大兴安岭呼玛河流域多年冻土区森林土壤有机碳和有效氮分布特征及影响因素
郑智超, 满浩然, 臧淑英, 刘超, 董星丰

Distribution characteristics and influencing factors of forest soil organic carbon and available nitrogen in permafrost regions of Huma River basin, Greater Hinggan Mountains
Zhichao ZHENG, Haoran MAN, Shuying ZANG, Chao LIU, Xingfeng DONG
图1 研究区采样点位置[底图为《环北极多年冻土和地下冰状态图》的中国多年冻土分布图(第二版)]
Fig. 1 Location of sampling points in the study area (The base map is distribution map of permafrost in China taken from Circum-Arctic map of permafrost and ground-ice conditions, Version 2)