Studies on the Survival and Growth of Fry of Catla catla (Hamilton, 1922) Using Live Feed

Table 5

Correlation coefficient between different water quality parameters in the Catla fry rearing tanks.

	Dissolved; oxygen	Calcium	Magnesium	Total; hardness	Alkalinity	Ammonia	Nitrite	Nitrate	Phosphate	Sulphate	Chloride
Dissolved; oxygen	1.000	0.314**	−0.412**	−0.183	−0.242*	0.070	−0.013	0.094	−0.166	−0.022	0.243*
Calcium	—	1.000	−0.274*	0.432**	0.336**	0.379**	0.117	0.196	0.502**	0.528**	0.539**
Magnesium	—	—	1.000	−0.065	−0.004	−0.273*	−0.100	0.329**	−0.071	−0.197	−0.491**
Total; hardness	—	—	—	1.000	0.671**	0.597**	0.193	0.068	0.698**	0.584**	0.456**
Alkalinity	—	—	—	—	1.000	0.642**	0.577**	−0.055	0.514**	0.598**	0.471**
Ammonia	—	—	—	—	—	1.000	0.440**	−0.045	0.576**	0.662**	0.605**
Nitrite	—	—	—	—	—	—	1.000	0.055	0.095	0.371**	0.181
Nitrate	—	—	—	—	—	—	—	1.000	−0.023	0.169	0.217
Phosphate	—	—	—	—	—	—	—	—	1.000	0.683**	0.704**
Sulphate	—	—	—	—	—	—	—	—	—	1.000	0.673**
Chloride	—	—	—	—	—	—	—	—	—	—	1.000

Note. ** and * denote significant level at 99% and 95% confident level, respectively.