Basic research on native species plantation for recovery of natural forest ecosystems in Bonin Islands

• Project/Area Number: 15K00625
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Environmental and ecological symbiosis
• Research Institution: Tokyo Metropolitan University
• Principal Investigator: Aikawa Shin-ichi 首都大学東京, 理工学研究科, 客員研究員 (10713943)
• Co-Investigator(Kenkyū-buntansha): 石田 厚 京都大学, 生態学研究センター, 教授 (60343787)
• Co-Investigator(Renkei-kenkyūsha): NAKANO Takashi 山梨県富士山科学研究所, 自然環境研究部, 主幹研究員・部長 (90342964) ; KACHI Naoki 首都大学東京, 理工学研究科, 教授 (30124340)
• Research Collaborator: KONO Yuri 京都大学, 生態学研究センター ; SAIKI Shin-Taro 京都大学, 生態学研究センター ; YOSHIMURA Kenichi 山形大学, 農学研究科, 准教授 ; DANNOURA Masako 京都大学, 農学研究科, 助授 ; YAZAKI Kenichi 国立研究開発法人森林研究・整備機構, 森林総合研究所植物生態研究領域, 主任研究員
• Project Period (FY): 2015-04-01 – 2018-03-31
• Project Status: Completed (Fiscal Year 2017)
• Budget Amount: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000); Fiscal Year 2017: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2016: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000); Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
• Keywords: 生態系修復 / 森林再生 / 脱水ストレス / 乾燥枯死 / 糖欠乏 / 道管の水切れ / 篩部輸送 / 先駆性樹種

Outline of Final Research Achievements

Transplanted trees in two areas with different light environments were observed during 3 years. The survival and growth rates of the transplanted trees was higher under the low light environment. The survival and growth rates in transplanted pioneer trees were lower than in non-pioneer trees, probably because of severe damage in their root systems by transplanting. We investigated the physiological processes of drought-induced tree death　of the pioneer tree. The carbohydrate reserves at the stem bases increased at the beginning of the wilting process because of phloem transport failure, and the reserves decreased at the end of the process. The concentrations of non-structural carbohydrates at the stem bases are a good indicator of tree damage caused by lethal drought. We suggest that nursing of wild pioneer trees is effective for reforestation of bare lands, and the saplings of late-successional trees should be planted under shaded environments caused by the canopies of pioneer trees.

Research Products

• [Int'l Joint Research] ロレーヌ大学(フランス)
• [Journal Article] Pine wilt disease causes cavitation around the resin canals and irrecoverable xylem conduit dysfunction (2018)
  • Author(s): Yazaki Kenichi、Takanashi Takuma、Kanzaki Natsumi、Komatsu Masabumi、Levia Delphis F、Kabeya Daisuke、Tobita Hiroyuki、Kitao Mitsutoshi、Ishida Atsushi
  • Journal Title: Journal of Experimental Botany Volume: 69 Issue: 3 Pages: 589-602
  • DOI: 10.1093/jxb/erx417
  • Peer Reviewed / Int'l Joint Research
• [Journal Article] Estimation of phloem carbon translocation belowground at stand level in a hinoki cypress stand (2018)
  • Author(s): Epron D., Dannoura M., Ishida A., Kosugi Y.
  • Journal Title: Tree Physiology Volume: 00 Issue: 2 Pages: 00-00
  • DOI: 10.1093/treephys/tpy016
  • Peer Reviewed / Open Access / Int'l Joint Research
• [Journal Article] Physiological mechanisms of drought-induced tree die-off in relation to carbon, hydraulic and respiratory stress in a drought-tolerant woody plant (2017)
  • Author(s): Saiki Shin-Taro、Ishida Atsushi、Yoshimura Kenichi、Yazaki Kenichi
  • Journal Title: Scientific Reports Volume: 7 Issue: 1 Pages: 2995-2995
  • DOI: 10.1038/s41598-017-03162-5
  • NAID: 120006309303
  • Peer Reviewed / Open Access
• [Journal Article] The dynamics of carbon stored in xylem sapwood to drought-induced hydraulic stress in mature trees (2016)
  • Author(s): Kenichi Yoshimura, Shintaro Saiki, Kenichi Yazaki, Mayumi Y. Ogasa, Makoto Shirai, Takashi Nakano, Jin Yoshimura, Atsushi Ishida
  • Journal Title: Scientific Reports Volume: 6 Issue: 1 Pages: 24513-24513
  • DOI: 10.1038/srep24513
  • NAID: 120005745660
  • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
• [Journal Article] Overwintering evergreen oaks revers typical relationships between leaf traits in a species spectrum. (2016)
  • Author(s): Harayama H., Ishida A., Yoshimura J.
  • Journal Title: Royal Society Open Science Volume: 3 Issue: 7 Pages: 1-9
  • DOI: 10.1098/rsos.160276
  • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant
• [Presentation] 乾燥後の樹木水分生理機能にみられる履歴効果：強度乾燥から１年経過した父島乾性低木林樹木において (2018)
  • Author(s): 吉村謙一、山形航大、木村芙久、矢崎健一、才木真太朗、丸山温、石田厚
  • Organizer: 日本生態学会第65回全国大会
• [Presentation] ポリアミンによる光合成への寄与とその日変化の種間比較 (2018)
  • Author(s): 松山秦、後藤大也、河田凛、才木真太朗、関川清広、中野隆志、安元剛、神保充、渡部終五、坂田剛、石田厚
  • Organizer: 日本生態学会第65回全国大会
• [Presentation] ウラジロエノキ稚樹の乾燥枯死の生理メカニズム (2017)
  • Author(s): 甲野裕理、才木真太朗、木村芙久、丸山温、吉村謙一、檀浦正子、矢崎健一、相川真一、石田厚
  • Organizer: 第64回日本生態学会大会
  • Place of Presentation: 早稲田大学
  • Year and Date: 2017-03-14
• [Presentation] Phloem function and physiological mechanisms of sapling survival and mortality during drought. (2017)
  • Author(s): Ishida A, Kono Y, Saiki S-T, Yoshimura K.
  • Organizer: 第125回国際森林研究連合（IUFRO）大会
  • Int'l Joint Research
• [Presentation] 小笠原のウラジロエノキ稚樹の乾燥枯死の生理機構 (2016)
  • Author(s): 甲野裕理, 才木真太朗, 吉村謙一, 白井誠, 木村芙久, 丸山温, 松山秦, 矢崎健一, 中野隆志, 相川真一, 石田厚
  • Organizer: 第127回日本森林学会大会
  • Place of Presentation: 神奈川県藤沢市
  • Year and Date: 2016-03-27
• [Presentation] 乾燥による樹木枯死の水分欠損仮説と糖制限仮説の検証 (2016)
  • Author(s): 甲野裕理, 才木真太朗, 吉村謙一, 白井誠, 木村芙久, 丸山温, 松山秦, 矢崎健一, 中野隆志, 相川真一, 石田厚
  • Organizer: 第63回日本生態学会大会
  • Place of Presentation: 宮城県仙台市
  • Year and Date: 2016-03-20