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

Yang ZHAO,Jin-Qian LIU,Xue-Long CHEN,Meng-Meng Yang,Jia-Hao CAO,Rui QI,Xiu-Wen CAO

表3 洮河上游紫果云杉种群存活曲线方程

Table 3 The equation of survival curve for Picea purpurea populations in the upstream of Taohe River

不同林区 Different forest 曲线方程 Survival curve 存活曲线类型 Survival type 尕海-则岔林区 Gahai-Zecha forest region Y = 1052.654x -1.868, R2 = 0.989, F = 1 085.471, p < 0.000 1 Deevey-III Y = 407.192e -1.321x, R2 = 0.856, F = 71.083, p < 0.000 1 卡车林区 Kache forest region Y = 538.798x -1.935, R2 = 0.773, F = 40.811, p < 0.000 1 Deevey-II Y = 271.407e -0.373x, R2 = 0.838, F = 61.952, p < 0.000 1 冶力关林区 Yeliguan forest region Y = 290.048x -1.215, R2 = 0.618, F = 19.429, p < 0.001 Deevey-II Y = 205.059e -0.245x, R2 = 0.736, F = 33.405, p < 0.000 1