Skip to main content
. 2009 Jul 31;75(18):5750–5760. doi: 10.1128/AEM.00040-09

TABLE 7.

Partial Mantel test testing the effects of various factors while controlling for the effect of geographic distancea

Factor 97% OTU
95% OTU
r P r P
CO32− 0.235 0.190 0.228 0.262
HCO3− −0.346 0.022 −0.342 0.024
pH 0.475 0.014 0.425 0.026
Temp 0.256 0.137 0.208 0.185
Na+ −0.346 0.024 −0.342 0.025
Cl− −0.028 0.472 −0.013 0.507
K+ −0.105 0.295 −0.253 0.091
Mg2+ 0.426 0.032 0.305 0.059
S2− −0.164 0.214 −0.151 0.237
a

r2 is the correlation value, and positive or negative values reflect the type of relationship between the two matrices, while P is the probability associated with r2. P values are significant if P is <0.05 (boldface).