[1]HUANG Ling-ling,WANG Ping,LIU Shu-ying,et al.Research for Spatiotemporal Changes of Land Use Structure in Pastoral Area of Gannan[J].Research of Soil and Water Conservation,2013,20(03):226-230,236.
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Research for Spatiotemporal Changes of Land Use Structure in Pastoral Area of Gannan
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
20
Number of periods:
2013 03
Page number:
226-230,236
Column:
Public date:
2013-06-28
- Title:
- Research for Spatiotemporal Changes of Land Use Structure in Pastoral Area of Gannan
- CLC:
- F301.24
- DOI:
- -
- Abstract:
- The spatiotemporal changes of land use structure in pastoral area of Gannan was studied with the method of quantitative analysis based on the changing land use structure data of Gannan Tibetan prefecture from 2001 to 2009. Results showed that grassland and woodland were the main lands in Gannan, accounting for 67.30% and 24.68% of the total area, respectively. Grassland, unused land, traffic land and water body in the counties or cities distributed evenly, while the garden, water conservancy facilities, the other agricultural land and cultivated land distributed unevenly. The other agricultural land and cultivated land in the entire prefecture showed a decreasing trend, grassland and woodland tend to increase, absolute value of intensity index of cultivated land was the largest, absolute value of dynamic degree of water conservancy facilities was the largest, which were 0.497 6% and 45.570 5%, respectively. The change contribution rates of cultivated land, grassland and woodland were more significant, which were 0.481 2, 0.323 9 and 0.143 1, respectively. With respect to the spatial scale, Lintan, Hezuo and Diebu had made great contributions to land use change in Gannan Tibetan Prefecture. The study showed that the policy of returning farmland to forestland and grassland in pastoral area of Gannan was well implemented and had made the remarkable achievements. With the investment being increased, water conservancy facilities, traffic land, land for residential areas and mining have developed rapidly.
- References:
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1900-01-01