人工禾草群落间优势种群的重叠程度越大，群落的相似程度越高。
The similarity of different communities increased with the overlap extent of the grass compositions of the communities.
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;
烟粉虱、蓟马和蚜虫是草莓苗圃节肢动物群落的优势种群。
Monitoring of population dynamics of main insects in strawberry nursery;
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