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Affiliation |
Faculty of Agriculture Department of Forest and Environmental Sciences |
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Title |
Associate Professor |
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External Link |
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HIRATA Ryoko
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Papers 【 display / non-display 】
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ヒノキ壮齢過密林分における間伐方法の違いが直径成長に与える影響 Reviewed
溝口拓朗, 伊藤 哲, 平田令子, 山岸 極, 光田 靖
森林立地 66 ( 1 ) 2024.5
Language：Japanese Publishing type：Research paper (scientific journal)
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スギ特定母樹の中苗活用による下刈り省略の可能性 Reviewed
伊藤 哲・平 田 令 子・山 岸 極・溝 口 拓 朗 ・山 川 博 美
日本森林学会誌 105 245 - 251 2023.7
Language：Japanese Publishing type：Research paper (scientific journal)
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Tanaka S., Ito S., Hirata R., Yamagishi K., Mizokuchi T., Yamagawa H., Nomiya H.
Forests 14 ( 7 ) 2023.7
Language：English Publishing type：Research paper (scientific journal) Publisher：Forests
We examined the effectiveness of partial leaf removal for alleviating transplant shock and reducing the risk of stem tilting in large-rooted cuttings of container-grown sugi (Cryptomeria japonica) with high shoot:root ratios. Different intensities of leaf removal (0%, 25%, 50% and 75%) were applied to large sugi rooted cuttings immediately after outplanting, and the stomatal conductance (gs), growth, and degree of stem incline (DSI) during the first growing season were compared to short-rooted cuttings. The 75% removal treatment was associated with high gs values (ca. 1.7–3.0 times of the other treatments) in the early stage of plantation establishment indicating the alleviation of water stress; however, this advantage disappeared within three months after planting. The stems with lower defoliation rates (i.e., 0% and 25%) tended to have large DSI values (about twice those of the 50% and 75% treatments) at an early stage of plantation establishment; however, this effect had almost disappeared within three months. The change in the DSI values and the height-to-diameter ratio (H/D) demonstrated that stem tilting was closely related to a high stem slenderness. The results of the present study showed that the effect of leaf removal on the alleviation of transplant shock and stem tilting was limited. Conversely, both stem elongation and diameter growth tended to be delayed at higher defoliation rates (27%–38% declines in elongation rate and 69%–30% declines in diameter growth compared to the 0% leaf removal treatment, respectively) due to the loss of photosynthetic organs. The large initial H/D also decreased the elongation rate immediately after planting. We consider that it would be better to reduce the initial H/D at the production of the cuttings before outplanting, rather than reducing the risk of stem tilting by leaf removal at the time of outplanting.
DOI： 10.3390/f14071394
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スギ植栽木に対するススキ型および落葉広葉樹型競合植生の被圧効果の違い Reviewed
原谷日菜,伊藤 哲, 中山葉月, 山岸 極, 山川博美, 溝口拓朗, 平田令子
日本森林学会誌 105 ( 5 ) 147 - 153 2023.5
Authorship：Last author Language：Japanese Publishing type：Research paper (scientific journal)
DOI： 10.4005/jjfs.105.147
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煮沸によるマテバシイ堅果の発芽・発根能力消失実験およびカケスによる堅果の持ち去り試験 Reviewed
西 鈴音,平田令子,伊藤 哲
九州森林研究 76 107 - 110 2023.3
Language：Japanese Publishing type：Research paper (scientific journal)
Books 【 display / non-display 】
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景観生態学
日本景観生態学会 編（ Role： Contributor）
共立出版 2022.3
Language：Japanese Book type：Textbook, survey, introduction
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低コスト再造林への挑戦：一貫作業システム・コンテナ苗と下刈り省力化
中村松三, 伊藤 哲, 山川博美, 平田令子（ Role： Joint editor）
日本林業調査会 2019.6
Total pages：169 Language：Japanese Book type：Scholarly book
MISC 【 display / non-display 】
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ニホンノウサギの生態と排糞行動に関する調査 Invited Reviewed
中川恵翔，平田令子
森林技術 982 26 - 29 2024.2
Authorship：Corresponding author Language：Japanese Publishing type：Rapid communication, short report, research note, etc. (scientific journal)
