Exploring the evolution law of watershed water regulation function and its stability using a novel assessment system framework - Jiping Yao; Wentao Liang; Xiaoman Jiang; Ruihong Yu; Shen Qu; Yanling Hao; Zhendong Yang; Wenxing Zhang; Xiaojing Zhang; Jiajun Li; Jie Su (Journal of Hydrology, 2025)