch (Larix kaempferi Sarg.) forest

    Naishen Liang;Toshie Nakadai;Takashi Hirano;Laiye Qu

  • Autumn coloring, photosynthetic performance and leaf development of deciduous broad-leaved trees in relation to forest succession.

    T. Koike

  • Causes and Consequences of Variation in Conifer Leaf Life-Span

    Peter B. Reich;Takayoshi Koike;Stith T. Gower;Anna W. Schoettle

  • Does the root to shoot ratio show a hormetic response to stress? An ecological and environmental perspective

    Evgenios Agathokleous;Regina G. Belz;Mitsutoshi Kitao;Takayoshi Koike

  • Variations in leaf β 13 C along a vertical profile of irradiance in a temperate Japanese forest.

    Y. T. Hanba;Shigeta Mori;Thomas T. Lei;Takayoshi Koike

  • Buried charcoal layer and ectomycorrhizae cooperatively promote the growth of Larix gmelinii seedlings

    K. Makoto;Y. Tamai;Y. S. Kim;T. Koike

  • Effects of manganese toxicity on photosynthesis of white birch (Betula platyphylla var. japonica) seedlings

    Mitsutoshi Kitao;Thomas T. Lei;Takayoshi Koike

  • Dynamic carbon dioxide exchange through snowpack by wind-driven mass transfer in a conifer-broadleaf mixed forest in northernmost Japan

    Kentaro Takagi;Mutsumi Nomura;Daitaro Ashiya;Hiroyuki Takahashi

  • Ozone-induced stomatal sluggishness changes carbon and water balance of temperate deciduous forests

    Yasutomo Hoshika;Genki Katata;Makoto Deushi;Makoto Watanabe

  • Effects of deicing salt on the vitality and health of two spruce species, Picea abies Karst., and Picea glehnii Masters planted along roadsides in northern Japan.

    M Kayama;A.M Quoreshi;S Kitaoka;Y Kitahashi

  • A Review Study on Past 40 Years of Research on Effects of Tropospheric O3 on Belowground Structure, Functioning, and Processes of Trees: a Linkage with Potential Ecological Implications

    Eugenios Agathokleous;Costas J. Saitanis;Xiaona Wang;Makoto Watanabe

Frequent Co-Authors

Makoto Watanabe
Makoto Watanabe Tokyo University of Agriculture and Technology
Mitsutoshi Kitao
Mitsutoshi Kitao Forestry and Forest Products Research Institute
Ryo Funada
Ryo Funada Tokyo University of Agriculture and Technology
Kentaro Takagi
Kentaro Takagi Hokkaido University
Hideaki Shibata
Hideaki Shibata Hokkaido University
Elena Paoletti
Elena Paoletti National Research Council (CNR)
Takashi Hirano
Takashi Hirano Hokkaido University
Tsutom Hiura
Tsutom Hiura University of Tokyo
William J. Manning
William J. Manning University of Massachusetts Amherst
Tohru Nakashizuka
Tohru Nakashizuka Tohoku University

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