Abstract: [Purposes]Accurately assessing the ecological network of waterbirds in Suzhou is of great significance for urban waterbird ecological conservation.[Methods]Based on MSPA technology,the maximum entropy(MaxEnt)model,and the Linkage Mapper tool,a waterbird ecological network was constructed,and its network structure and robustness were assessed.[Findings]The results indicate： ①Ecological sources are predominantly distributed in the densely water-networked areas of the southwest,while ecological corridors exhibit a spatial pattern of dense in the west-central area,sparse or absent in other regions.②The average clustering coefficient of the network is 0.22,the average shortest path length is 3.21,and the global efficiency is 0.40,indicating good overall connectivity but weak clustering,with key nodes playing a significant role in structural control.③Under malicious attacks,network robustness declines significantly； an attack on a single node can cause a 10% network failure,reflecting the vulnerability and importance of key nodes.[Conclusions]The waterbird ecological network constructed in this study achieves local stability while maintaining global connectivity,providing a reference for waterbird ecological conservation research and offering scientific support for spatial decision-making and sustainability in waterbird protection from the perspective of complex network theory．

Key words: waterfowl, MaxEnt, MSPA, ecological corridor, POI