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種子が鳥に運ばれる距離は長い？ Invited
平田令子,平尾多聞
照葉樹林だより 58 2 - 3 2021.3
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (other) Publisher：一般社団法人てるはの森の会
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スギ低コスト再造林の先進地九州における下刈り省略研究の動向―第71回九州森林学会大会造林部門 下刈りセッションの記録―
山川博美，伊藤哲，平田令子
森林科学 ( 77 ) 47 - 49 2016.6
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (other)
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ナラ枯れとカシノナガキクイムシについて
平田令子
照葉樹林だより 44 2 - 3 2015.12
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (other) Publisher：てるはの森の会
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種子の散布距離は鳥の体の中で決まる？
平田令子
BIRDER 29 ( 12 ) 26 - 27 2015.12
Language：Japanese Publishing type：Article, review, commentary, editorial, etc. (other) Publisher：文一総合出版
Presentations 【 display / non-display 】
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Effective allocation design of riparian buffer strips in plantation forest landscapes for controlling sediment discharge from logged forests in southern Japan International conference
Ito Satoshi, Mizokuchi Takuro, Yamagishi Kiwamu, Mitsuda Yasushi, Hirata Ryoko
The 10th IALE World Congress (IALE2019) (Milano, Italy) IALE
Event date： 2019.7.1 - 2019.7.5
Language：English Presentation type：Oral presentation (general)
Venue：Milano, Italy
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Conceptual patterns of movement by birds between habitat patches in forest landscape International conference
Ryoko Hirata, Satoshi Ito, Yasushi Mitsuda
The 10th IALE World Congress (IALE2019) (Milano, Italy) IALE
Event date： 2019.7.1 - 2019.7.5
Language：English Presentation type：Poster presentation
Venue：Milano, Italy
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Effects of soil moisture and light intensity on plant species diversity around forest edges in Indonesia
Yasa Palaguna Umar, Satoshi Ito, Yasushi Mitsuda, Ryoko Hirata, Tsuyoshi Kajisa
第130回日本森林学会大会 (新潟) 日本森林学会
Event date： 2019.3.22
Language：English Presentation type：Poster presentation
Venue：新潟
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宮崎県のシカ移入初期におけるスギ植栽苗への被害
平田令子, 佐藤真惟子, 伊藤 哲, 高木正博
第130回日本森林学会大会 (新潟) 日本森林学会
Event date： 2019.3.22
Language：Japanese Presentation type：Poster presentation
Venue：新潟
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無下刈り処理下におけるスギ挿し木コンテナ中苗の初期成長
小田 樹, 平田令子, 伊藤 哲, 山川博美, 山下義治, 古川浩児
第130回日本森林学会大会 (新潟) 日本森林学会
Event date： 2019.3.22
Language：Japanese Presentation type：Poster presentation
Venue：新潟
Awards 【 display / non-display 】
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The 10th East Asian Federation of Ecological Societies (EAFES) Poster Award
2023.7 東アジア生態学連合
Nishi Suzunei, Hirata Ryoko, Ito Satoshi
Award type：Award from international society, conference, symposium, etc. Country：Korea, Republic of
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The 10th East Asian Federation of Ecological Societies (EAFES) Poster Award
2023.7 東アジア生態学連合
Hata Jusi, Ito Satoshi, Hirata Ryoko, Oyama Hiroyuki, Takagi Chihiro
Award type：Award from international society, conference, symposium, etc. Country：Korea, Republic of
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令和二年度宮崎大学女性研究者奨励賞
2021.3 宮崎大学
平田令子
Country：Japan
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九州森林学会賞
2020.10 九州森林学会 低コスト再造林に関する育苗および下刈り省略技術の実証的および理論的研究
平田令子
Award type：Award from Japanese society, conference, symposium, etc. Country：Japan
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第128回日本森林学会大会学生ポスター賞
2017.3 日本森林学会
古里和輝, 平田令子,伊藤哲
Award type：Award from Japanese society, conference, symposium, etc. Country：Japan
Grant-in-Aid for Scientific Research 【 display / non-display 】
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「やってはいけない森林施業」を明らかにするアセスメント
Grant number：26660128 2014.04 - 2016.03
科学研究費補助金 挑戦的萌芽研究
Authorship：Coinvestigator(s)
これまでの森林施業研究の失敗例のレビューに基づき、既往研究の成果を実際の森林管理に活かすための「選択許容範囲」を提示することを目的とする。
Available Technology 【 display / non-display 】
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森林樹木の獣害・病害虫防除に関する研究
針葉樹人工林の広葉樹林化に関する研究
スギ・ヒノキの低コスト再造林に関する研究Home Page： 森林緑地環境科学科
Related fields where technical consultation is available：・野生動物や昆虫による森林被害の防除
・低コスト再造林