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Effects of herbivorous damselfish on recovery of the coral community disturbed by a mass bleaching event

Research Project

Project/Area Number 17K07568
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Ecology/Environment
Research InstitutionEhime University

Principal Investigator

Hata Hiroki  愛媛大学, 理工学研究科(理学系), 准教授 (00510512)

Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2019: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2018: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2017: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywordsサンゴ礁 / 地球温暖化 / サンゴの大規模白化 / 種間競争 / 回復力 / サンゴ大規模白化 / 魚類 / 藻類 / 復元力 / サンゴ群集 / なわばり性スズメダイ / 生物多様性 / 生態学 / 環境 / 動物
Outline of Final Research Achievements

Territorial damselfish, which occupy 11-70% of the coral reef substrate, serve as a keystone species. Due to the rise in seawater temperatures caused by global warming, mass coral bleaching event is frequently occurring on coral reefs around the world. As the coral cover is decreasing and algae are increasing, territorial damselfish grow turf algae that compete with corals and thereby may prevent coral reefs from recovering. In this study, we investigated territorial damselfish in Okinawa, Japan, and showed that damselfish bite corals and extended their territories on live corals, but frequently abandoned their territories. Territorial damselfish defend their territories so intensively that they provide a suitable substrate for coral recruits that serves as a seed population after large-scale disturbance.

Academic Significance and Societal Importance of the Research Achievements

地球温暖化による海水温の上昇で、世界中のサンゴ礁は頻発する大規模撹乱下にある。本研究は、大規模白化からのサンゴ群集の初期再生の過程にスズメダイのなわばりが果たす役割を明らかにすることを目的としている。本研究により、スズメダイのなわばり内が白化の影響を受けやすいサンゴ種の回復のための場所として機能している可能性が示唆された。一方で、2020年4月には、世界最大のサンゴ礁グレートバリアリーフにおいて、はじめて全域でサンゴ白化が確認され、日本のサンゴ礁でも夏季の白化が強く危惧される。今後、さらに度重なる撹乱と、そこからの回復の過程について追跡調査を行い、検証を進める必要性が示された。

Report

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

    (19 results)

All 2019 2018 2017 2016

All Journal Article (11 results) (of which Int'l Joint Research: 3 results,  Peer Reviewed: 11 results,  Open Access: 5 results,  Acknowledgement Compliant: 1 results) Presentation (8 results)

  • [Journal Article] Hybridization between an endangered freshwater fish and an introduced congeneric species and consequent genetic introgression2019

    • Author(s)
      HATA H , UEMURA Y , OUCHI K , MATSUBA H
    • Journal Title

      PLOS ONE

      Volume: 14 Issue: 2 Pages: e0212452-e0212452

    • DOI

      10.1371/journal.pone.0212452

    • Related Report
      2019 Annual Research Report 2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] A comparison of body condition of the yellowstriped butterfish Labracoglossa argenteiventris in relation to parasitism by the cymothoid isopod Ceratothoa arimae2019

    • Author(s)
      Kawanishi R , Kohya N , Sogabe A , Hata H.
    • Journal Title

      Parasitology International

      Volume: 72 Pages: 101932-101932

    • DOI

      10.1016/j.parint.2019.101932

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Specialized movement and laterality of fin-biting behaviour in Genyochoromis mento in Lake Malawi2018

    • Author(s)
      Takeuchi Yuichi、Hata Hiroki、Maruyama Atsushi、Yamada Takuto、Nishikawa Takuma、Fukui Makiko、Zatha Richard、Rusuwa Bosco、Oda Yoichi
    • Journal Title

      The Journal of Experimental Biology

      Volume: 222 Pages: 1-9

    • DOI

      10.1242/jeb.191676

    • Related Report
      2019 Annual Research Report 2018 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Hybridization between two bitterling fish species in their sympatric range and a river where one species is native and the other is introduced2018

    • Author(s)
      Uemura Yohsuke、Yoshimi Shotaro、Hata Hiroki
    • Journal Title

      PLOS ONE

      Volume: 13 Issue: 9 Pages: e0203423-e0203423

    • DOI

      10.1371/journal.pone.0203423

    • Related Report
      2018 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] 高緯度サンゴ群集域におけるコジリサンゴガニ属2種の記録2018

    • Author(s)
      平林勲、畑啓生
    • Journal Title

      南紀生物

      Volume: 60 Pages: 42-47

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Experimental introduction of the endangered freshwater unionid Pronodularia japanensis to spring-fed ponds in Matsuyama, Ehime, Japan2018

    • Author(s)
      吉見 翔太郎、井上 幹生、畑 啓生
    • Journal Title

      Japanese Journal of Conservation Ecology

      Volume: 23 Issue: 1 Pages: 99-114

    • DOI

      10.18960/hozen.23.1_99

    • NAID

      130007418025

    • ISSN
      1342-4327, 2424-1431
    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] 愛媛県松山平野における湧水性水域へのマツカサガイの試験的導入2018

