Journal
CHINESE GEOGRAPHICAL SCIENCE
Volume 16, Issue 3, Pages 236-242Publisher
SPRINGER
DOI: 10.1007/s11769-006-0236-6
Keywords
oasis structure; oasis function; oasis economy; Sangong River watershed
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Funding
- Western Light Related to Eastern Scholar
- National Natural Science Foundation of China [40471134]
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Under the guide of system theory, taking the oasis in the Sangong River watershed as a case study, this paper analyzes the oasis structure and function from 4 aspects including oasis spatial structure, water resources structure, vegetation structure, economic structure and their corresponding functions. The results indicate that as a typical small-scale watershed, Sangong River watershed has the relatively complete mountain-basin structure, and ecological and productive function. Because of human drastic activity the utilization rate of water resources was as high as 98.7%, and the utilization of groundwater was not reasonable, which resulted in an average annual decline of 0.353m in the water table of alluvial-diluvial-fan oasis, and an average annual increase of 0.047m in the alluvial-plain. The layout of crop and shelter forest benefits to the utilization of water and land resources. The development of oasis economy is at low level, and its eco-economic function is weak.
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