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RESPONSES OF FOREST SYSTEMS TO CLIMATIC FLUCTUATIONS IN YAKUSHIMA ISLAND,SOUTHERN JAPAN

Research Project

Project/Area Number 06304003
Research Category

Grant-in-Aid for Co-operative Research (A)

Allocation TypeSingle-year Grants
Research Field 生態
Research InstitutionCHIBA UNIVERSITY

Principal Investigator

OHSAWA Masahiko  Faculty of Science, Chiba University, Professor, 理学部, 教授 (80092477)

Co-Investigator(Kenkyū-buntansha) TAKADA Takenori  Hokkaido Tokai University, 助教授 (80206755)
TERASHIMA Ichiro  Biology Department, Tsukuba University, 生物科学系, 助教授 (40211388)
KOHYAMA Takashi  Graduate School of Environmental Earth Science, Hokkaido University, 環境科学研究科, 教授 (60178233)
YAMAMOTO Hiroshi  Faculty of Science, Kagoshima University, Assistant Professor, 理学部, 助手 (60244224)
MATSUMOTO Atsushi  Graduate School of Science, University of Tokyo, Associate Professor, 理学系研究科, 講師 (80165894)
NIIYAMA Kaoru  Kyushu Branch, Forestry and Forest Products Research Institute
EGUCHI Takashi  Faculty of Arts, Kochi University (30263966)
TAKENAKA Akio  National Institute of Environmental Studies (00188202)
Project Period (FY) 1994 – 1995
Project Status Completed (Fiscal Year 1995)
Budget Amount *help
¥12,500,000 (Direct Cost: ¥12,500,000)
Fiscal Year 1995: ¥5,700,000 (Direct Cost: ¥5,700,000)
Fiscal Year 1994: ¥6,800,000 (Direct Cost: ¥6,800,000)
Keywordslandslides / typhoon / vegetation pattern / population dynamics / shoot phenology / leaf type / succession / canopy access system / 台風撹乱 / 植生の推移行列 / 亜熱帯暖温帯多雨林 / 照葉樹林 / 林冠 / 台風被害 / 地形傾度 / 土壌分布 / 生理生態特性 / 林木個体群動態
Research Abstract

Forest ecosystem has been subjected to various changes of global or local environment due to natural as well as human induced eco-disturbances. Global changes including climatic fluctuations at various levels affect on function, structure, and eventually species composition of the forest ecosystem. The objective of the present co-operative research was to understand and evaluate responses of forest ecosystem against such external impacts at several different levels from leaf to shoot module, individual, population, community, and landscape, and this must facilitate mechanistic understanding of global change impacts on natural ecosystem. Yakushima Island of southern Japan was selected as study site as it represent typical, natural forest which is regulary influenced by natural disturbances such as typhoon. Typhoon No.13 of 1993, the thirs most powerful typhoon affected Japan since 1945, had strongest wind velocity ever recorded in Yakushima Island. Thus it seriously affected topography … More and vegetation especially on windward south-western side of the island. Surface erosion and land slides frequently occurred due mainly to granitic substratum which was suffered deep weathering. Although landsliding inevitably destroy the forest on it, the forest itself and its component species were relatively resistant against typhoon. Forest vegetation exhibited differentiating pattern against topographical environmental gradients such as soil water and nutrient conditions. Probably the trees are more of less adaptive against strong wind and local soil conditions. Shoot module of such trees were also studied from the viewpoint of matter production and branch autonomy, the results showed that the branch exhibited various levels of autonomy in evergreen broad-leaved tree. Leaf life span, leaf size and some other shoot phenological characteristics were compared at the three different sites of the island. Life span of evergreen leaves were 1 to 5 years and leaf life span changed in parallel with leaf size. Vegetation succession on different substratum indicated habitat preference of pioneer trees and the subsequent differentiation of successional seres. Climatic and geological constraints may act to sort different species assemblages at different sites even within a small island of Yakushima, and further development of this study project may deepen this insight. Less

