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On the Vegetational Change in Fallows at a Hamlet in a Northwestern Region of Malaita, the Solomon Islands
http://hdl.handle.net/10232/15561
http://hdl.handle.net/10232/155616da76bc2-d8bc-42c4-b6a9-73da9ba22003
名前 / ファイル | ライセンス | アクション |
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AN10088628_v12-2_P113-127.pdf (1.6 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-01-22 | |||||
タイトル | ||||||
タイトル言語 | en | |||||
タイトル | On the Vegetational Change in Fallows at a Hamlet in a Northwestern Region of Malaita, the Solomon Islands | |||||
著者 |
中野, 和敬
× 中野, 和敬 |
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言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題言語 | en | |||||
主題Scheme | Other | |||||
主題 | Vegetational change | |||||
キーワード | ||||||
主題言語 | en | |||||
主題Scheme | Other | |||||
主題 | Species composition | |||||
キーワード | ||||||
主題言語 | en | |||||
主題Scheme | Other | |||||
主題 | Fallows | |||||
キーワード | ||||||
主題言語 | en | |||||
主題Scheme | Other | |||||
主題 | Solomon Islands | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
要約(Abstract) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Species compositions of the vegetation in fallows around a hamlet in a northwestern region of Malaita, the Solomon Islands, were quantitatively investigated over time after the abandonment of gardens (swiddens). The study site was situated in a tropical rain forest zone. The secondary succession began prior to the end of harvest activities of the farmers. The initial stage of natural regeneration following abandonment was characterized by very vigorous growth of such pioneer tree species as Euphorbiaceae and Ficus (fig). Within several years after abandonment, secondary forests of an early stage were established in the fallows where they were little disturbed by human activities. Many woody ferns grow there. At a stage of older than 10 years after the abandonment of gardens, the species composition was considered roughly similar to that at the stage several years after abandonment, although the relative value of the number of the pioneer trees of Euphorbiaceae plus Ficus was considerably decreased and both the quantitative indices of the number of tree individuals and the total area of horizontal breast height sections of their trunks in a plot increased. In the "Sanctuary Forest" which is considered to have been kept almost intact for several decades, not a few species of the common big trees in natural forests in the Solomon Islands were found. Both the foregoing quantitative indices there showed distinctly larger values than for the secondary forest of slightly more than 10 years fallow. Because of population pressure and, accordingly, the reduction of fallow periods to several years, the expansion of degraded grasslands or "fernlands" in the northwestern region of Malaita in the considerably near future is predictable despite much rainfall. |
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内容記述言語 | en | |||||
収録雑誌名 |
ja : 南太平洋研究 en : South Pacific Study 巻 12, 号 2, p. 113-127, 発行日 1992-03-16 |
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作成日 | ||||||
日付 | 1992-03-16 | |||||
日付タイプ | Issued | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
ISSN | 09160752 | |||||
NII書誌ID(雑誌) | ||||||
収録物識別子タイプ | NCID | |||||
NC ID | AN10088628 | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NDC | ||||||
主題Scheme | NDC | |||||
主題 | 470 | |||||
公開者・出版者 | ||||||
出版者言語 | ja | |||||
出版者 | 鹿児島大学 | |||||
公開者・出版者 | ||||||
出版者言語 | en | |||||
出版者 | Kagoshima University |