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HINOKIDANI Kou Assistant Professor |
Employment Record in Research 【 display / non-display 】
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Tokyo University of Agriculture Faculty of International Agriculture and Food Studies Department of International Agricultural Development Assistant Professor
2021.04
External Career 【 display / non-display 】
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Tokyo University of Agriculture Faculty of Regional Environment Science Postdoctoral Researcher
2020.04 - 2021.03
Professional Memberships 【 display / non-display 】
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The Japanese Association for Arid Land Studies
2020.04
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The Ecological Society of Japan
2019.11
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Japan Society for Mangroves
2016.12
Research Areas 【 display / non-display 】
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Environmental Science/Agriculture Science / Social-ecological systems
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Life Science / Ecology and environment
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Life Science / Forest science
Research Interests 【 display / non-display 】
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Nutrient cycle
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Nutrient
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Mangrove
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Seagrass
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Coral Reef
Papers 【 display / non-display 】
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Land-use Imprints on Leaf Nitrogen Stable Isotope Ratio in Ishigaki Mangroves, Japan Reviewed International coauthorship International journal
Ferdouse Zaman Tanu; Yasuhiro Asakura; Satoshi Takahashi; Ko Hinokidani; Azizul Hakim; Yasuhiro Nakanishi
EnvironmentAsia 17 ( 1 ) 29 - 40 2024.01
Language：English Publishing type：Research paper (scientific journal)
DOI： 10.14456/ea.2024.3
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An Assessment of Mangrove Ecosystem Condition by Foliar Stable Nitrogen Isotope Ratio Index in Okinawa, Japan Reviewed International coauthorship International journal
Ferdouse Zaman Tanu; Ko Hinokidani; Yasuhiro Asakura; Satoshi Takahashi; Yasuhiro Nakanishi
International Journal of Plant & Soil Science 35 ( 22 ) 893 - 907 2023.12
Language：English
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Freshwater Uptake of Mangrove Growing in an Extremely Arid Area Reviewed
Yasuhiro Asakura, Ko Hinokidani, Yasuhiro Nakanishi
Forests 14 ( 2 ) 359 - 359 2023.02
Publishing type：Research paper (scientific journal) Publisher：MDPI AG
This study evaluated the freshwater use of two mangrove species (R. mucronate: Rhizophora mucronata and A. marina: Avicennia marina) growing in a coastal area of Djibouti City and on Moucha Island in Djibouti. We accomplished this by comparing hydrogen and oxygen stable isotope ratios (δ2H and δ18O) in the body water with those of creek water, soil water, groundwater, and rainwater samples. Line-conditioned excess (lc-excess) was calculated for the δ2H and δ18O values of the groundwater and rainwater samples. Although two regression lines were drawn using the δ2H and δ18O values of the plant body water as well as the environmental water, no significant differences were found, suggesting that the effects of isotope fractionation due to evaporation in all the samples were almost similar. Comparison of lc-excess and δ18O suggested that the body water from the two mangrove species growing on Moucha Is. were strongly influenced by seawater, but contained some freshwater sources other than the seawater, the soil water, and the creek water. It was also found that Avicennia marina growing in the coastal area was strongly influenced by groundwater. The origin of the freshwater absorbed by the mangroves on the island was not clear, but it could be groundwater recharged in a faraway place.
DOI： 10.3390/f14020359
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The characteristics and distribution of deep groundwater in Djibouti Reviewed
Yasuhiro Asakura; Sawahiko Shimada; Ko Hinokidani; Yasuhiro Nakanishi
GEOMATE Journal 24 ( 102 ) 93 - 100 2023.02
Language：English Publishing type：Research paper (scientific journal)
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Profiling of the bioactive compounds from Aloe djiboutiensis in Djibouti Reviewed
Ko Hinokidani, Saida Chideh, Ryuichi Tachibana
Journal of Arid Land Studies 32 ( S ) 43 - 47 2022.12
Books and Other Publications 【 display / non-display 】
Honours, Awards and Prizes 【 display / non-display 】
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優秀発表賞
2018.06 第28回 日本熱帯生態学会年次大会
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Poster Award
2016.07 The 28th International Conference on Polyphenols
Other External Funds 【 display / non-display 】
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Ecological study of tree-climbing crabs in mangrove forests
2021.08 - 2023.03
Private Foundation
Grant type：Competitive
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2019.04 - 2020.02
The Japan Science Society
Grant type：Competitive
Presentations 【 display / non-display 】
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Usability of Cissus rotundifolia as soil ameliorants -Neutralization of alkaline soils and allelopathy-
Kaori Murao, Ko Hinokidani, Kota Kato, Sawahiko Shimada, Yasuhiro Nakashima, Ryuichi Tachibana
The 2022 Annual Meeting The Japanese Association For Arid Land Studies 2022.06
Event date： 2022.06
Language：Japanese Presentation type：Poster presentation
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The Characteristics and Distribution of Deep Ground Water in Djibouti
Yasuhiro Asakura, Sawahiko Shimada, Ko Hinokidani, Yasuhiro Nakanishi
The 2022 Annual Meeting The Japanese Association For Arid Land Studies 2022.06
Event date： 2022.06
Language：English Presentation type：Poster presentation
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Vegetation change in Tokyo's urban forest of Kinuta Park in last 30 years
Shumpei Kamimura, Ko Hinokidani, Sawahiko Shimada
133rd Annual JFS Meeting 2022.03
Event date： 2022.03
Language：Japanese Presentation type：Poster presentation
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Feeding ecology of a tree climbing crab in mangrove ecosystem International conference
Ko Hinokidani
69th Annual Meeting of Ecological Society of Japan 2022.03
Event date： 2022.03
Language：English Presentation type：Poster presentation
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褐虫藻によるポリフェノール鉄錯体の吸収利用について
安田純矢, 檜谷昂, 風見逸喜, 長谷川裕活, 中西康博
第27回 日本マングローブ学会 令和3年度大会 2021.12
Event date： 2021.12
Teaching Experience 【 display / non-display 】
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ファームステイ
Institution：Tokyo University of Agriculture
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熱帯植物生態学
Institution：Tokyo University of Agriculture
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熱帯農業入門
Institution：Tokyo University of Agriculture
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農業開発実習
Institution：Tokyo University of Agriculture
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農業総合実習
Institution：Tokyo University of Agriculture
Committee Memberships 【 display / non-display 】
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The Japanese Association for Arid Land Studies General Affairs
2023.04
Committee type：Academic society
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Japan Society for Mangroves Director
2022.04