Identification and Optimization of Ecological Network in Ludian County based on MSPA and MCR Models
WANG Jing
YANG Jianxin
NIAN Feiran
Abstract：An integrated coupling approach was employed to construct and optimize the ecological network in Ludian County.The morphological spatial pattern analysis(MSPA)and landscape index method were used to extract the ecological source.Based on the minimum cumulative resistance model(MCR)and gravity model,the ecological network of Ludian County was studied to optimize the ecological network of Ludian County by increasing the ecological source,stepping stone and repairing the ecological fault point.The results show that there is no necessary positive correlation between the area of ecological source and the importance of ecological patches.The landscape index method is used to extract 10 core patches with the largest important value of patches according to MSPA as ecological sources,which can reduce the error of directly.Then,the corridor between ecological sources is constructed based on MCR model.The constructed ecological network was optimized by using 22 stepping stones,6 ecological fault points and 5 ecological sources.The optimized ecological network system has 15 ecological sources and 104 ecological corridors,and the network structure and indicators of the corridors have been greatly improved.The research results can provide a basis for the determination and improvement of the ecological network of Ludian County,and make it reasonably adapt to the future urban development and natural environment protection.
Keywords：MSPAMCRlandscape ecologyecological network optimizationlandscape connectivity
Publication Date：2025-06-28
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：9( 27-34,40 )