Table 3.

Non-parametric analyses to test dissimilarity of 16S rRNA and nifH gene communities between any two mangrove rhizosphere sediments (RA, R. apiculata; AM, A. marina; CT, C. tagal).

	Adonis		ANOSIM		MRPP
	Statistic-value	P	Statistic-value	P	Statistic-value	P
nifH
RA vs. AM	4.564	0.001	0.691	0.001	0.380	0.002
RA vs. CT	6.199	0.001	0.748	0.002	0.379	0.003
AM vs. CT	2.719	0.008	0.347	0.014	0.415	0.013
16S rRNA
RA vs. AM	3.196	0.001	0.737	0.004	0.530	0.003
RA vs. CT	3.295	0.001	0.615	0.002	0.537	0.003
AM vs. CT	1.920	0.001	0.246	0.020	0.558	0.001

Significant differences (P < 0.05) are indicated in italics.