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Characterizing landscape dynamics of a small catchment under ecological rehabilitation interventions in Northwestern China
Liu, Hu1,2; Zhao, Wen Zhi1,2; Chang, Xue Li3; Zhang, Li Jie1,2; Bin He, Zhi1,2
2009-12-15
Source PublicationLANDSCAPE AND URBAN PLANNING
Volume93Issue:3-4Pages:201-209
AbstractThis study compared both pre- and post-landscape structures of Tongziba Catchment (with an ecological rehabilitation program) with a control catchment (Haichaoba, without such a program), and analyzed landscape dynamics in the key ecological conservation zone of Tongziba Catchment from 1987 to 2005 by using landscape metrics method. We used FRAGSTATS software to calculate landscape matrices and characterize landscape structures. Results showed that prior to the 2000 ecological rehabilitation program, the Tongziba Catchment shared with Haichaoba Catchment much of the land-use history and landscape fragmentation, the treated catchment did not have much more sound landscape features than the untreated one when the program was completed in 2005. During the study period, the landscape dynamics of the key ecological conservation zone of Tongziba Catchment were characterized by significant landscape type conversions from a mixture of sparse and dense, to moderately dense, grassland; landscapes became more fragmented and heterogeneous, patch shapes tended to become regular and simplified. and the landscape diversity was decreasing. The ecological rehabilitation program implemented during 2000-2005, however. transformed sparse and moderately dense grassland, riverbed and floodplain in the area to dense grassland. With the rehabilitation interventions, then, the fragmentation was moderated and the spatial properties of landscape patches tended toward complexity. The conservation program did not exert so evident influence on the landscape dynamics at catchment scale, but positive influences on the landscape dynamics of the key ecological conservation zone really did exist. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.
SubtypeArticle
KeywordRehabilitation Interventions Ecological Conservation Landscape Pattern Dynamics Small Typical Watershed Geographic Information Systems (Gis)
WOS HeadingsScience & Technology ; Social Sciences ; Life Sciences & Biomedicine ; Physical Sciences
WOS Subject ExtendedEnvironmental Sciences & Ecology ; Geography ; Physical Geography ; Urban Studies
WOS KeywordLAND DEGRADATION ; PATTERNS ; HETEROGENEITY ; DISTURBANCE ; MOUNTAINS ; METRICS ; SCALE ; INDEX ; JAPAN ; BASIN
Indexed BySCI ; SSCI
Language英语
WOS SubjectEcology ; Environmental Studies ; Geography ; Geography, Physical ; Urban Studies
WOS IDWOS:000272370600006
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/67934
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhao, Wen Zhi
Affiliation1.Chinese Acad Sci, Key Lab Ecohydrol & River Basin Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
2.Chinese Ecosyst Res Network, Linze Inland River Basin Res Stn, Lanzhou 730000, Peoples R China
3.Ludong Univ, Dept Tourism & Geog, Yantai 264025, Peoples R China
Recommended Citation
GB/T 7714
Liu, Hu,Zhao, Wen Zhi,Chang, Xue Li,et al. Characterizing landscape dynamics of a small catchment under ecological rehabilitation interventions in Northwestern China[J]. LANDSCAPE AND URBAN PLANNING,2009,93(3-4):201-209.
APA Liu, Hu,Zhao, Wen Zhi,Chang, Xue Li,Zhang, Li Jie,&Bin He, Zhi.(2009).Characterizing landscape dynamics of a small catchment under ecological rehabilitation interventions in Northwestern China.LANDSCAPE AND URBAN PLANNING,93(3-4),201-209.
MLA Liu, Hu,et al."Characterizing landscape dynamics of a small catchment under ecological rehabilitation interventions in Northwestern China".LANDSCAPE AND URBAN PLANNING 93.3-4(2009):201-209.
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