“…The selection of the multidimensional poverty dimension refers to the multidimensional poverty-indicator system proposed by Wang Yanhui et al [6,16,40] and the existing main factors (natural and socioeconomic factors) affecting poverty. Economic, social, and natural factors play a key role in the sustainable development of human and land resources [41], so select three dimensions: economic [18,[42][43][44], social [6,16,42,43], and natural [6,45,46]. In addition, based on the research objectives and data accessibility, three dimensions were combined with regional poverty-reduction policies to construct a multidimensional relative-poverty-index system containing a total of 18 indicators in 8 vectors, as shown in Table 2.…”