洮河上游紫果云杉种群结构特征
赵阳,刘锦乾,陈学龙,杨萌萌,曹家豪,齐瑞,曹秀文(
)
)
Population structure characteristics of Picea purpurea in the upstream of Taohe River
ZHAO Yang,LIU Jin-Qian,CHEN Xue-Long,Yang Meng-Meng,CAO Jia-Hao,QI Rui,CAO Xiu-Wen()
)
图1. 洮河上游紫果云杉种群龄级结构。龄级同
Fig. 1. Age class structure of Picea purpurea populations in the upstream of Taohe River. Age class see
