降水和放牧对沙质草地优势植物出苗和存活的影响

何玉惠, 刘新平, 胡鸿姣, 徐远志

The impact of grazing and precipitation on the emergence and survival of dominant plants in sandy grassland

Yuhui He, Xinping Liu, Hongjiao Hu, Yuanzhi Xu

表3 放牧和降水对两种优势植物个体存活影响的双因素分析

Table 3 Results of two-way ANOVA on the effects of grazing and rainfall changes on plant survival of two dominance plants

指标 降水 放牧强度 降水×放牧强度 F P F P F P 个体存活数量 狗尾草 13.372 0.000 2.352 0.102 0.904 0.409 大果虫实 14.500 0.000 20.710 0.000 19.617 0.000 幼苗存活率 狗尾草 1.311 0.274 0.983 0.402 0.239 0.791 大果虫实 4.849 0.048 7.311 0.008 1.828 0.203