祁连山区演替先锋物种西藏沙棘的种群结构及动态对海拔梯度的响应

卢晶, 马宗祺, 高鹏斐, 樊宝丽, 孙坤

Changes in the Hippophae tibetana population structure and dynamics, a pioneer species of succession, to altitudinal gradients in the Qilian Mountains, China

LU Jing, MA Zong-Qi, GAO Peng-Fei, FAN Bao-Li, SUN Kun

表3 祁连山区不同海拔西藏沙棘种群年龄结构动态指数

Table 3 Dynamic index of Hippophae tibetana population age structure at different altitudes in the Qilian Mountains

海拔 Altitude 动态指数级 Dynamic index level VI VII VIII VIV VV VVI Vpi V′pi Pmax 低 Low -0.943 -0.120 0.566 0.759 0.815 0.800 0.339 0.048 0.143 中 Middle -0.584 0.487 0.567 0.595 0.660 -0.059 0.319 0.003 0.009 高 High -0.614 0.681 0.954 0.833 0 1.000 0.442 0.063 0.143