Effect of Salinity Intrusion on Food Crops, Livestock, and Fish Species at Kalapara Coastal Belt in Bangladesh

Table 5

Correlation coefficient and level of significance between salinity indicators of water samples at Kalapara coastal belt.

Parameters	Salinity	Conductivity	TDS	pH	Fluoride (F^−)	Chloride (Cl^−)	Nitrite ()	Bromide (Br^−)	Nitrate ()	Phosphate ()	Sulfate ()	Sodium (Na^+)	Potassium (K^+)	Calcium (Ca^2+)	Magnesium (Mg^2+)
Salinity %	1
Conductivity (µS/cm)	0.989	1
TDS, mg/l	0.988	0.999	1
pH	−0.045	−0.013	−0.010	1
Fluoride (F^−), mg/l	0.282	0.262	0.251	−0.576	1
Chloride (Cl^−), mg/l	0.982	0.995	0.992	−0.027	0.242	1
Nitrite (), mg/l	−0.181	−0.256	−0.265	−0.311	0.392	−0.257	1
Bromide (Br^−), mg/l	0.524	0.524	0.515	0.385	−0.025	0.509	−0.129	1
Nitrate (), mg/l	0.052	−0.047	−0.034	−0.286	0.275	−0.084	0.490	−0.097	1
Phosphate (), mg/l	0.702	0.671	0.675	−0.245	0.380	0.665	0.401	0.330	0.306	1
Sulfate (), mg/l	0.977	0.988	0.983	−0.022	0.243	0.993	−0.307	0.535	−0.135	0.602	1
Sodium (Na^+), mg/l	0.981	0.994	0.990	−0.044	0.252	0.999	−0.252	0.509	−0.088	0.658	0.994	1
Potassium (K^+), mg/l	0.931	0.947	0.949	0.022	0.127	0.958	−0.220	0.403	0.015	0.683	0.924	0.953	1
Calcium (Ca^2+), mg/l	0.899	0.905	0.906	0.161	−0.032	0.921	−0.256	0.532	0.020	0.604	0.896	0.916	0.968	1
Magnesium (Mg^2+), mg/l	0.827	0.820	0.808	0.214	0.002	0.847	−0.154	0.727	−0.085	0.584	0.843	0.843	0.830	0.909	1

indicates significant correlation at 1% level of significance, indicates significant correlation at 5% level of significance, and indicates significant correlation at 10% level of significance.