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Are small rodents key promoters of ecosystem restoration in harsh environments? : A case study of abandoned croplands on Mongolian grasslands
http://hdl.handle.net/2261/33907
http://hdl.handle.net/2261/33907cd5fb21d-96a7-4f67-8399-6564cfff3e34
名前 / ファイル | ライセンス | アクション |
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arid_env_73_3_364.pdf (123.4 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2010-03-23 | |||||
タイトル | ||||||
タイトル | Are small rodents key promoters of ecosystem restoration in harsh environments? : A case study of abandoned croplands on Mongolian grasslands | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Ecosystem engineer | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Elymus chinensis | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Mongolian gerbil | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Plant litter | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Recovery | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Soil crust | |||||
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 |
Yoshihara, Y.
× Yoshihara, Y.× Okuroa, T.× Jamsranb, U.× Sasakia, T.× Takeuchia, K. |
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著者所属 | ||||||
著者所属 | School of Agriculture and Life Sciences, The University of Tokyo, 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 | We focused on the potential contribution of fossorial rodents to recovery of degraded abandoned Mongolian croplands. From field observations and the literature, we determined that plant litter and soil crusting were the main factors preventing establishment or growth of the perennial grass Elymus chinensis (Poaceae) on these croplands. We hypothesized that small fossorial rodents such as Mongolian gerbils promote grass establishment and growth by clearing litter and destroying crusts. We designed a path model linking number of burrows to patch size and plant volume of E. chinensis. As we hypothesized, small rodents increased the patch size of E. chinensis through reduction of litter cover. However, unexpectedly, we could not find significant effects on E. chinensis via crust thickness. Our results suggest that litter removal by the rodents gave E. chinensis suitable space that was free of competitors; this allowed expansion of the E. chinensis patches. Any effect of soil crusting on plant volume could not be explained simply by the variables we used, probably because some other mechanism, such as temporal variation in the crust, was involved. We demonstrate that small rodents are key agents in the recovery of degraded grasslands. | |||||
書誌情報 |
Journal of arid environments 巻 73, 号 3, p. 364-368, 発行日 2009-03 |
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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.2008.09.017 | |||||
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 |