Report

(3 results)
  • 1995 Annual Research Report   Final Research Report Summary
  • 1994 Annual Research Report
  • Research Products

    (41 results)

All Other

All Publications (41 results)

  • [Publications] Ohsawa, M.: "Latitudinal comparison of altitudinal changes in forest structure, leaf type, and species richness in humid Asia" Vegetatio. 121. 3-10 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Ohsawa, M.: "The montane cloud forest and its gradational changes in southeast Asia" Ecological Studies (Tropical Montane Cloud Forest). 110. 254-265 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Bellingham, P. J., Kohyama, T., & Aiba, S.: "The effects of a typhoon on Japanese warm-temperate rain forests" Ecological Research. (in press). (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Aiba, S. & Kohyama, T.: "Tree species stratification in relation to allometry and demography in a warm-temperate rain forest" Journal of Ecology. (in press). (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Terashima, I. & Hikosaka K.: "Comparative ecophysiology of leaf and canopy photosynthesis" Plant, Cell and Environment. 18. 1111-1128 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Takada, T. & Hara, T.: "The relationship between the transition matrix model and the diffusion model" Journal of Mathematical Biology. 32. 789-807 (1994)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 大沢雅彦(共著): "高地生物学(植物の分布と高度 植物の生態と高度)" 内田老鶴圃, 336 (1996)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] 大沢雅彦(分担): "現代生態学の周辺(湿潤アジアの重直分布帯と植生テンプレート)" 東海大学出版会, 379 (1995)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Ohsawa, M.: "Latitudinal comparison of altitudinal changes in forest structure, leaf type, and species richness in humid monsoon Asia" Vegetatio. 121. 3-10 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Ohsawa, M.: "The montane cloud forest and its gradational changes in southeast Asia. In Hamilton, L.S.et al eds. Tropical Montane Cloud Forests." Ecological Studies, Springer Verlag.110. 254-265 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Oazaki, K.& Ohsawa, M.: "Successional changes of forest pattern along topographical gradients in warm-temperate mixed forests in Mt.Kiyosumi, central Japan" Ecological Research. 10. 223-234 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Billore, S.K., Ohsawa, M., Numata, M., & Okano, S.: "Microbial biomass nitrogen pool in soils from a warm-temperate grassland, and from deciduous and evergreen forests in Chiba, central Japan." Biol Fertil Soils. 19. 124-128 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Sakai, A., Ohsawa, T., & Ohsawa, M.: "Adaptive significance of sprouting of Euptelea polyandra, a deciduous tree growing on steep slopes with shallow soil." Journal of Plant Research. 108. 377-386 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Ohtsuka, T.& Ohsawa, M.: "Accumulation of buried seeds and establishment of ruderal therophytic communities in disturbed habitat, central Japan." Vegetatio. 110. 83-96 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Sakai, A.& Ohsawa, M.: "Topographical pattern of vegetation on a river basin in a warm-temperate hilly region, central Japan" Ecological Research. 9. 269-280 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Bellingham, P.J., Kohyama, T.& Aiba, S.: "The effect of a typhoon on Japanese warm temperate rain forests." Ecological Research. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Aiba, S.& Kohyama, T.: "Tree species stratification in relation to allometry and demography in a warm-temperate rain forest." Journal of Ecology. (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Kohyama, T.& Shigesada N.: "A size-distribution-based model of forest dynamics along a latitudinal environmental gradient." Vegetatio. 121. 117-126 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Turner, I.M., Gong, W.K., Ong, J.E., Bujang, J.S.& Kohyama, T.: "The architecture and allometry of mangrove saplings." Functional Ecology. 9. 205-212 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Kohyama, T.& Grubb, P.J.: "Below-and above-ground allometry of shade-tolerant seedlings in a Japanese warm-temperate rain forest." Functional Ecology. 8. 229-236 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Kohyama, T.: "Size-structure-based models of forest dynamics to interpret population-and community-level mechanisms." Journal of Plant Research. 107. 107-116 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Yamamoto, H.: "Kinematics of mylonitic rocks along the median tectonic line, Akaishi range, central Japan." Journal of Structural Geology. 150. 843-856 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Terashima, I.& Hikosaka K.: "Comparative ecophysiology of leaf and canopy photosynthesis." Plant, Cell and Environment. 18. 1111-1128 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Takada, T.& Hara, T.: "The relationship between the transition matrix model and the diffusion model." Journal of Mathematical Biology. 32. 789-807 (1994)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Takada, T.: "Evolution of semelparous and iteroparous perennial plants : comparison between the density-independent and density dependent dynamics." Journal of Theoretical Biology. 173. 51-60 (1995)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1995 Final Research Report Summary
  • [Publications] Ohsawa, M.: "Latitudinal comparison of altitudinal changes in forest structure. leaf type..and species richness in humid monsoon Asia" Vegetatio. 121. 3-10 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Ozaki, k. & Ohsawa, M.: "Successional change of forest pattern along topographical gradients in warm-temperate mixed forests in Mt Kiyosumi, central Japan" Ecological Research. 10. 223-234 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Yamamoto, H.: "Kinematics of mylonitic rocks along the Median Tectonic Line, Akaishi Range, central Japan" Journal of Structural Geology. 150. 843-856 (1994)

