Multi-year droughts prevent compensatory growth of both dominant conifer species in the Helan Mountains of Northwest China - Weiyin Shi; Liang Jiao; Xiaofeng Wang; Peng Zhang; Xuge Wang; Xinrui Wang; Zhengdong Guo; Kuan Zhang; Yarong Qin; Rubin Qin (Forest Ecology and Management, 2026)