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A new insight of the role of mangrove swamps in Indonesia

Research Project

Project/Area Number 17H04625
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section海外学術
Research Field Aquatic bioproduction science
Research InstitutionHiroshima University

Principal Investigator

Koike Kazuhiko  広島大学, 統合生命科学研究科(生), 教授 (30265722)

Co-Investigator(Kenkyū-buntansha) 作野 裕司  広島大学, 先進理工系科学研究科(工), 准教授 (20332801)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥15,990,000 (Direct Cost: ¥12,300,000、Indirect Cost: ¥3,690,000)
Fiscal Year 2019: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2018: ¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2017: ¥8,190,000 (Direct Cost: ¥6,300,000、Indirect Cost: ¥1,890,000)
Keywordsマングローブ / 水産 / インドネシア / 食物連鎖 / マングローブ底質 / 底生珪藻 / 基礎生産 / 底生珪藻類 / 付着珪藻 / セルロース / 海洋生態 / 海洋保全 / 水圏現象 / 水産学 / 沿岸環境 / 微細藻 / 植物プランクトン / 有害プランクトン / リモートセンシング
Outline of Final Research Achievements

To know a cryptic contribution of mangrove forest, microphytobenthos (MPB) florae were investigated at the coast of Java, Indonesia, where deforestation rate has been notable. The flora and its biomass were richest at Situbondo where native forest was conserved, while they were lowest at the site (Banyuwangi) adjacent to shrimp culture ponds. Similar trend was observed at Pang Pang Bay whose east coast was facing to the native forest within the national park, and the west coast was to numerous shrimp ponds. On the east coast, highest and richest MPB biomasses were found which was contrary to those of the west coasts, and such rich MPB was confirmed to be suspended to the water column also, which might contribute overall biological production at the bay.

Academic Significance and Societal Importance of the Research Achievements

世界各地で貴重なマングローブ林が失われつつある。アジアでも最も高いマングローブ林減少率が報告されているインドネシアでは,水産業の振興のためにエビ養殖池が建設され,それに伴ってマングローブ林が失われている。この研究は,マングローブ林が豊かであるほど,底泥上の底生微細藻が豊かで,高密度であることを示し,さらにその底生微細藻が沿岸域全体に広がることによって,海域全体の食物連鎖を支えている可能性について言及したものである。この,今まで知られていなかったマングローブ林の役割を社会に発信することで,マングローブ林が海域全体の水産業を支えていることを強調し,マングローブ林の保護につなげたい。

Report

(4 results)
  • 2021 Final Research Report ( PDF )
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • Research Products

    (13 results)

All 2021 2020 2018 2017 Other

All Int'l Joint Research (4 results) Journal Article (2 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 2 results,  Open Access: 1 results) Presentation (7 results) (of which Int'l Joint Research: 6 results,  Invited: 1 results)

  • [Int'l Joint Research] アイルランガ大学(インドネシア)

    • Related Report
      2019 Annual Research Report
  • [Int'l Joint Research] Airlangga University(インドネシア)

    • Related Report
      2018 Annual Research Report
  • [Int'l Joint Research] アイルランガ大学(インドネシア)

    • Related Report
      2017 Annual Research Report
  • [Int'l Joint Research] シンガポール国立大学海洋研究所(シンガポール)

    • Related Report
      2017 Annual Research Report
  • [Journal Article] Reappraisal of cellulase activities in mangrove wetlands resulting from preliminary investigations in East Java, Indonesia.2021

    • Author(s)
      Liu, W., Ayu-Lana-Nafisyah, Koike, K., Matsuoka K
    • Journal Title

      Bulletin of the Osaka Museum of Natural History

      Volume: 75 Pages: 15-27

    • NAID

      120007002755

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Cryptic occurrence of Chattonella marina var. marina in mangrove sediments in Probolinggo, East Java Province, Indonesia2018

    • Author(s)
      Ayu Lana Nafisyah, Endang Dewi Masithah, Kazumi Matsuoka, Mirni Lamid, Mochammad Amin Alamsjah, Shizuka Ohara, Kazuhiko Koike
    • Journal Title

      Fisheries Science

      Volume: 84 Issue: 5 Pages: 877-887

    • DOI

      10.1007/s12562-018-1219-0

    • NAID

      40021650873

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Diversity of benthic diatoms inhabiting on/in the sediment of mangroves in Indonesia2020

    • Author(s)
      Ayu-Lana-Nafishyah, Koike K
    • Organizer
      Ocean Science Meeting, San Diego, USA
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Diversity and environmental tolerance of benthic diatoms2020

    • Author(s)
      Hagiwara A, Ayu-Lana-Nafisyah, Tanaka D, Koike K
    • Organizer
      Ocean Science Meeting, San Diego, USA
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The unique microalgae supporting mangrove swamps: Case of Indonesia2018

    • Author(s)
      Ayu Lana Nafisyah, Endang Dewi Masithah, Kazuhiko Koike
    • Organizer
      Association for Tropical Biology and Conservation 2018
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Zooxanthellae as the foundations of coral reef communities2018

    • Author(s)
      Kazuhiko Koike
    • Organizer
      The 1st International Conference on Fisheries and Marine (InCoFIMS)
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Karenia mikmotoi’s inability adapting to fluctuating light may control their migration to mid-deep layer2018

    • Author(s)
      Yoshihiro Nakajima, Sou Hirae, Toshifumi Yamatogi, Kazuhiko Koike
    • Organizer
      The 18th International Conference on Harmful Algae
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Rapid analysis of nutrient deficiency in red tide forming diatoms, based on a principal of nutrient-induced fluorescence transients (NIFTs)2018

    • Author(s)
      Ryoko Yano, Shizuka Ohara, Kazuhiko Koike
    • Organizer
      The 18th International Conference on Harmful Algae
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Microphytobenthos florae as the "secret garden" covering mangrove sediment2017

    • Author(s)
      Ayu Lana Nafisyah, Endang Dewi Masithah, Annur Ahadi Abdillah, Kazuhiko Koike
    • Organizer
      日本プランクトン学会・日本ベントス学会合同大会
    • Related Report
      2017 Annual Research Report

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Published: 2017-04-28   Modified: 2023-01-30  

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