Ecological research on bamboo shoot-harvesting: Responses of bamboo to human disturbances

• Project/Area Number: 26740045
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Environmental and ecological symbiosis
• Research Institution: Kyoto University (2016); Hokkaido University (2014-2015)
• Principal Investigator: Katayama Noboru 京都大学, 生態学研究センター, 研究員 (30646857)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Project Status: Completed (Fiscal Year 2016)
• Budget Amount: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000); Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2015: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
• Keywords: 山菜 / チシマザサ / 補償成長 / 収穫 / 伐採 / 復元速度 / 北方林 / 北海道 / 生態系サービス / 人為的撹乱 / 補償反応 / 生態学 / タケノコ / 森林

Outline of Final Research Achievements

An aim of this study is to give ecological information about effective use of a wild edible plant receiving human disturbances. I carried out two field experiments, focusing on dwarf bamboo (Sasa kurilensis), and found that the productivity of edible bamboo shoots was enhanced after human-harvesting of bamboo shoots. This indicates that over-compensatory growth occurred in the bamboo. On the other hand, the shoot productivity tended to decrease when reaped mature culms. Moreover, another field survey indicated that it might take over 30 years to recover original productivity of the bamboo shoots after the bamboo’s population had received large-scale reaping. From these results, I suggest that we should consider ‘sorts’ and ‘strength’ of anthropogenic disturbance for effective use of the edible bamboo.

Research Products

• [Journal Article] Response of a wild edible plant to human disturbance: harvesting can enhance the subsequent yield of bamboo shoots (2015)
  • Author(s): Noboru Katayama, Osamu Kishida, Rei Sakai, Shintaro Hayakashi, Chikako Miyoshi, Kinya Ito, Aiko Naniwa, Aya Yamaguchi, Katsunori Wada, Shiro Kowata, Yoshinobu Koike, Katsuhiro Tsubakimoto, Kenichi Ohiwa, Hirokazu Sato, Toru Miyazaki, Shinichi Oiwa, Tsubasa Oka, Shinya Kikuchi, 他5名
  • Journal Title: Plos One Volume: 10 Issue: 12 Pages: e0146228-e0146228
  • DOI: 10.1371/journal.pone.0146228
  • NAID: 120005705250
  • Peer Reviewed / Open Access / Acknowledgement Compliant
• [Presentation] 継続的なタケノコの収穫がチシマザサ個体群の状態とタケノコ生産に及ぼす影響 (2017)
  • Author(s): 片山昇、岸田治、高木健太郎
  • Organizer: 第64回日本生態学会大会
  • Place of Presentation: 早稲田大学（東京都）
  • Year and Date: 2017-03-16
• [Presentation] 人為的撹乱に対するタケノコの応答～収穫することで生産性は高まる (2017)
  • Author(s): 片山昇
  • Organizer: 竹林景観ネットワーク第19回研究集会
  • Place of Presentation: 奈良教育大学（奈良市）
  • Year and Date: 2017-01-28
• [Presentation] 補償反応を介した生態系サービスの向上：収穫はその後のタケノコの生産性を高める (2015)
  • Author(s): 片山 昇, 岸田 治, 坂井 励, 伊藤欣也, 早柏慎太郎, 実吉智香子, 浪花愛子, 高橋廣行, 高木健太郎
  • Organizer: 第62回日本生態学会大会
  • Place of Presentation: 鹿児島大学 (鹿児島県鹿児島市)
  • Year and Date: 2015-03-19
• [Presentation] 人為的撹乱に対する山菜の応答～収穫することで翌年のタケノコの生産は増す (2014)
  • Author(s): 片山 昇, 岸田 治, 坂井 励, 伊藤欣也, 早柏慎太郎, 実吉智香子, 浪花愛子, 高橋廣行, 高木健太郎
  • Organizer: 個体群生態学会第30回年次大会
  • Place of Presentation: 筑波大学 (茨城県つくば市)
  • Year and Date: 2014-10-11