荒漠绿洲芦苇( Phragmites australis )硅氮化学计量学及内稳定性特征
康建军, 张东梅, 赵丽雯, 杨帆

Si and N stoichiometry and homeostasis characteristics of Phragmites australis in desert oasis
Jianjun Kang, Dongmei Zhang, Liwen Zhao, Fan Yang
表3 生境、生育期和器官对芦苇SiN含量及Si/N交互影响的方差分析结果
Table 3 Variance analysis of habitatgrowth period and organ on SiN content and Si/N interaction effects of reed
项目效应平方和自由度df均方FP
Si截距286.56511 026.783819.1540.000**
生境(A)155.6511153.25496.2540.000**
生育期(B)14.520152.12550.2320.000**
器官(C)4.12517.23128.9300.000**
A×B24.512224.53224.5420.000**
A×C2.23511.8545.6720.000**
B×C12.254112.50010.4680.000**
A×B×C25.670224.56015.6800.000**
误差37.520241.563
合计1 548.00032
N截距212.2561678.776417.1800.000**
生境(A)125.4391121.27665.2760.000**
生育期(B)10.531135.17025.2340.000**
器官(C)3.16525.22521.9650.000**
A×B17.532118.5119.5560.000**
A×C2.26521.4504.6300.000**
B×C10.150110.1807.4510.000**
A×B×C20.361116.51211.6630.000**
误差30.558161.340
合计1 135.40022
Si/N截距367.8351788.796312.1500.000**
生境(A)198.6701144.35055.2500.000**
生育期(B)20.650249.14829.2790.000**
器官(C)6.12016.28020.6630.000**
A×B28.610222.5817.5760.000**
A×C2.85121.8655.7500.000**
B×C16.274113.2546.4860.000**
A×B×C27.685119.75010.6910.000**
误差34.512271.680
合计1 426.60036