Characterization of spatial scaling relationships between vegetation pattern and topography at different directions in Gurbantunggut desert, China
Xie ; Jiangbo ; Liu ; Tong
刊名ECOLOGICAL COMPLEXITY
2010
卷号7期号:2页码:234-242
关键词WAVELET ANALYSIS LANDSCAPE ECOLOGY SEMIARID LANDSCAPES BRITISH-COLUMBIA SOIL-MOISTURE SW SPAIN FOREST DYNAMICS SCALES REPRESENTATION
ISSN号1476-945X
通讯作者Liu, T, Shihezi Univ, Coll Life Sci, Shihezi 832000, Peoples R China
中文摘要Vegetation striped pattern is a common feature in semiarid and arid landscapes, which is seen as mosaics including vegetated and non-vegetated patches. Identifying scales of pattern in ecological systems and referring patterns to multi-scaled processes that create them are ongoing challenges. The aim of this paper is to study the vegetation patterns and their across-scale relationships between the vegetation and anisotropic topography (W-E and N-S) in 12 transects at Gurbantunggut desert. We used wavelet-based across-scale analysis for extracting information on scales of pattern for those transect data, evaluating their inherent structure, and inferring characteristics of the processes that imposed those patterns at across scales. The results show that, in W-E direction, the scales of vegetation pattern (C. ewersmanniana is at the scale 40 m, H. ammodendron, at 35 m) correspond to the dune ridge/dune valley sequences (appearing at distance of 40 m), and vegetation on mesoscale and large scale are significant cross-scale correlation with topography on mesoscale and large scale in all W-E transects. In N-S direction, there is an irregular pattern of vegetation along the N-S irregular topography, and no unified cross-scale relationships between topography and vegetation on different scales in different transects. Moreover, cross-scale correlation analysis between topography and vegetation provides further detail on hierarchical structure and specific scales in space that strongly influenced the larger patterns. Knowledge of the cross-scale relationships between topography and vegetation could lead to better understanding and management of biological resources in that region. (C) 2010 Elsevier B.V. All rights reserved.
学科主题景观生态学
收录类别SCI
公开日期2011-08-19
内容类型期刊论文
源URL[http://ir.xjlas.org/handle/365004/9946]  
专题新疆生态与地理研究所_中国科学院新疆生态与地理研究所(2010年以前数据)
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GB/T 7714
Xie,Jiangbo,Liu,et al. Characterization of spatial scaling relationships between vegetation pattern and topography at different directions in Gurbantunggut desert, China[J]. ECOLOGICAL COMPLEXITY,2010,7(2):234-242.
APA Xie,Jiangbo,Liu,&Tong.(2010).Characterization of spatial scaling relationships between vegetation pattern and topography at different directions in Gurbantunggut desert, China.ECOLOGICAL COMPLEXITY,7(2),234-242.
MLA Xie,et al."Characterization of spatial scaling relationships between vegetation pattern and topography at different directions in Gurbantunggut desert, China".ECOLOGICAL COMPLEXITY 7.2(2010):234-242.
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