生态网络可用于描述、评价生境环境破碎条件下景观空间组织方式与物种存续的关系。生态网络连接对保护物种有重要意义。以锡林浩特市露天矿区为研究区，采用形态学空间格局分析(MSPA)提取对生态有重要意义的核心区，基于连通性指数对核心区进行评价，选取15个重要核心斑块作为生态源地。对研究区景观赋予景观阻力值，构建阻力面，采用最小累积阻力模型构建研究区的生态网络连接，基于重力模型对构建的廊道的重要程度进行分析。研究结果表明:核心区占绿地景观面积的55.82%，破碎化严重;生态源地主要集中于湿地景观;生态廊道中绿地景观占88.78%，道路和建设用地都占1.2%，矿业景观占0;生态源地之间的相互作用强度差异大，廊道的适宜性有很大差别;对研究区的生态网络构建具有指导意义。

The ecological network can be used to describe and evaluate the relationship between landscape spatial or- ganization and species persistence under habitat fragmentation conditions. The construction of ecological network can promote the connection of habitat patches,promote the migration of species,better maintain the process of species dif- fusion,and enrich biodiversity,so as to improve the stability of ecosystem. Taking the open-pit mining area of Xilinhot as the research area,According to the remote sensing image interpretation of land use types,the green landscape with high vegetation coverage was extracted,the core area important for ecology was extracted using Morphological Spatial Pattern Analysis ( MSPA). The core regions were evaluated based on the connectivity index,and 15 important core patches were selected as ecological source areas. The value of landscape resistance was assigned to the landscape of the study area,and the resistance consumption surface was constructed. The minimum cumulative model was used to construct the ecological network connection of the study area,and the importance of the constructed corridor was ana- lyzed based on the gravity model. The results show that the core area accounts for 55. 82% of the green area land- scape,and the fragmentation is serious;the ecological source area is mainly concentrated in the wetland landscape;the green space landscape takes up 88. 78% of the corridor area,the road and construction land accounts for 1. 2% ,and the mining landscape takes up 0 of the corridor area. The interaction intensity between the ecological source areas dif- fers greatly,and the suitability of the corridors is very different. Based on the extraction of the important corridors,the countermeasures of ecological network optimization were put forward.