刈割干扰对羊草草甸草原植物功能群及多样性的影响
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闫瑞瑞,张宇,辛晓平,卫智军,乌仁其其格,郭美兰
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Effects of Mowing Disturbance on Grassland Plant Functional Groups and Diversity in Leymus chinensis Meadow Steppe
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YAN RuiRui,ZHANG Yu,XIN XiaoPing,WEI ZhiJun,Wuren qiqige,GUO MeiLan
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表3 植物功能群和群落物种多样性之间的相关性
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Table 3 Correlation between plant functional groups and community species biodiversity
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因子 Factor | 丰富度指数 Margarlef index | 多样性指数 Shannon- Wiener index | 优势度指数 Simpson index | 均匀度指数 Pielou index | 禾本科 Poaceae | 豆科 Leguminosae | 毛茛科 Ranunculaceae | 菊科 Asteraceae | 莎草科 Cyperaceae | 杂草类 Broadleaved herb | 丰富度指数 Margarlef index | 1 | 0.853** | 0.659** | 0.27 | -0.661** | -0.131 | 0.540** | 0.298 | 0.115 | 0.689** | 多样性指数 Shannon-Wiener index | | 1 | 0.925** | 0.714** | -0.841** | -0.036 | 0.668** | 0.466* | 0.138 | 0.679** | 优势度指数 Simpson index | | | 1 | 0.849** | -0.875** | 0.113 | 0.670** | 0.504* | 0.093 | 0.603** | 均匀度指数 pielou index | | | | 1 | -0.657** | 0.256 | 0.572** | 0.393 | -0.029 | 0.322 | 禾本科Poaceae | | | | | 1 | -0.027 | -0.562** | -0.668** | -0.272 | -0.672** | 豆科Leguminosae | | | | | | 1 | -0.062 | -0.133 | -0.628** | -0.148 | 毛茛科 Ranunculaceae | | | | | | | 1 | 0.18 | 0.04 | 0.322 | 菊科Asteraceae | | | | | | | | 1 | 0.152 | 0.166 | 莎草科 Cyperaceae | | | | | | | | | 1 | 0.091 | 杂草类 Broadleaved herb | | | | | | | | | | 1 |
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