环滇池地区2000-2020年“三生”空间格局演变及其驱动力
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K902

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中国科学院A类战略性先导科技专项“大数据驱动的美丽中国全景评价与决策支持”(XDA19040504)


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

    [目的] 研究环滇池地区“三生”空间格局演变及驱动力,为研究区国土空间优化和滇池保护提供支撑。[方法] 基于环滇池地区2000,2005,2010,2015和2020年5个时期土地利用和社会经济数据,采用空间分析、动态度、转移矩阵、景观格局指数和地理探测器等方法,分析环滇池地区2000—2020年“三生”空间格局演变及驱动力。[结果] ①环滇池地区生态空间和生产空间持续缩减,生活空间逐渐增加;“三生”空间综合动态度波动上升,但生产空间和生态空间单一动态度持续下降;生态空间和生产空间缩减区域与生活空间扩张区域均主要位于滇池周边;官渡区、安宁市和呈贡区“三生”空间变化最为剧烈。②空间转移特征表现为:生态空间和生产空间主要转向生活空间,生活空间主要转向生产空间;生态空间主要来源于生产空间,生产空间主要来源于生态空间,生活空间来源于生产空间和生态空间。③景观格局指数显示,“三生”空间破碎化有所降低,但仍处于较高水平,斑块形状先复杂后简单,凝聚程度先下降后紧实,“三生”空间中斑块呈现均匀化分布趋势,景观多样性增强。④自然地理因素是“三生”空间格局演变的基础性决定条件,社会经济因子是“三生”空间格局演变的直接推动力,政策规划因子是“三生”空间格局演变的间接推动力。[结论] 环滇池地区“三生”空间动态变化显著,空间差异明显,格局演变受到自然地理、社会经济和政策规划因子多重作用。

    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,2021,41(6):265-273,281

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  • 收稿日期:2021-06-25
  • 最后修改日期:2021-08-03
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  • 在线发布日期: 2022-01-06
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