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 2 Potential effects of plant height, flower size (log transform), and flower number on flower longevity of studied species in low (2 900 m) and high (3 600 m) altitude communities

海拔 Altitude 因素 Effect 估计值±标准误差 Estimate ± SE t p 低海拔 Low altitude 截距 Intercept 3.98 ± 1.69 2.353 0.023 植株高度 Plant height (cm) 0.07 ± 0.03 2.183 0.032 Log (花大小) log (flower size) 0.21 ± 0.28 0.751 0.454 开花数目 Flower number -0.25 ± 0.11 -2.366 0.020 高海拔 High altitude 截距 Intercept 2.85 ± 1.77 1.609 0.123 植株高度 Plant height (cm) 0.06 ± 0.03 2.224 0.030 Log (花大小) log (flower size) 0.49 ± 0.24 2.038 0.046 开花数目 Flower number -0.14 ± 0.07 -2.065 0.044