Evolution and Driving Forces of Ecological-Productive-Living Space Pattern in Dianchi Lake Area During 2000-2020
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    Abstract:

    [Objective] The pattern evolution and driving force of ecological-productive-living spaces in the area around Dianchi Lake was investigated, in order to provide scientific basis for the optimization of land space and the protection of Dianchi Lake in the study area.[Methods] Based on the land use and social economic data in 2000, 2005, 2010, 2015 and 2020 in the area around Dianchi Lake, the spatial analysis, dynamic degree, transfer matrix, landscape pattern index and geographical detector were used to analyze the pattern evolutions and driving forces of ecological-productive-living spaces in the area around Dianchi Lake from 2000 to 2020.[Results] ① The ecological space and productive space around Dianchi Lake continued to shrink, and the living space gradually increased. The comprehensive dynamic degree of ecological-productive-living space fluctuated, but the single dynamic degree of production space and ecological space continued to decline. The reduction of ecological and production space area and the expansion of living space area were mainly located around Dianchi Lake. Guandu District, Anning City and Chenggong District had the most drastic changes in ecological-productive-living space. ② The characteristics of spatial transfer were as follows:ecological space and production space mainly were converted to living space, and living space mainly to production space. On the other hand, the ecological space mainly transferred from the productive space, the production space mainly from the ecological space, and the living space mainly from the production space and the ecological space. ③ The landscape pattern index showed that the fragmentation of ecological-productive-living space decreased, but it was still at a high level. The patch shape was first complex and then simple, and the degree of cohesion decreased first and then compacted. The patches in ecological-productive-living space showed a trend of uniform distribution, and the landscape diversity increased. ④ The physical and geographical factors were the basic determinants of the evolution of ecological-productive-living spatial pattern, the socio-economic factors were the direct driving forces, and the policy planning factor was the indirect driving force.[Conclusion] The spatial dynamic change of ecological-productive-living space in the area around Dianchi Lake is significant and the spatial difference was obvious. The pattern evolution is affected by multiple factors such as physical geography, social economy and policy planning.

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王柱莲,王平,支林蛟.环滇池地区2000-2020年“三生”空间格局演变及其驱动力[J].水土保持通报英文版,2021,41(6):265-273,281

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History
  • Received:June 25,2021
  • Revised:August 03,2021
  • Adopted:
  • Online: January 06,2022
  • Published: