. 2015 Nov 25;5:17231. doi: 10.1038/srep17231

Table 2. The correlations between bacterial abundance and geochemical factors in sediments from Lake Y2, in maritime Antarctica.

Geochemicalfactors	Actinobacteria	Gemmatimonadetes	Bacteroidetes	Gammaproteobacteria	Acidobacteria	Chloroflexi	Alphaproteobacteria	Deltaproteobacteria	Betaproteobacteria
TC	0.132	0.615^**	0.155	0.358	0.422^*	0.511^**	0.728^**	−0.332	−0.670^**
TN	0.166	0.556^**	0.194	0.381^*	0.347	0.451^*	0.623^**	−0.310	−0.611^**
TP	0.066	0.619^**	0.094	0.407^*	0.495^**	0.523^**	0.773^**	−0.338	−0.690^**
pH	0.058	0.443^*	0.071	0.044	0.426^*	0.470^*	0.513^**	−0.036	−0.487^**
Cu	0.108	0.604^**	0.158	0.394^*	0.366	0.480^**	0.752^**	−0.301	−0.655^**
Zn	0.143	0.614^**	0.157	0.389^*	0.396^*	0.476^*	0.748^**	−0.319	−0.676^**
Sr	0.082	0.637^**	0.163	0.409^*	0.390^*	0.490^**	0.759^**	−0.331	−0.680^**
Ba	0.150	0.654^**	0.073	0.231	0.554^**	0.515^**	0.682^**	−0.298	−0.693^**
Fe	−0.116	−0.643^**	−0.142	−0.337	−0.481^**	−0.529^**	−0.767^**	0.293	0.710^**
Mn	−0.159	−0.684^**	−0.100	−0.322	−0.565^**	−0.574^**	−0.790^**	0.300	0.756^**
Mg	−0.112	−0.621^**	−0.121	−0.350	−0.469^*	−0.535^**	−0.781^**	0.284	0.699^**
Al	−0.148	−0.482^**	−0.029	−0.332	−0.271	−0.411^*	−0.652^**	0.136	0.547^**

Note: **Correlation is significant at the 0.01 level (2-tailed), and *Correlation is significant at the 0.05 level (2-tailed)