Microbial community structure was conducted with the technology of PCR-DGGE.The result was analyzed with diversity index analysis and cluster analysis.

• 运用PCR-DGGE技术研究3种不同类型的潜流人工湿地中微生物种群结构,结合多样性分析和聚类分析方法,分析了人工湿地微生物种群结构特征。