based on the case study of Guizhou Province based on the survey of Jiangsu province in the case study of Hebei province 生态底线指标体系研究：以贵州为案例：based on the case study of Guizhou Province based on the case of Fuzhou Fujian the case study of Yunnan province based on the case in Yunnan Province based on the practice of Hunan province based on a case of Jiangsu Province based on the data of Henan Province