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[1]ZHENG Shu-dan.Study on Suitable Scale of Qiemo Oasis[J].Research of Soil and Water Conservation,2011,18(06):240-244.

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Study on Suitable Scale of Qiemo Oasis

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 18 Number of periods: 2011 06 Page number: 240-244 Column: Public date: 2011-12-20

Title:: Study on Suitable Scale of Qiemo Oasis

Author(s):: ZHENG Shu-dan¹; 1. College of Resources and Environmental Science, Xinjiang University, Key Laboratory of Oasis Ecology, Ministry of Education, Urumqi 830046, China;
2. School of Environment and Spatial Informatics, China University of Mining & Technology, Xuzhou, Jiangsu 221008, China

Keywords:: Qiemo oasis; water and heat balance method; suitable scale

CLC:: F301.24

DOI:: -

Abstract:: Arid plain oasis scale should be identified in terms of the priority of the capacity of water supply, and desertification caused by over-exploitation of land under the situation of water shortages should be prevented in the oasis. The Qiemo oasis appropriate development scale was studied by using mathematical model for oasis scale based on ecological water and heat balance method. The main conclusion are as follows:(1)the stability index of Qiemo oasis is 0.535 8, so the oasis is in the second stable state, the ecological system starts to degenerate, so oasis requires a higher input to keep stable;(2)Qiemo oasis suitable scale is 609.22～812.29 km², suitable cultivated area in Qiemo oasis is 92.66～123.55 km². The existing scale of Qiemo oasis is 992.16 km² which is beyond Qiemo oasis suitable scale 0.2～0.6 times. The existing cultivated area is 150.88 km², which is also beyond suitable cultivated area 0.2～0.6 times. From the view of ecological sustainability, oasis area is unfavorable to expand.

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