降水量对荒漠草原骆驼蓬( Peganum harmala )地上生物量的影响
郭新新, 岳平, 李香云, 乔静娟, 胡亚, 左小安

Effects of precipitation on above-ground biomass of Peganum harmala in desert steppe in Inner MongoliaChina
Xinxin Guo, Ping Yue, Xiangyun Li, Jingjuan Qiao, Ya Hu, Xiaoan Zuo
图5 骆驼蓬地上生物量与降水处理、生长季前期降水、植株密度、株高、果实数的所有交互作用途径的结构方程模型
概念模型的单头箭头表示路径。箭线的宽度与关系的强弱成正比。标准化回归权重(沿路径)和总方差解释为所有预测因子指向该变量的结果。^, *, **和***表示路径在统计上显著水平分别为0.05<P<0.1,P<0.05,P<0.01和P<0.001
Fig.5 Structural equation model showing all interaction pathways of above-ground biomass of Peganum harmala and precipitation treatment, precipitation in early growing season, plant density, height, fruit number