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Rainfall variability may modify the effects of long-term exclosure on vegetation in Mandalgobi, Mongolia
http://hdl.handle.net/2261/33391
http://hdl.handle.net/2261/33391c89d6474-1c40-4aa2-b346-e48828fc1cd8
名前 / ファイル | ライセンス | アクション |
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arid_env_73_10_949.pdf (196.5 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-03-12 | |||||
タイトル | ||||||
タイトル | Rainfall variability may modify the effects of long-term exclosure on vegetation in Mandalgobi, Mongolia | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Arid and semi-arid rangelands | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Climatic variation | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Fence-line contrast | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Nonequilibrium dynamics | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Rangeland management | |||||
主題Scheme | Other | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Sasaki, Takehiro
× Sasaki, Takehiro× Okayasu, Tomoo× Ohkuro, Toshiya× Shirato, Yasuhito× Jamsran, Undarmaa× Takeuchi, Kazuhiko |
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著者所属 | ||||||
著者所属 | Department of Ecosystem Studies, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan | |||||
著者所属 | ||||||
著者所属 | National Institute for Agro-Environmental Sciences, Japan | |||||
著者所属 | ||||||
著者所属 | Center for Ecosystem Study, Mongolian State University of Agriculture, Mongolia | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Starting in 2005, we examined differences in vegetation for three consecutive years across an airport fence that separated heavily grazed areas from areas in which grazing had been excluded for 24 years in Mandalgobi, Mongolia. We performed repeated-measures analysis separately on two community types (dominated by Allium polyrrhizum and Achnatherum splendens, respectively) to compare the effects of fencing and year on the cover of different plant functional types. There was a significant fence × year interaction for grass cover in the Allium type (but not the Achnatherum type), due to greater cover of grasses inside the fence only when rainfall was sufficient during the growing season. The effect of grazing exclusion on perennial forb cover was confounded by a significant fence × year interaction in both types. In 2007, perennial forbs were found outside the fence, but had almost disappeared inside the fence, resulting in this interaction. Annual forbs only had much greater cover values inside the fence than outside in 2006, also resulting in a significant fence × year interaction in both community types. This study thus suggests that the high rainfall variability in arid and semi-arid rangelands may modify the effects of long-term exclosure on vegetation. | |||||
書誌情報 |
Journal of arid environments 巻 73, 号 10, p. 949-954, 発行日 2009-10 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0140-1963 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00256892 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1016/j.jaridenv.2009.04.008 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
値 | author | |||||
日本十進分類法 | ||||||
主題 | 290.13 | |||||
主題Scheme | NDC | |||||
日本十進分類法 | ||||||
主題 | 629 | |||||
主題Scheme | NDC | |||||
出版者 | ||||||
出版者 | Elsevier |