长白山北坡林线岳桦种群动态对气候变化响应的坡向分异

王晓东, 刘惠清

The Dynamics Response of Betula ermanii Population and Climate Change on Different Slopes Aspect of North Slope,Changbai Mountains

Xiao-dong WANG, Hui-qing LIU

表 1 样地内岳桦年龄和径级、树高数学模型

Table 1 The age-class and age-height regressions of Betula ermanii in quadrats

样地 树高大于1.5 m 树高小于1.5 m 灌丛状 乔木状 灌丛状 乔木状 东坡 y=e(2.5745+0.0926x) y=e(2.4836+0.1541x) y=7.0125t0.8236 y=6.6588t0.7916 东北坡 y=e(2.6442+0.1132x) y=e(2.5467+0.1081x) y=7.2705t0.9272 y=6.5295t0.9011 东南坡 y=e(2.5735+0.0819x) y=e(2.5435+0.1198x) y=6.6524t0.9358 y=6.8814t0.7921