    • Author(s)
      吉見翔太郎、井上幹生、畑啓生
    • Journal Title

      保全生態学研究

      Volume: 印刷中

    • NAID

      130007418025

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Molecular phylogeny of obligate fish-parasites of the family Cymothoidae (Isopoda, Crustacea): Evolution of the attachment mode to host fish and the habitat shift from saline water to freshwater.2017

    • Author(s)
      Hata, H., Sogabe, A., Tada, S., Nishimoto, R., Nakano, R., Kohya, N., Takeshima, H., Kawanishi, R.
    • Journal Title

      Marine Biology

      Volume: 164 Issue: 5 Pages: 105-105

    • DOI

      10.1007/s00227-017-3138-5

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Laterality is Universal Among Fishes but Increasingly Cryptic Among Derived Groups2017

    • Author(s)
      Hori Michio、Nakajima Mifuyu、Hata Hiroki、Yasugi Masaki、Takahashi Satoshi、Nakae Masanori、Yamaoka Kosaku、Kohda Masanori、Kitamura Jyun-ichi、Maehata Masayoshi、Tanaka Hirokazu、Okada Norihiro、Takeuchi Yuichi
    • Journal Title

      Zoological Science

      Volume: 34 Issue: 4 Pages: 267-274

    • DOI

      10.2108/zs160196

    • NAID

      120006402033

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] A Tanganyikan cichlid Neolamprologus mustax selectively exploits territories of another cichlid Variabilichromis moorii due to its inter-individual variation in aggression.2017

    • Author(s)
      Ochi, H., Awata, S., Hata, H., Kohda, M.
    • Journal Title

      Hydrobiologia

      Volume: 791 Issue: 1 Pages: 103-114

    • DOI

      10.1007/s10750-016-2822-7

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Diversification of functional morphology in herbivorous cichlids (Perciformes: Cichlidae) of the tribe Tropheini in Lake Tanganyika2016

    • Author(s)
      Tada, S., Hori, M., Yamaoka, K., Hata, H.
    • Journal Title

      Hydrobiologia

      Volume: in press Issue: 1 Pages: 83-101

    • DOI

      10.1007/s10750-016-2761-3

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] 沖縄県におけるなわばり性藻食スズメダイがサンゴと藻類群落との競争に与える影響2019

    • Author(s)
      高野 翔太, 畑 啓生
    • Organizer
      中国四国地区生物系三学会合同大会
    • Related Report
      2019 Annual Research Report
  • [Presentation] タンガニイカ湖における藻食魚類の機能形態にみられる多様化と局所適応2019

    • Author(s)
      畑 啓生
    • Organizer
      日本生態学会 第66回大会
    • Related Report
      2018 Research-status Report
  • [Presentation] コイ目タナゴ亜科における希少在来種と人為移 入種との交雑と引き起こされた遺伝子浸透2019

    • Author(s)
      植村 洋亮, 大内 魁人, 松葉 成生, 畑 啓生
    • Organizer
      日本生態学会 第66回大会
    • Related Report
      2018 Research-status Report
  • [Presentation] 四国西部・瀬戸内海沿岸河川におけるニホンウ ナギの分布2019

    • Author(s)
      山本 貫太, 三町 壮大, 植村 洋亮, 井上 幹生, 畑 啓生
    • Organizer
      日本生態学会 第66回大会
    • Related Report
      2018 Research-status Report
  • [Presentation] 自然共存域と人為移入由来地域におけるタナゴ亜科2種の交雑2018

    • Author(s)
      植村洋亮,畑啓生
    • Organizer
      日本魚類学会
    • Related Report
      2018 Research-status Report
  • [Presentation] 魚食・鱗食・ヒレ食のシクリッド3種における口部形態の左右差の比較2018

    • Author(s)
      西川巧馬, 丸山敦, 畑啓生, Richard Zatha, Bosco Rusuwa, 小田洋一, 竹内勇一
    • Organizer
      日本生態学会
    • Related Report
      2017 Research-status Report
  • [Presentation] マラウィ湖産ヒレ食シクリッドの捕食行動の左右性2018

    • Author(s)
      竹内勇一, 畑啓生, 丸山敦, 山田拓人, 西川巧馬, Zatha Richard, Rusuwa Bosco, 小田洋一
    • Organizer
      日本生態学会
    • Related Report
      2017 Research-status Report
  • [Presentation] Molecular phylogeny of obligate fish parasites of the family Cymothoidae( Isopoda, Crustacea)2017

    • Author(s)
      Hiroki Hata, Atsushi Sogabe, Ryota Kawanishi, Hirohiko Takeshima
    • Organizer
      10th Indo-Pacific Fish Conference
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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