基于主成分分析的粤北山区土地生态安全评价

马俊伟

Evaluation on land ecological security in mountains of northern Guangdong province based on principal component analysis

MA Jun-wei

湖北农业科学 . 2020, (3): 48 -52 . DOI: 10.14088/j.cnki.issn0439-8114.2020.03.010