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()
)
图2. 祁连山区不同海拔西藏沙棘种群年龄结构。I, BD ≤ 0.3 cm; II, BD 0.3-0.6 cm; III, BD 0.6-0.9 cm; IV, BD 0.9-1.2 cm; V, BD 1.2-1.5 cm; VI, BD 1.5-1.8 cm; VII, BD > 1.8 cm; BD, 基径。
Fig. 2. Age structure of Hippophae tibetana populations at different altitudes in the Qilian Mountains. I, BD ≤ 0.3 cm; II, BD 0.3-0.6 cm; III, BD 0.6-0.9 cm; IV, BD 0.9-1.2 cm; V, BD 1.2-1.5 cm; VI, BD 1.5-1.8 cm; VII, BD > 1.8 cm; BD, basal diameter.
