基于遥感影像的天津市生态网络构建及优化  

Construction and optimization of ecological networks in Tianjin using remote sensing imagery

作　　者：万清云 陈筱 WAN Qingyun;CHEN Xiao(School of Geography and Ocean Science,Nanjing University,Nanjing 210023,China;Chengdu Qianshu Agricultural Tourism Planning and Design Company,Chengdu 610000,China)

机构地区：[1]南京大学地理与海洋科学学院,南京210023 [2]成都千蜀农旅规划设计有限公司,成都610000

出　　处：《黑龙江环境通报》2025年第4期9-12,共4页Heilongjiang Environmental Journal

摘　　要：本文以天津市为研究区域,采用形态学空间格局分析(MSPA)方法识别生态源地,基于最小累积阻力(MCR)模型构建综合成本消费面,在此基础上提取潜在生态廊道并提出相关优化建议。结果表明:在景观格局方面,研究区内生态源地呈现北部以山区林地为主、东南部以水域为主的分布特征;在景观连通性方面,呈现明显的两极分化,北部山地丘陵区和南部湿地自然保护区连通性最佳,中西部市内六区连通性较差;在生态网络方面,研究区北部和东南部生态基底较好,生态廊道集中分布于研究区北部和东部。Taking Tianjin as a case study,this research employs the Morphological Spatial Pattern Analysis(MSPA)method to identify ecological source areas.Based on the Minimum Cumulative Resistance(MCR)model,a comprehensive cost surface is constructed to extract potential ecological corridors and propose optimization strategies.The results indicate that,in terms of landscape patterns,ecological source areas in the study region are predominantly distributed in mountainous forests in the north and water bodies in the southeast.Regarding landscape connectivity,significant polarization is observed,with the best connectivity in the northern mountainous and hilly areas and southern wetland nature reserves,while connectivity in the central and western urban districts is poor.In terms of ecological networks,the northern and southeastern regions exhibit a robust ecological foundation,with ecological corridors concentrated in the northern and eastern parts of the study area.

关 键 词：生态网络 景观连通性 生态廊道 

分 类 号：P208[天文地球—地图制图学与地理信息工程]