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Evaluation of biodiversity sustained by plantation clearing cycle - comparison of successional seres between natural and planted forests

Research Project

Project/Area Number 16K07800
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Forest science
Research InstitutionMount Fuji Research Institute, Yamanashi Prefectural Government

Principal Investigator

Atsushi Ohwaki  山梨県富士山科学研究所, その他部局等, 研究員 (40539516)

Co-Investigator(Kenkyū-buntansha) 北原 正彦  山梨県富士山科学研究所, その他部局等, 研究員 (70342962)
岸本 年郎  ふじのくに地球環境史ミュージアム, 学芸課, 教授 (70728229)
中野 隆志  山梨県富士山科学研究所, その他部局等, 研究員 (90342964)
Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2016: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords林業 / 植林地 / 生物多様性 / 草原 / 伐採地 / 昆虫 / 植物 / 生態系管理 / 若い植林地 / チョウ / 遷移 / 複数分類群 / 林業サイクル
Outline of Final Research Achievements

To reveal what extent of biodiversity planted forests harbor, we compared diversities of many taxa, plants, butterflies, ground beetles and spiders, rove beetles, longicorn beetles and Ichneumonid wasps in the seres between planted (1-7 years' young to old planted forests) and natural forests (grasslands to old natural forests).
Plant and butterfly diversities increased with increasing light conditions in both old planted and natural forests. While grasslands should be conserved with the highest priority, young plantations were suitable habitats for some endangered plants and butterflies. For ground beetles and spiders, although grasslands and natural forests have some characteristic species, young and old planted forests harbored a comparable number of species to natural habitats. Although data on other taxa were insufficient, our findings indicated that appropriate management of planted forests contributed to conserving biodiversity, including some endangered grassland species.

Academic Significance and Societal Importance of the Research Achievements

これまで、単一の針葉樹からなることが多い植林地は生物多様性を保全する上でマイナスの点が強調されてきた。しかし、老齢植林地だけでなく、植林後間もない若い植林地も調査した本研究は、若い植林地が絶滅危惧の草原性植物やチョウ類の生息環境になっていることを示した。草原は現在の日本で最も危機的な生態系の一つであるため、林業を活性化させて若い植林地を定期的に作り出すことは生物多様性の保全につながる、という林業に対してポジティブなメッセージを本研究から発することができる。このことは、学術的に軽視されてきた若い植林地の意義や、生物多様性の保全という観点から林業の新たな社会的意義を発見した点で重要である。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (11 results)

All 2019 2018 2017

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 2 results) Presentation (7 results) (of which Invited: 1 results)

  • [Journal Article] Evaluating forest clear-cuts as alternative grassland habitats for plants and butterflies2018

    • Author(s)
      Ohwaki A, Koyanagi TF, Maeda S
    • Journal Title

      Forest Ecology and Management

      Volume: 430 Pages: 337-345

    • DOI

      10.1016/j.foreco.2018.08.032

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] How should we view temperate semi-natural grasslands? Insights from butterflies in Japan2018

    • Author(s)
      Ohwaki A
    • Journal Title

      Global Ecology and Conservation

      Volume: 16 Pages: e00482-e00482

    • DOI

      10.1016/j.gecco.2018.e00482

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] The role of linear mown firebreaks in conserving butterfly diversity: Effects of adjacent vegetation and management2018

    • Author(s)
      Ohwaki A, Hayami S, Kitahara M, Yasuda T
    • Journal Title

      Entomological Science

      Volume: 21 Issue: 1 Pages: 112-123

    • DOI

      10.1111/ens.12289

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Associations between canopy openness, butterfly resources, butterfly richness and abundance along forest trails in planted and natural forests2017

    • Author(s)
      Ohwaki A, Maeda S, Kitahara M, Nakano T
    • Journal Title

      European Journal of Entomology

      Volume: 114 Pages: 533-545

    • DOI

      10.14411/eje.2017.068

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] 草原を考える新たな視点:チョウからみた草原生態系の保全の意義2019

    • Author(s)
      大脇淳
    • Organizer
      第15回チョウ類の保全を考える集い
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] 草原性チョウ類は本来遷移初期の種ではない2019

    • Author(s)
      大脇淳
    • Organizer
      第66回日本生態学会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 日本産チョウ類の種特性から見た草原の起源と特徴2018

    • Author(s)
      大脇淳
    • Organizer
      第20回日本進化学会大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 放棄草原と火入れ草原のチョウ群集の違い2018

    • Author(s)
      大脇淳
    • Organizer
      日本昆虫学会第78回大会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 草原の代替生息地としての植林伐採地の可能性‐植物とチョウの視点から‐2018

    • Author(s)
      大脇淳,小柳知代,前田沙希
    • Organizer
      第65回日本生態学会
    • Related Report
      2017 Research-status Report
  • [Presentation] 明るい林道は植林地と天然林のチョウの多様性を高める2017

    • Author(s)
      大脇淳・前田沙希・北原正彦・中野隆志
    • Organizer
      第64回日本生態学会
    • Place of Presentation
      東京
    • Year and Date
      2017-03-14
    • Related Report
      2016 Research-status Report
  • [Presentation] 林業サイクルが保持する生物多様性‐地表性節足動物による評価‐2017

    • Author(s)
      大脇淳,谷川明男,岸本年郎,前田沙希,北原正彦
    • Organizer
      第77回日本昆虫学会
    • Related Report
      2017 Research-status Report

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Published: 2016-04-21   Modified: 2020-03-30  

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