青藏高原高寒草甸植物花寿命与花吸引特征的关系及其对雌性繁殖成功的影响

王玉贤, 侯盟, 谢言言, 刘左军, 赵志刚, 路宁娜

Relationships of flower longevity with attractiveness traits and their effects on female fitness of alpine meadow plants on the Qinghai-Xizang Plateau, China

WANG Yu-Xian, HOU Meng, XIE Yan-Yan, LIU Zuo-Jun, ZHAO Zhi-Gang, LU Ning-Na

Table 3 Effects of plant height, flower size (log transform), flower longevity and flower number on female fitness (seeds number) of studied species in low (2 900 m) and high (3 600 m) communities

海拔 Altitude 因素 Effect 估计值±标准误差 Estimate ± SE z p 低海拔 Low altitude 截距 Intercept 1.62 ± 0.46 3.545 0.000 植株高度 Plant height (cm) 0.01 ± 0.01 0.856 0.392 Log (花大小) log (flower size) 0.18 ± 0.08 2.319 0.020 花寿命 Flower longevity (day) 0.07 ± 0.03 2.213 0.027 开花数目 Flower number 0.01 ± 0.03 0.101 0.919 高海拔 High altitude 截距 Intercept 1.89 ± 0.60 3.131 0.002 植株高度 Plant height (cm) 0.01 ± 0.01 1.094 0.274 Log (花大小) log (flower size) (mm2) -0.03 ± 0.09 -0.340 0.734 花寿命 Flower longevity (day) 0.16 ± 0.05 3.380 0.001 开花数目 Flower number -0.01 ± 0.03 -0.200 0.841