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1999 Fiscal Year Final Research Report Summary

Organic Material and Sea-level Change in Mangrove Habitat

Research Project

Project/Area Number 10041125
Research Category

Grant-in-Aid for Scientific Research (A).

Allocation TypeSingle-year Grants
Section一般
Research Field 自然地理学
Research InstitutionTohoku-Gakuin University

Principal Investigator

MIYAGI Toyohiko  Tohoku-Gakuin Univ., Fac. Of Literature, Professor, 文学部, 教授 (00137580)

Co-Investigator(Kenkyū-buntansha) TSUKAWAKI Shinji  Kanazawa Univ., Fac. Of Technology, Assoc. Professor, 工学部, 助教授 (00222133)
MOCHIDA Yukira  Yokohama National Univ. Fac. Of Education, Associate Professor, 教育人間科学部, 助教授 (60133047)
KOMIYAM Akira  Gifu Univ., Fac. Of Agriculture, Professor, 農学部, 教授 (60135184)
AJIKI Kazuhiro  Mie Univ., Fac. Of Human Sci., Assoc. Professor, 人文学部, 助教授 (00231910)
HIRABUKI Yoshihiko  Miyagi Univ. of Educ., Assoc. Professor, 生物学部, 助教授 (50143045)
Project Period (FY) 1998 – 1999
KeywordsMangrove / sea-level change / CO2 sink / Global warming / T / R ratio / Organic material / Vietnam / Thailand
Research Abstract

The former international collaborative research project(1994-1998) had revealed the relationship the change of mangrove habitat and the forest structure and rapid sea-level rise (RSL) by the bi-geomorphological approach. The thresh fold of the velocity fo RSL for the survivability of mangrove ecosystem is estimate to 5mm/yr. In case of the less than 5mm/yr. Mangrove ecosystem can keep the habitat in spite of the great change of forest structure. In such a case the mangrove forest can accumulate organic material. It means that mangrove forest has a role of CO2 sink and that mitigate global warming. This research project has clarified the actual status of mangrove forest for local people, the peat accumulation and decomposition, estimate the above ground biomass and the below surface biomass, estimation of organic material accumulation in the forest floor, relation of mangrove habitat and submarine sedimentation. The field research had carried out in Satun, Khrong Thom, Khanom in Thailand and Can Gio and Camau in Vietnam. The main results are 1) mangrove peat develops only on Rhizophora, Ceriops and Bruguierra habitat, and the material is mainly consists of root. 2) T/R ratio of mangrove amount ot 0.6 to 1.0 which shows the significance of under ground biomass for CO2 sink. 3) The decomposiyion of the ground biomass is very rapid by fungi. 4) The organic material accumulation in last 1,000 years which amounts to 500 to 1,000 t/ha in peaty area and amounts to 250 to 500 t/ha in inorganic area. 5) Conservation of mangrove forest, prohibit the timber cutting and plantation are getting popular recently.

  • Research Products

    (22 results)

All Other

All Publications (22 results)

  • [Publications] Miyagi, T.: "International symposium on mangrove habitat dynamics and sea-level change in relation to the global environmental change"TROPICS. 8-3. 152-154 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Miyagi T., C. Tanavud, P. Pramojanee, K. Fujimoto, Y. Mochida: "Mangrove habitat dynamics and sea-level change-a scenarioand GIS mapping of the changing process of the delta and estuary type mangrove habitat in Southwestern Thailand"TROPICS. 8-3. 179-196 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Miyagi, T. & S. Havanord: "Environmental degradation and reestablishment mangrove ecosystem in Ban Khun Thien area, Thailand- Probability of mangrove plantation and its meaning- The national workshop for mangrove ecosystem and swamp, Hanoi, Vietnam."CRES/ACTMANG. (in press). (1999)

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      「研究成果報告書概要(和文)」より
  • [Publications] Komiyama, A., S. Havanond, W. Srisawatt, Y. Mochida, K. Fujimoto: "Top/root biomass ratio of a secondary mangrove (Ceriops tagal(Perr.)C.B.Rob.) forest."Forest Ecology and Management 5020. 1-8 (2000)

