The relationships between vegetation and topography on relatively stable land-surface considering tree regeneration and forest dynamics
| Project/Area Number |
15K01160
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Geography
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| Research Institution | Yokohama National University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
比嘉 基紀 高知大学, 教育研究部自然科学系理学部門, 講師 (60709385)
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| Research Collaborator |
Wakamatsu Nobuhiko
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2017: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Keywords | 地形－植生関係 / 植生分布 / 植生帯境界 / 森林動態 / 維持更新様式 / エゾマツ－トドマツ林 / モミ－イヌブナ林 / アカガシ林 / 更新プロセス / 利尻島 / 函南原生林 / 地形ー植生関係 / 更新パターン |
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| Outline of Final Research Achievements |
In this study, to determine the relationship between vegetation and topography at the forest ecotone, we examined the regeneration patterns of tree species and forest dynamics on the relatively stable sites. Two type forests were found on the distinct ancient lava flows in Rishiri Is., because of the forest dynamics differentiated by surface substrates. The species coexistence in Abies-Fagus forest of Kagitoriyama national forest was considered to be caused by the different regeneration patterns of dominant tree species. We also concluded that the altitudinal variation in stem growth of dominant tree species at Kannami old-growth forest may play an important role in the formation of evergreen-deciduous forest ecotone. These results show that, even on stable sites, environmental conditions induced by topography should control the regeneration processes of tree species, which can significantly influence the relationship between vegetation and topography at the forest ecotone.
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Report
(4 results)
Research Products
(14 results)
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[Journal Article] Scale dependency of two endangered charismatic species as biodiversity surrogates. Biodiversity and Conservation.2016
Author(s)
Higa, M., Yamaura, Y., Senzaki, M., Koizumi, I., Takenaka, T., Masatomi, Y., & Momose, K.
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Journal Title
Biodiversity and Conservation
Volume: 25
Issue: 10
Pages: 1829-1841
DOI
Related Report
Peer Reviewed / Int'l Joint Research
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