FIGURE CAPTIONS
FIGURE 1 The whole framework and technical flowchart
FIGURE 2 The theoretical model from ecological security network to complex network
FIGURE 3 Ecological security networks of 1995 and 2015 (Zhou, Lin, Ma, Qi, & Yan, 2020)
FIGURE 4 The degree distributions in 1995 and 2015
FIGURE 5 The core of nodes in 1995 and 2015
FIGURE 6 Node comprehensive importance level in 1995 and 2015
FIGURE 7 The robustness analyses for 1995 and 2015. Note: The percentage corresponding to the dotted line refers to the node failure rate
FIGURE 8 The ecological breaking points
FIGURE 9 The important steppingstones in the UAHB