    • Related Report
      1995 Annual Research Report
  • [Publications] Bellingham, P. J., Kohyama, T. Aiba, S: "The effects of a typhoon on Japanese warm temperate rain forests." Ecological Research. (in press). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] Aiba, S. & Kohyama, T.: "Tree species stratification in relation to allometry and demograohy in a warm-temperate rain forest" Journal of Ecology. (in press). (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] Kohyama, T. & Shigesada, N: "A size-distribution-based model of forest dynamics along a latitudinal environmental gradient" Vegetatio. 121. 117-126 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Kohyama, T. & Grubb, P. J.: "Below-and above ground allometry of shade-tolerant seedlings in a Japanese warm-temperate rain forest." Functional Ecology. 8. 229-236 (1994)

    • Related Report
      1995 Annual Research Report
  • [Publications] Kohyama, T.: "Size structure-based models of forest dynamics to interpret population-and community-level mechanisms" Journal of plant Research. 107. 107-116 (1994)

    • Related Report
      1995 Annual Research Report
  • [Publications] Terashima, I. & Hikosaka, K.: "Comparative ecophysiology of leaf and canopy photosynthesis" Plant, Cell and Environment. 18. 1111-1128 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Takada, T. & Hara, T.: "The relationship between the transition matrix model and the diffusion model" J. Math. Biol.32. 789-807 (1994)

    • Related Report
      1995 Annual Research Report
  • [Publications] Takada, T. & Nakashizuka, T.: "Density-dependent demography in a Japanese temperate" (in press).

    • Related Report
      1995 Annual Research Report
  • [Publications] 大沢雅彦ほか: "高地生物学(共著)植物の分布と高度 植物の生態と高度" 内田老鶴圃, 336 (1996)

    • Related Report
      1995 Annual Research Report
  • [Publications] 大沢雅彦ほか: "現代生態学の周辺(分担)湿潤東アジアの植生テンプレート" 東海大学出版会, 379 (1995)

    • Related Report
      1995 Annual Research Report
  • [Publications] Ohsawa,M.: "Latitudinal comparison of a altitudinal changes in forest structure leaf type, and species richness in humid monsoon Asia" Vegetatio. (in press). (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] Kohyama,T.& Shigesada N.: "A size-distribution-based model of forest dynamics along a latitudinal enviromental gradient" Vegetatio. (in press). (1995)

    • Related Report
      1994 Annual Research Report
  • [Publications] Ishibashi,M.& Terashima,I.: "Effects of continuous leaf wetness on photosynthesis: adverse aspects of rainfall" Plant,Cell and Environment. (in press). (1995)

    • Related Report
      1994 Annual Research Report

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Published: 1994-04-01   Modified: 2016-04-21  

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