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[1]QIN Zibo,XUAN Jin,HUANG Liujing,et al.Ecological Network Construction of Sea-Island City Based on MSPA and MCR Model[J].Research of Soil and Water Conservation,2023,30(02):303-311.[doi:10.13869/j.cnki.rswc.2023.02.052]

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Ecological Network Construction of Sea-Island City Based on MSPA and MCR Model

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 30 Number of periods: 2023 02 Page number: 303-311 Column: Public date: 2023-03-10

Title:: Ecological Network Construction of Sea-Island City Based on MSPA and MCR Model

Author(s):: QIN Zibo, XUAN Jin, HUANG Liujing, LIU Xingzhao; (College of Landscape Architecture, Fujian Agriculture and Forestry University, Fuzhou 350000, China)

Keywords:: ecological network; ecological source; morphological spatial pattern analysis; minimum cumulative resistance model; Pingtan Island

CLC:: X171.4

DOI:: 10.13869/j.cnki.rswc.2023.02.052

Abstract:: In order to solve the ecological environment problems caused by the rapid development, an effective way to balance the development of sea-island city and ecological protection was explored. Taking Pingtan Island in Fujian Province as the study area, we used morphological spatial pattern analysis model(MSPA), minimum cumulative resistance model(MCR)and gravity model to construct the ecological network of Pingtan Island, and the ecological network was optimized by constructing stepping stone patches. The results showed that:(1)the ecological network consisted of 20 important ecological sources and 190 ecological corridors; the important ecological sources mainly distributed in the west and northeast, while the ecological corridors less distributed in the central and southern regions;(2)the areas with greater resistance mainly distributed in Pingtan County and the southern and central part of the research area; these areas were almost all built-up areas, which hindered the flow of ecosystem to a large extent, leading to the incomplete ecological network system in the study area;(3)therefore, 8 stepping stone patches were added to supplement the important ecological sources, and 188 ecological corridors were added to optimize the ecological network;(4)after optimization, the connectivity of ecological network was improved, and the network closure index(α index), network connectivity index(β index)and network connectivity index(γ index)were increased by 1.99, 4, and 1.33, respectively. This study can clarify the practice path of building stepping stone in the improvement of ecological network of sea-island cities, provide effective theoretical support for the future ecological planning and urban healthy development of Pingtan Island, and also provide reference for the ecological protection and optimization of other sea-island cities.

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Last Update: 2023-03-10