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Construction and Optimization of Green Space Ecological Networks in Urban Fringe Areas: A Case Study with the Urban Fringe Area of Tongzhou District in Beijing
Journal of Cleaner Production ( IF 9.7 ) Pub Date : 2020-09-18 , DOI: 10.1016/j.jclepro.2020.124266
Liu Cui , Jia Wang , Lu Sun , Chundong Lv

Rapid urbanization has engendered increased fragmentation of urban green spaces combined with declining green space connectivity. This situation is significant in urban fringe areas wherein rural areas transition to urban spaces. Therefore, it is important to understand how to scientifically and rationally construct green space ecological networks, connect fragmented habitats, and protect biodiversity and regional ecological security. Here, we used geographic information system and remote sensing technology to address the ecological sources via morphological spatial pattern analysis and ecological connectivity index analysis methods. The minimum cost distance method was used to generate a potential corridor. The green space ecological network system of the study area was constructed based on its green space landscape pattern. Qualitative and quantitative analysis provided targeted recommendations for green space ecological network optimization in the study area. The results showed that in the study area, the level of the fragmentation was high. Although the number of urban green space patches was significant, the area of the patches was small. Despite the potential corridor not covering the study area evenly, the optimized green space corridor increased the secondary ecological source area. The network system for green space corridors comprised water corridors, road corridors, and ecological restoration sites.

更新日期:2020-09-20
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