Unveiling high-light-use efficiency in Juglans mandshurica: Adaptive insights from leaf morphology and physiology - Qinhui Zhang; Dan Peng; Xiaona Pei; Yitong Chen; Zihan Yan; Mingrui Kang; Jinrong Hu; Yulu Pan; Jingxin Yu; Lu Xu; Huicong Lin; Xiyang Zhao (Forest Ecology and Management, 2025)