Table 2. Correlation between water quality parameters and dominant algae species density in shrimp ponds

Species name	Temperature	pH	Salinity	TAN	NO3–	PO43–	TN	TP
Microcystis aeruginosa	–0.132	0.208	0.278*	0.278*	0.503**	0.326*	–0.154	–0.090
Nannochloropsis sp.	0.106	–0.473**	–0.369**	–0.235	–0.010	–0.177	–0.155	–0.332*
Gyrosigma acuminatum	0.233	0.274*	0.165	0.555**	–0.136	0.046	–0.044	–0.005
Chaetoceros contortus	–0.062	0.110	0.381*	0.170	–0.100	–0.144	0.462**	0.155
Aulacoseira granulata	0.446**	0.218	0.028	0.027	–0.091	–0.070	0.045	–0.027
Thalassiosira sp.	–0.102	0.059	0.295*	–0.094	0.035	–0.017	0.152	–0.217
Alexandrium sp.	–0.051	–0.063	0.144	–0.193	0.024	–0.047	0.056	0.045

p < 0.05,
p < 0.01.
TAN, total ammonia nitrogen; NO₃^–, nitrate; PO₄^3–, phosphate; TN, total nitrogen; TP, total phosphorus.