Forest degradation contributes more to carbon loss than forest cover loss in North American boreal forests. - Ling Yu; Lei Fan 001; Philippe Ciais; Jingfeng Xiao; Frédéric Frappart; Stephen Sitch; Jingming Chen; Xiangming Xiao; Rasmus Fensholt; Zhongbing Chang; Hongqian Fang; Xiaojun Li 003; et al. (Int. J. Appl. Earth Obs. Geoinformation, 2024)