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. 2015 Oct 23;10(10):e0141087. doi: 10.1371/journal.pone.0141087

Table 3. Association between microbiome and lumped water chemistry variables.

Unweighted UniFrac Weighted UniFrac
“BEST” combination pH, Mg Total chlorine, pH, P, SO4 2-, Mg
Rho statistic 0.741 0.501

BEST analysis was conducted using Primer 6. Rho statistic represents “association strength”, ranging from 0 to 1 with rho>0.5 to be generally considered a strong association. Permutation = 99.