Author
Abstract
Based on the scientific and technological achievements in the past decade in the Loess Hilly-gully Region and the successful demonstration experience in Yan'an Yangou watershed, we summarize the characteristics of eco-environment restoration pattern based on "building terrace and returning slope farmland to forests and grass". According to the data on land use, slope farmland and the agricultural population in 1999, we calculate the area of new terrace that needs to be built, the area of garden plot that needs to be extended, vegetation restoration area and investment demand in counties (cities, districts). Establishing and using some indicators, such as basic farmland extension indicator, garden plot extension indicator, vegetation restoration index and investment demand density, we conduct type classification and analysis of regional differentiation characteristics in 55 counties (cities, districts). The results show that in the Loess Hilly-gully Region, 69.16×104 hm2 of new terrace needs to be built, 79.2×104 hm2 of economic forests and orchards need to be extended, 541.02×104 hm2 of vegetation needs to be restored, and the total investment demand is 15.82 billion yuan; in terms of geographical distribution, obviously there are two key areas for eco-environment restoration (one is located in the border area between northern Shaanxi and northwestern Shanxi, and the other is located in the eastern Gansu and southern Ningxia area); the classified regional guidance policies should be formulated as soon as possible, and the limited funds should be concentrated in the key areas.
Suggested Citation
Liu, Yanhua & Xu, Yong, 2013.
"Eco-environment Restoration and Regional Differentiation Characteristics Based on "Building Terrace and Returning Slope Farmland to Forests and Grass","
Asian Agricultural Research, USA-China Science and Culture Media Corporation, vol. 5(01), pages 1-7, January.
Handle:
RePEc:ags:asagre:145280
DOI: 10.22004/ag.econ.145280
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