刈割干扰对羊草草甸草原植物功能群及多样性的影响

闫瑞瑞,张宇,辛晓平,卫智军,乌仁其其格,郭美兰

Effects of Mowing Disturbance on Grassland Plant Functional Groups and Diversity in Leymus chinensis Meadow Steppe

YAN RuiRui,ZHANG Yu,XIN XiaoPing,WEI ZhiJun,Wuren qiqige,GUO MeiLan

表2 不同刈割干扰下羊草草甸草原植物功能群重要值交互分析

Table 2 Interactive analysis of important values of plant functional groups in Leymus chinensis meadow steppe under mowing disturbance

功能群Function 影响因素 Factor F 显著性Sig. 禾本科Gramineae 年际Interannual 9.309 <0.001*** 处理Treatment 3.681 0.011* 年际×处理Interannual×Treatment 1.504 0.136 豆科Leguminosae 年际Interannual 7.342 <0.001*** 处理Treatment 1.01 0.412 年际×处理Interannual×Treatment 1.758 0.066 毛茛科Ranunculaceae 年际Interannual 2.258 0.076 处理Treatment 1.857 0.133 年际×处理Interannual×Treatment 1.254 0.263 菊科Asteraeeae 年际Interannual 1.093 0.370 处理Treatment 0.821 0.518 年际×处理Interannual×Treatment 0.991 0.481 莎草科Cyperaceae 年际Interannual 5.933 <0.001*** 处理Treatment 1.098 0.368 年际×处理Interannual×Treatment 2.242 0.015* 其他科Other family 年际Interannual 5.134 0.002** 处理Treatment 0.819 0.519 年际×处理Interannual×Treatment 0.735 0.745