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[1]ZHAO Minmin,ZHOU Lihua,WANG Siyuan.Effects of Ecological Policies on Land Use Types and Ecosystem Service Values in Hobq Desert[J].Research of Soil and Water Conservation,2017,24(02):252-258.

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Effects of Ecological Policies on Land Use Types and Ecosystem Service Values in Hobq Desert

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 24 Number of periods: 2017 02 Page number: 252-258 Column: Public date: 2017-04-28

Title:: Effects of Ecological Policies on Land Use Types and Ecosystem Service Values in Hobq Desert

Author(s):: ZHAO Minmin^1,3, ZHOU Lihua^1,2, WANG Siyuan⁴; 1. Key Laboratory of Desert and Desertification, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China;
2. Technology Strategy Consulting Research Institute, Chinese Academy of Sciences, Beijing 100190, China;
3. University of Chinese Academy of Sciences, Beijing 100049, China;
4. College of Earth Environmental Sciences, Lanzhou University, Lanzhou 730000, China

Keywords:: geography; ecosystem service value; CA-Markov model; land use changes; ecological policies

CLC:: F062.2;F301.2

DOI:: -

Abstract:: To study the effects of ecological policies on land use and ecosystem service values in Hobq Desert, a case study of Hangjinqi, Inner Mongolia Autonomous Region was carried out. The CA-Markov model and the assessment method of ecosystem service value were integrated to predict the land use types and ecosystem service values without implementing ecological policies, then the predicted land use types and ecosystem service values without implementing ecological policies were contrasted with actual conditions with implementing ecological policies. The results showed that compared with the predicted land use types and ecosystem service value without implementing ecological policies, the actual area of farmland decreased 9 500 hm², while the actual area of woodland increased 92 600 hm²; besides, the actual ecosystem service value increased 2.15×10⁹ yuan, among which the actual values of gas regulation function and soil formation and protection function increased 785 million yuan and 759 million yuan, respectively, which made a great sense to the fragile ecosystem of Hangjinqi; furthermore, the actual contribution rate of the woodland increased by 13.41%. Thus, all of the results could demonstrate that implementing ecological policies could optimize the land use structure by decreasing the growth rate of farmland while increasing the growth rate of woodland, meanwhile it could promote the growth of ecosystem service values and ecological restoration process. Nevertheless, after implementing ecological policies there are still some problems to be solved, such as the unbalanced distribution of the benefit of ecological policies and the degradation of water bodies.

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