Species
Species
Species
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Numerical Taxonomy• Taxonometrics: computer taxonomy• 1957, P. H. Sneath• Operational taxonomic units (OTU) 运 算分 类 单 位 : a variety of strains1. Calculate correlation coefficient 相 关 系 数2. Give similarity matrices 相 似 度 矩 阵3. Dendrogram 树 状 分 枝 图 : only phenon 同 型种 or phenotic group, not taxon