Fig. 7

Spatial pattern of landscape ecological risk in Natural Development Scenario (NDS, a), Ecological Priority Scenario (EPS, b), Cropland Protection Scenario (CPS, c) and the mean values of landscape ecological risk index (ERI) in different regions (d) (Software: ArcMap 10.6, http://www.esri.com). Notes: Low (L), Sub-low (SL), Middle (M), Sub-high (SH), High (H); The drylands of the Yellow River Basin (YRBD), the Tibetan Plateau (TP), the Inner Mongolia Plateau (IMP) and the Loess Plateau (LP).