佳木斯市杏林湖公园植物群落数量特征分析

采用分层随机抽样方法对佳木斯市杏林湖公园的植物群落进行调查,并进行群落数量特征分析。结果表明:公园内共有维管植物46科105属124种,其中蕨类植物2科2属2种,裸子植物2科3属5种,被子植物42科100属117种。多样性分析表明物种丰富度指数(S)和多样性指数(H’)表现一致,均为:草本层>乔木层>灌木层;生态优势度指数(C)表现为灌木层>乔木层>草本层;均匀度指数(J)表现相反为乔木层>草本层>灌木层。建议今后在公园维护过程中加强抚育,加大灌木种类的引进力度,促进群落物种多样性的提高。

Analysis on the Quantitative Characters of the Communities in Xinglinhu Park of Jiamusi

Based on stratified random selection method,investigate the number and characteristics ot the community in XinglinhuPark of Jiamusi. The results showed that： there were 124 vascular plant species in Xinglinhu park,among them, 2 were ferns; 5 were gymnosperms; 117 were angiosperms, belonging to 46 families and 105 genera. Diversity showed that species richness index （S） and diversity index （H） show the same, as herb layer〉 tree layer〉 shrub layer; dominance index （C） shown as shrub layer〉 tree layer〉 herb layer; evenness index （J） shown as tree layer~ herb layer〉 shrub layer. Recommen- dations for future maintenance of the park to enhance the process of tending to increase the introduction of shrubs, and promote the improvement of species diversity.