本文提出的资源有效性假说能够很好地解释全球与群落尺度上群落优势度的差异。
The hypothesis that the resource availability controlled the dominance of community could well elucidate the difference of community dominance on global and community scale.
水盾草在所调查的大部分沉水植物群落中基本上为优势种或共优种，并且其优势度与物种数呈显著负相关。
Cabomba had been the dominant or co-dominant species in the most investigated submerged plant communities, and its dominance negatively correlated with the number of species markedly.
水沼泽植物群落的优势度指数大于丘状沼泽。
结果表明：丝栗栲群落及其优势种群个体数、群落物种数和种对级的分享度随高度级增加都呈下降趋势；
The results indicated that the individual number of the community and its dominant, species number and sharing degree decreased as highness classes raised;
结果表明：丝栗栲群落及其优势种群个体数、群落物种数和种对级的分享度随高度级增加都呈下降趋势；
The results indicated that the individual number of the community and its dominant, species number and sharing degree decreased as highness classes raised;
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