Table 2. Environmental factors fitted into NMDS analysis.

Habitat	Parameter	NMDS1	NMDS2	R2	Pr(>r)
a) SRF + DCM	Temperature	0.5741	0.8188	0.75	0.0001
	Salinity	0.9722	0.2342	0.11	0.0168
	Oxygen	−0.6602	−0.7511	0.63	0.0001
	NO2−	−0.3366	−0.9417	0.02	0.3243
	NO3−	−0.7845	−0.6202	0.44	0.0001
	PO43−	−0.8309	−0.5564	0.40	0.0001
	Si(OH)4	−0.7332	−0.6801	0.40	0.0010
	Chl a	−0.7366	−0.6763	0.10	0.0522
b) SRF	pH	0.0002	−1.0000	0.00	0.9738
	Total alkalinity	0.0000	−1.0000	0.15	0.2071
	Total carbon	0.0000	−1.0000	0.04	0.6766
	CO2	0.0000	1.0000	0.01	0.9161
	pCO2	−0.0001	1.0000	0.01	0.9440
	HCO3	0.0003	−1.0000	0.02	0.8120
	CO3	−0.0001	−1.0000	0.13	0.2164

Columns NDMS1 and NMDS2 give direction cosines of the vectors and R² gives the squared correlation coefficient. P-values for each factor are given in the last column and are considered as significant effect if P < 0.05.