Correlation between ecosystem service value and ecological risk in Chengdu Yongju Geng, Guoqing Zhou, Weiyi Wang, Yufu Cai, Taiyuan He and Cong Li E3S Web Conf., 637 (2025) 01013 Published online: 16 July 2025 DOI: 10.1051/e3sconf/202563701013