Changes in the livestock grazing system in the Hulunber grassland, northern Inner Mongolia
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概要
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Studies during the summers of 1996-1998, indicated that the grazing forms and land use types in the Hulunber grassland have changed due to various social changes in recent decades. Grazing forms found in the area were: year-round nomadic; seasonal nomadic; and settled grazing. Land use types found in Holobo and Kerlun, the two villages in the grassland were: 1) free-grazing land; 2) nomadic summering land; 3) land for nomadic wintering and mowing; 4) mowing land; and 5) unused land. Free-grazing land was used for both settled and nomadic grazing by villagers and nomads. Settled grazing was uncommon in nomadic land due to local common rules. Land use types differed in proportion between Holobo, which is closer to cities in the east part, and Kerlun, which is far from cities in the west part of the Hulunber grassland. No lands exclusively used for mowing were available in Kerlun, while no unused lands and no nomadic wintering and mowing lands were available in Holobo. Nomadic land was larger in Kerlun (43%) than in Holobo (25%). No nomads stayed in free-grazing lands in winter and spring in Holobo. Livestock, which were raised in the two villages, consisted of sheep, goats, cattle, horses, and camels. In Holobo, the settled grazing livestock density (sheep units/km^2) was 267.2/km^2, which was 2.4 times higher than by nomadic grazing (109.2/km^2), while in Kerlun the nomadic grazing livestock density was 57.7/km^2, which was 1.5 times higher than by the settled grazing (39.4/km^2).
- 野生生物保護学会の論文
著者
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Shi Kun
Wildlife Conservation Department Of Ecoregion Science Faculty Of Agriculture Tokyo University Of Agr
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Maruyama Naoki
Wildlife Conservation Department Of Ecoregion Science Faculty Of Agriculture Tokyo University Of Agr
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Maruyama Naoki
Wildlife Conservation Department Of Ecoregion Science Faculty Of Agriculture Tokyo University Of Agr
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Maruyama Naoki
Wildlife Conservation Department Of Ecoregion Science Faculty Of Agriculture Tokyo Noko University
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