甘肃小苏干湖盐沼湿地盐地风毛菊叶形态-光合生理特征对淹水的响应

李群,赵成章,王继伟,文军,李子琴,马俊逸

Morphological and photosynthetic physiological characteristics of Saussurea salsa in response to flooding in salt marshes of Xiao Sugan Lake, Gansu, China

LI Qun,ZHAO Cheng-Zhang,WANG Ji-Wei,WEN Jun,LI Zi-Qin,MA Jun-Yi

表5 小苏干湖盐地风毛菊功能性状与环境因子的协方差分析(平均值±标准误差)

Table 5 Covariance analysis between functional traits and environmental factors of Saussurea salsa in salt marshes of Xiao Sugan Lake (mean ± SE)

功能性状 Functional traits 总离差平方和 SST 残差均方 MSE 未考虑协变量的均方 MS1 F1 (MS1/MSE) 显著性水平p1 判定系数R12 考虑协变量的均方 MS2 F2 (MS2/MSE) 显著性水平 p2 判定系数R22 SLA 6.311 1 2.129 5 3.155 6 1.481 9 0.266 0 0.852 0 29.425 5 13.818 3 0.000 1 0.790 0 Ca 4.432 7 0.572 2 2.216 3 3.873 3 0.050 4 0.889 0 10.950 6 19.137 5 0.000 0 0.842 0 Cb 0.349 8 0.080 4 0.174 9 2.175 4 0.156 3 0.854 0 1.132 9 14.090 5 0.000 1 0.879 0 Y(II) 0.004 6 0.000 6 0.002 3 4.174 3 0.042 1 0.877 0 0.009 4 17.093 1 0.000 0 0.826 0 Y(NPQ) 0.008 1 0.000 4 0.004 1 10.662 2 0.002 2 0.977 0 0.039 1 102.532 8 0.000 0 0.968 0 Y(NO) 0.016 0 0.000 1 0.008 0 136.047 6 0.000 0 0.991 0 0.015 2 259.079 1 0.000 0 0.987 0 QP 0.024 7 0.003 4 0.012 4 3.592 8 0.059 9 0.832 0 0.041 0 11.919 5 0.000 3 0.763 0 NPQ 0.023 4 0.000 5 0.011 7 22.825 4 0.000 1 0.987 0 0.093 1 181.178 3 0.000 0 0.981 0