Corrigendum: Ecological vulnerability assessment based on remote sensing ecological index (RSEI): a case of Zhongxian County, Chongqing - Lan, Guoxin; Jiang, Xiaolan; Xu, Denghui; Guo, Xianhua; Wu, Yan; Liu, Yixuan; Yang, Yuzheng (Frontiers in Environmental Science, 2023)