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Effect of biomechanical properties of herbage grasses on grazing behaviour of sheep OAK
Devee, Enkhee.
岩手大学大学院連合農学研究科生物環境科学専攻
Ano: 2009 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/2468
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Effects of Cutting and Grazing on Vegetation and Productivity of Shrub-steppe in the Loess Plateau, North-west China OAK
Hongo, Akio; Cheng, Jimin; Ichizen, Nobumasa; Toukura, Yuji; Devee, Enkhee; Akimoto, Masahiro; 本江, 昭夫; 程, 積民; 一前, 宣正; 藤倉, 雄司; デビィ, エンク; 秋本, 正博.
The Loess Plateau, situated in north-west China, has been subjected to degradation of vegetation owing to overgrazing. In order to clarify the effects of grazing and cutting on vegetation and productivity of shrub-steppe, the study was carried out from May in 1989 to October in 1991 in the Pastoral Preserving Zone of Yunwu Mountain. The vegetation was monthly surveyed, and DM weights of dominant species were separately measured. Soil samples were taken at three selected sites and one overgrazed site and these chemical analysis were made. Relative abundance of species was calculated on the base of the total frequency of 7835. Gramineae showed the highest value (26 %), followed by Compositae (24 %) and Leguminosae (12 %). During 3 experimental years, the...
Palavras-chave: Loess Plateau; Overgrazing; Rehabilitation; Shrub-steppe and Stipa; 黄土高原; 過放牧; リハビリ; かん木ステップ; ハネガヤ.
Ano: 2005 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/81
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