An inventory of forest relicts in the pastures of Southern Tibet (Xizang AR, China)

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	An inventory of forest relicts in the pastures of Southern Tibet (Xizang AR, China)
	Miehe, Georg ; Miehe, Sabine ; Will, Martin ; Opgenoorth, Lars ; Duo, La ; Dorgeh, Tsering ; Liu, Jianquan
	2008-02-01
发表期刊	PLANT ECOLOGY
卷号	194 期号:2 页码:157-177
文章类型	Article
摘要	An inventory of isolated tree stands surrounded by desert pastures in Southern Tibet (A.R. Xizang, China) revealed more than 50 sites with vigorous trees of Juniperus convallium Rehder & E.H. Wilson and Juniperus tibetica Kom and additional more than 10 records where juniper trees had been destroyed between 1959-1976. The tree stands are not restricted to any specific habitat, and occur within an area stretching 650 km westwards from the current forest border of Southern Tibet. The trees are religious landmarks of the Tibetan Buddhists. The highest trees were found at an elevation of 4,860 m. Vegetation records, rainfall correlations and temperature data collected by local climate stations and successful reforestation trials since 1999 indicate that forest relicts fragmented through human interference could regenerate if current cattle grazing and deforestation practices are halted. The drought line of Juniperus forests in Southern Tibet is approximately 200-250 mm/a. A first pollen diagram from Lhasa shows forest decline associated with the presence of humans since at least 4,600 yr BP. The currently degraded commons developed in the last 600 yr. To date, no findings of remains of ancient forests in the Central Tibetan Highlands of the Changtang have been reported.; An inventory of isolated tree stands surrounded by desert pastures in Southern Tibet (A.R. Xizang, China) revealed more than 50 sites with vigorous trees of Juniperus convallium Rehder & E.H. Wilson and Juniperus tibetica Kom and additional more than 10 records where juniper trees had been destroyed between 1959-1976. The tree stands are not restricted to any specific habitat, and occur within an area stretching 650 km westwards from the current forest border of Southern Tibet. The trees are religious landmarks of the Tibetan Buddhists. The highest trees were found at an elevation of 4,860 m. Vegetation records, rainfall correlations and temperature data collected by local climate stations and successful reforestation trials since 1999 indicate that forest relicts fragmented through human interference could regenerate if current cattle grazing and deforestation practices are halted. The drought line of Juniperus forests in Southern Tibet is approximately 200-250 mm/a. A first pollen diagram from Lhasa shows forest decline associated with the presence of humans since at least 4,600 yr BP. The currently degraded commons developed in the last 600 yr. To date, no findings of remains of ancient forests in the Central Tibetan Highlands of the Changtang have been reported.
关键词	China Environmental Change Forest History Habitat Fragmentation Juniperus Kobresia Tibet
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
学科领域	植物学
关键词[WOS]	CLIMATIC-CHANGE ; HUMAN IMPACT ; PLATEAU ; VEGETATION ; MOUNTAINS ; SCENARIOS
收录类别	SCI
语种	英语
WOS研究方向	Plant Sciences ; Environmental Sciences & Ecology ; Forestry
WOS类目	Plant Sciences ; Ecology ; Forestry
WOS记录号	WOS:000251309200002
引用统计	被引频次：69[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://210.75.249.4/handle/363003/1246
专题	中国科学院西北高原生物研究所
作者单位	1.Univ Marburg, Fac Geog, D-35032 Marburg, Germany 2.Tibet Univ Lhasa, Dept Biol, Lhasa 850000, Xizang, Peoples R China 3.Chinese Acad Sci, NW Inst Plateau Biol, Xining 810001, Qinghai, Peoples R China
推荐引用方式 GB/T 7714	Miehe, Georg,Miehe, Sabine,Will, Martin,et al. An inventory of forest relicts in the pastures of Southern Tibet (Xizang AR, China)[J]. PLANT ECOLOGY,2008,194(2):157-177.
APA	Miehe, Georg.,Miehe, Sabine.,Will, Martin.,Opgenoorth, Lars.,Duo, La.,...&Liu, Jianquan.(2008).An inventory of forest relicts in the pastures of Southern Tibet (Xizang AR, China).PLANT ECOLOGY,194(2),157-177.
MLA	Miehe, Georg,et al."An inventory of forest relicts in the pastures of Southern Tibet (Xizang AR, China)".PLANT ECOLOGY 194.2(2008):157-177.

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