干旱区生态环境知识资源中心(Arid): Spatio-temporal characteristics and driving forces of landscape structure changes in the middle reach of the Heihe River Basin from 1990 to 2015

Arid

DOI	10.1007/s10980-019-00801-2
	Spatio-temporal characteristics and driving forces of landscape structure changes in the middle reach of the Heihe River Basin from 1990 to 2015
	Xiao, Feiyan 1,2; Gao, Guangyao 2; Shen, Qin 3; Wang, Xiaofeng 1; Ma, Ying 4; Lu, Yihe 2; Fu, Bojie 2
通讯作者	Gao, Guangyao ; Wang, Xiaofeng
来源期刊	LANDSCAPE ECOLOGY
ISSN	0921-2973
EISSN	1572-9761
出版年	2019
卷号	34 期号:4 页码:755-770
英文摘要	ContextThe oasis, desert-oasis ecotone (DOE) and desert compose the typical landscape structures in arid regions. The detection of landscape structure changes and quantification of the driving forces are vital to sustainable ecosystem management. Previous studies did not integrate the three landscape types, especially considering the role of the DOE, to detect landscape changes.Objectives(1) Detect the spatio-temporal dynamics of the landscape structure in the middle reach of the Heihe River Basin from 1990 to 2015. (2) Identify the key driving factors for landscape structure changes and quantify their contributions.MethodsThe decision tree classification algorithm was combined with visual interpretation to extract oasis, DOE and desert areas. Status and trend indicators, transition matrix and landscape metrics were used to characterize the landscape changes. Redundancy analysis and variation portioning analysis were integrated for quantification of driving forces.ResultsLandscape change was characterized by oasis expansion (+37.21%) via a one-way transition with an unbalanced status. The contraction of DOE (-12.73%) and desert (-8.50%) areas mainly occurred on the periphery of the oasis. The landscape structure changes were mainly driven by the population, river flow and gross domestic product with unique contributions of 35.99, 9.01 and 7.68%, respectively, and a cumulative contribution of 96.64%.ConclusionsThe mutual transformations among landscapes showed distinct spatio-temporal variations. Human activities, especially demographic factors, drove the changes in landscape structure. The development of oasis areas should be controlled within a suitable scale, and the DOE should be protected to maintain the stability of ecosystems in arid regions.
英文关键词	Desert-oasis ecotone Oasis expansion Landscape structure change Human activities Quantitative analysis Arid region
类型	Article
语种	英语
国家	Peoples R China
收录类别	SCI-E
WOS记录号	WOS:000467558400004
WOS关键词	LAND-COVER CHANGES ; ECO-ENVIRONMENT ; OASIS ; XINJIANG ; OASES ; DEGRADATION ; CLIMATE ; CHINA ; GIS
WOS类目	Ecology ; Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向	Environmental Sciences & Ecology ; Physical Geography ; Geology
来源机构	中国科学院地理科学与资源研究所 ; 北京林业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/217494
作者单位	1.Changan Univ, Sch Earth Sci & Resources, Xian 710054, Shaanxi, Peoples R China; 2.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China; 3.Beijing Forestry Univ, State Forestry Adm Key Lab Forest Resources & Env, Beijing 100083, Peoples R China; 4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Xiao, Feiyan,Gao, Guangyao,Shen, Qin,et al. Spatio-temporal characteristics and driving forces of landscape structure changes in the middle reach of the Heihe River Basin from 1990 to 2015[J]. 中国科学院地理科学与资源研究所, 北京林业大学,2019,34(4):755-770.
APA	Xiao, Feiyan.,Gao, Guangyao.,Shen, Qin.,Wang, Xiaofeng.,Ma, Ying.,...&Fu, Bojie.(2019).Spatio-temporal characteristics and driving forces of landscape structure changes in the middle reach of the Heihe River Basin from 1990 to 2015.LANDSCAPE ECOLOGY,34(4),755-770.
MLA	Xiao, Feiyan,et al."Spatio-temporal characteristics and driving forces of landscape structure changes in the middle reach of the Heihe River Basin from 1990 to 2015".LANDSCAPE ECOLOGY 34.4(2019):755-770.