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4 祁连山区不同海拔西藏沙棘种群数量动态时间序列预测

Table 4 Time sequence prediction of number dynamics of Hippophae tibetana populations at different altitudes in the Qilian Mountains

龄级 Age class	低海拔 Low altitude				中海拔 Middle altitude				高海拔 High altitude
龄级 Age class	M₀	M₂⁽¹⁾	M₄⁽¹⁾	M₆⁽¹⁾	M₀	M₂⁽¹⁾	M₄⁽¹⁾	M₆⁽¹⁾	M₀	M₂⁽¹⁾	M₄⁽¹⁾	M₆⁽¹⁾
I	13				217				156
II	227	120			522	370			404	280
III	258	243			268	395			129	267
IV	112	185	153		116	192	281		6	68	174
V	27	70	156		47	82	238		1	4	135
VI	5	16	101	107	16	32	112	198	1	1	34	116
VII	1	3	36	105	17	17	49	164	0	1	2	90