The Influence of Ecological Policies on Changes of Land Use and Ecosystem Service Value in Hangjinqi, Inner Mongolia, China

doi:10.7522/j.issn.1000-694X.2015.00164

JOURNAL OF DESERT RESEARCH ›› 2016, Vol. 36 ›› Issue (3): 842-850.DOI: 10.7522/j.issn.1000-694X.2015.00164

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The Influence of Ecological Policies on Changes of Land Use and Ecosystem Service Value in Hangjinqi, Inner Mongolia, China

Zhao Minmin^1,2, Zhou Lihua¹, Chen Yong¹, Zhang Jishu³, Guo Xiuli^1,4, Wang Rui¹

1. Key Laboratory of Desert and Desertification, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China;
3. Hobq Desert Technology Institute, Ordos 017400, Inner Mongolia, China;
4. Gansu Institute of Political Science and Law, Lanzhou 730070, China

Received:2015-06-05 Revised:2015-07-01 Online:2016-05-20 Published:2016-05-20

Abstract

Abstract: A series of ecological construction policies were carried out in Hangjinqi, Inner Mongolia after 2001. Based on ecosystem service value assessment method, combined with land use data in 1989, 2001 and 2013, land use and ecosystem service value changes before implementing ecological policies(1989-2001)and after implementing ecological policies (2001-2013) were analyzed and compared. The results showed that compared with before implementing ecological policies, land use changed to a larger extent after implementing ecological policies: the area of woodland increased by 128.40×10³ hm², while the figure was just 2.40×10³ hm² before implementing ecological policies, and the area of desert decreased by 72.00×10³ hm², while the figure was just 2.70×10³ hm² before implementing ecological policies. Besides, through implementing ecological policies the rationality of land use changes improved from 60.12% to 72.03%. Along with land use change, the ecosystem service value of soil formation and protection and water conservation increased by 0.42×10⁹ RMB and 0.34×10⁹ RMB respectively, while the figures were just 0.02×10⁹ RMB and 0.22×10⁹ RMB before implementing ecological policies. The total ecosystem service value increased vigorously by 2.38×10⁹ RMB, which was bigger than the figure of before implementing ecological policies (0.56×10⁹ RMB). Above all, implementing ecological policies could optimize land use structure, improve ecosystem service value by increasing the area of vegetation cover while decreasing the area of desert and enhance soil and water conservation capacity. Meanwhile, the study gives some suggestions to deal with the degradation of water and the irrationality of farmland changes after implementing ecological policies.

Key words: ecological policies, land use change, ecosystem service value, Hangjinqi

CLC Number:

P967

Zhao Minmin, Zhou Lihua, Chen Yong, Zhang Jishu, Guo Xiuli, Wang Rui. The Influence of Ecological Policies on Changes of Land Use and Ecosystem Service Value in Hangjinqi, Inner Mongolia, China[J]. JOURNAL OF DESERT RESEARCH, 2016, 36(3): 842-850.

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The Influence of Ecological Policies on Changes of Land Use and Ecosystem Service Value in Hangjinqi, Inner Mongolia, China

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