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      「研究成果報告書概要(和文)」より
  • [Publications] Kikuchi T., Y. Mochida, T. Miyagi, K. Fujimoto & S. Tsuda: "Mangrove forests supported by peaty habitats oon several islands in the Western Pacific."TROPICS. 8-3. 197-206 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Mochida, Y., K. Fujimoto, T. Miyagi, S. Ishihara, T. Murofushi, T. Kikuchi & P. Pramjanee: "A phitosociological studey of the mangrove vegetation in the malay peninsula"TROPICS. 8-3. 207-220 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Ajiki, K.: "The human impact on mangrove forests in Southern Thailand-Findings from field survey in Changwat Satun and Krabi-."TROPICS. 8-3. 233-238 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Fujimoto, K., T. Miyagi, T. Murofushi, Y. Mochida, M. Umitsu, H. Adachi & P. Pramojanee: "Mangrove habitat dynamics and Holocene sea-level chenge in the southwestern coast of Thailand"TROPICS. 8-3. 239-256 (1999)

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      「研究成果報告書概要(和文)」より
  • [Publications] Tsukawaki, S., I Asano & T. Kamiya: "Subaqueous sedimentary processes around the mangrove habitats in Khlong Thom and Satun area, South Thailand."TROPICS. 8-3. 291-316 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 宮城豊彦: "熱帯潮間帯、マングローブ域における地形・植生の相互作用"「地形工学セミナー2 水辺環境の保全と地形学」日本地形学連合編. 148-183

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 宮城豊彦: "自然・生態系に対する影響「Data Book of Sea-Level Rise」"Ceter for Global Environmental Research, National Institute for Environmental Studies, Environmental Agency of Japan. 34-35 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S. Baba: "The importance of further research and international cooperation on mangrove ecosystems"TROPICS. 8-3. 155-158 (1999)

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      「研究成果報告書概要(和文)」より
  • [Publications] Mohd Lokman Husain, T. Miyagi, Y. Mochida, K. Fujimoto, T. Murofushi. SSShahbudin Saad & K.K.K.Yaakob: "Sedimentological characteristics of surficial sediments in the Kuala Kemaman Mangroves, Teregganu, Malaysia"TROPICS. 8-3. 267-274 (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] T. Murofushi, F.C.Y. Ciew, Y Hj. Wat, T. Miyagi, Y. Mochida, K. Fujimoto & S. Ishihara: "Mangrove forest dynamics in relation to sediment input at the month of Sematan River, Serawak, Malaysia."TROPICS. 8-3. 275-290 (1999)

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  • [Publications] Hong, P.N.H.H.Tri, & M. S Tuan: "Building up the national strategy for management and conservation of wetlands of Vietnam, stage 1996-2020"Proc. Nat. workshop "Management and sustainable use of natural resources and environment in coastal wetlands". Vietnam. (in press). (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Hong P. N., H.T. San, & P. A Dao: "The role of the mangrove ecosystem in the environment and he life of peoplein coastal mangrove areas."Proc. Nat workshop "Socio Economics status of woman in coastal mangrove areas".. 13-46 (1998)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Tri, H. H. & N. H. Tho: "Community participation in rehabilitation, conservation and management of mangroves coastal zones of the Red river delta"Proc. Nat. workshop "Management and sustainable use of natural resources and environment in coastal wetlands".. (in press). (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Nam, V.N.: "Study on the structure of a natural Avicennia alba community in Can Gio, Ho Chi Minh city"Proc nat. workshop "Management and sustainable use of natural resources and environment in coastal wetlands". Vietnam. (in press). (1999)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] Nam, V. N. & N. D. Quy: "The need for local participation in policy-making and contact allocations for mangrove forest protection in Can Gio"Proc nat. workshop "Management and sustainable use of natural resources and environment in coastal wetlands". Vietnam. (in press). (1999)

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      「研究成果報告書概要(和文)」より
  • [Publications] Matsuda, Y., M.Magi, H. Nanao, M. Kogo, T. Miyagi, N. Kanazawa & D.Kobayashi: "Coastal erosion due to transition of mangrove system"Proc of the 4th Int. Con. On the coastal Environment. (in press). (1999)

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  • [Publications] 馬場繁幸、北村昌三: "国際緑化推進協会"マングローブ植林のための基礎知識-マングローブ林再生のために. 139 (1999)

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  • [Publications] 馬場繁幸: "国際マングローブ生態系協会"海と生きる森-マングローブ林-. 64 (1998)

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      「研究成果報告書概要(和文)」より

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Published: 2001-10-23  

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