Short-term nitrogen pulse affects nitrogen fixation and ammonia oxidation in biocrusts: New insights into dryland nitrogen dynamics - Wei Hang; Waseem Shoukat; Zihan Kan; Shihang Zhang; Jungang Yang; Rongliang Jia; Ye Tao; Bengfeng Yin; Huiliang Liu; Yongxing Lu; Yuanming Zhang; Xiaobing Zhou (Soil Ecology Letters, 2026)