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Impacts of ancient manufacture on vegetation during the late Holocene in the Chugoku Mountains, western Japan

Research Project

Project/Area Number 16K01180
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Cultural assets study and museology
Research InstitutionKyoto Prefectural University

Principal Investigator

Sasaki Naoko  京都府立大学, 生命環境科学研究科, 研究員 (50425427)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Fiscal Year 2018: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2017: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2016: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Keywords植生変化 / 植生史 / 半自然草原 / 二次林 / 火事史 / 花粉分析 / 完新世 / 古代製鉄 / 古代製鉄・製塩
Outline of Final Research Achievements

To elucidate impacts of ancient manufacture on vegetation, sediment samples from four sites, OH, OR, TT and YK in the Chugoku Mountains, were analyzed for pollen and charcoal.
Pollen and charcoal records from the TT and YK sites suggest that deciduous oaks forest were changed to Pine forest at ca. 500 cal yr BP after charcoal peak. At the OH site, pollen record shows that open grassland had been maintained after 9000 cal yr BP by fire. Pollen record from the OR site shows that evergreen oaks decreased markedly, and pine, deciduous oaks and grasses were increased after charcoal peak at ca. 1000 cal yr BP.
Many iron-smelting sites, which worked in sixth to eighteenth century, were excavated in the Chugoku Mountains. Based on comparing pollen and charcoal records with archaeological and historical records, it is suggested that decrease of forest resource at least TT, YK and OR sites were caused by manufactures, which consume a large amount of wood such as iron working.

Academic Significance and Societal Importance of the Research Achievements

日本列島においては,約1500年前から人為の影響による二次林化がはじまったとされてきた。しかし,植生改変の開始時期は地域によって異なるはずであり,その地域差を明らかにすることが,列島全域の森林資源利用の歴史を解明するためには不可欠である。中国山地では,6-7世紀以降の製鉄遺跡が発見されている。製鉄は多量の燃料を消費するため,長期にわたる操業は森林資源に多大な負荷を与えたと考えられる。これまでの研究では,年代測定等が不十分なために,生産活動と植生の関係を十分に裏付けられていなかった。本研究の成果は,自然科学的な分析に基づき,中国山地における古代産業が森林資源に与えた影響を明らかにするものである。

Report

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

    (5 results)

All 2018 2017 2016

All Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results) Presentation (3 results) (of which Int'l Joint Research: 1 results) Book (1 results)

  • [Journal Article] イネ科草本植物6種の花粉生産量ー定量的植生復元の基礎資料として2018

    • Author(s)
      和田 周・佐々木尚子・高原 光・杉田真哉
    • Journal Title

      日本花粉学会会誌

      Volume: 63 Pages: 37-51

    • NAID

      40021611352

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] 岡山県蛇ヶ乢湿原周辺における7300年前以降の火事史と植生変遷2018

    • Author(s)
      佐々木尚子・高原 光
    • Organizer
      日本生態学会第65回大会
    • Related Report
      2017 Research-status Report
  • [Presentation] 蒜山大原湿原堆積物の花粉分析からみた3万年前以降の植生変化2017

    • Author(s)
      佐々木尚子・林 竜馬・西本 孝・片岡博行・柴田加奈・高原 光
    • Organizer
      日本生態学会第64回大会
    • Place of Presentation
      早稲田大学早稲田キャンパス
    • Related Report
      2016 Research-status Report
  • [Presentation] Human impacts on vegetation during the late Holocene in the Chugoku Mountains, western Japan2016

    • Author(s)
      Naoko Sasaki, Airi Ikeda, Hikaru Takahara, Ryoma Hayashi, Norio Miyoshi, Takashi Nishimoto
    • Organizer
      14th International Palynological Congress
    • Place of Presentation
      Bahia Othon Palace, Salvador, Bahia, Brazil
    • Related Report
      2016 Research-status Report
    • Int'l Joint Research
  • [Book] 愛媛県越智郡上島町宮ノ浦遺跡III2018

    • Author(s)
      愛媛大学法文学部考古学研究室/愛媛県越智郡上島町教育委員会編
    • Publisher
      愛媛県越智郡上島町教育委員会
    • Related Report
      2017 Research-status Report

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

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