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	Changes in vegetation and landscape patterns with altered river water-flow in arid west china
	Kong, W.2,4; Sun, O. J.1; Xu, W.2; Chen, Y.3
刊名	Journal of arid environments
	2009-03-01
卷号	73期号:3页码:306-313
关键词	Arid regions Groundwater Hydrology Landscape pattern Tm imagery analysis Tarim river
ISSN号	0140-1963
DOI	10.1016/j.jaridenv.2008.10.003
通讯作者	Sun, o. j.(sunjianx@bjfu.edu.cn)
英文摘要	Landsat tm images of tarim basin in western china for 1986, 1999 and 2004 were analyzed for quantifying the patterns of landscape change relating to changes in water supply. results showed that vegetation area and ndvi mostly decreased from 1986 to 1999, and increased from 1999 to 2004, while changes in desert area displayed an inverse pattern. saline alkali soil showed a tendency of increase from 1999 to 2004. spatially, percentage of vegetation area decreased and percentage of desert area increased with distance from the river in the upper section, while such patterns were not observed for both the middle and the lower sections. landscape displayed a pattern of fragmentation from 1986 to 1999 and integration from 1999 to 2004. shape of vegetation patches tended to become more regular from 1986 to 1999 and more irregular from 1999 to 2004. our results indicated hydrological control of spatio-temporal variations of vegetation and landscape pattern in and regions. water diversion can be effective for raising the local groundwater level and improving plant growth, but its effect is largely restricted to areas adjacent to the water pathway. (c) 2008 elsevier ltd. all rights reserved.
WOS关键词	LOWER REACHES ; TARIM RIVER ; GROUNDWATER LEVEL ; PHYSIOLOGICAL-RESPONSE ; SPECIES-DIVERSITY ; LAND-USE ; SCALE ; COVER ; NDVI ; ECOSYSTEM
WOS研究方向	Environmental Sciences & Ecology
WOS类目	Ecology ; Environmental Sciences
语种	英语
出版者	ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD
WOS记录号	WOS:000263791100009
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2396112
专题	中国科学院大学
通讯作者	Sun, O. J.
作者单位	1.Beijing Forestry Univ, Key Lab Silviculture & Conservat, Minist Educ, Coll Forest Sci, Beijing 100083, Peoples R China 2.Chinese Acad Sci, State Key Lab Vegetat & Environm Change, Inst Bot, Beijing 100093, Peoples R China 3.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China 4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Kong, W.,Sun, O. J.,Xu, W.,et al. Changes in vegetation and landscape patterns with altered river water-flow in arid west china[J]. Journal of arid environments,2009,73(3):306-313.
APA	Kong, W.,Sun, O. J.,Xu, W.,&Chen, Y..(2009).Changes in vegetation and landscape patterns with altered river water-flow in arid west china.Journal of arid environments,73(3),306-313.
MLA	Kong, W.,et al."Changes in vegetation and landscape patterns with altered river water-flow in arid west china".Journal of arid environments 73.3(2009):306-313.

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