Spillover Effects of Built-Up Land Expansion Under Ecological Security Constraint at Multiple Spatial Scales

Land-use change is a global issue, and the built-up land expansion has affected ecological landscape patterns of major river basins in world. However, measurement risks potential identification dynamic relationships by natural human-driven at different zoning scales are still less understood. Based on multi-period Landsat satellite image data, we combined remote sensing (RS) geography information systems (GIS) technologies with Spatial Durbin Panel Model to quantitatively analyze effects under Yellow River Basin. The results showed that there spatial heterogeneity security patterns, gravity center gradually spreading from downstream middle upstream areas, most dramatic patches safety occurring around year 2000. At scales, spillover effect interaction between security, significance regression estimates decreasing large sample sizes small sizes. Our findings highlighted importance identifying relationship scientific planning resources, mitigation environmental crises.