Table 1.

Permutational MANOVA analysis on Jaccard distance matrix of all the samples from the six habitats to test the association of community variance with different environmental variables.

	Not subsampled		Subsampled to 15 sequences
Environmental variables	R2	P	R2	P
Salinity	0.09890	0.0001∗∗∗	0.09998	0.0001∗∗∗
Elevation	0.01894	0.0003∗∗∗	0.02026	0.0158∗
Latitude	0.02145	0.0002∗∗∗	0.03136	0.0001∗∗∗

The statistical significance with P-values < 0.001 and P < 0.05 were highlighted by ‘^∗∗∗’ and ‘^∗’, respectively.