Nutrients and phytoplankton dynamics in the fishing grounds off Tiruchendur coastal waters, Gulf of Mannar, India

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Table 10 Inter correlation of biological parameters with nutrients at station 1, 2 and 3

	Ammonia	Nitrate	Nitrite	Phosphate	Silicate	Chl ‘a’	PP	Phytoplankton density
Station 1
Chl ‘a’	−0.49*	−0.51**	−0.41*	−0.13 NS	−0.40*	1.00
Primary productivity	−0.59**	−0.67***	−0.49*	−0.28 NS	−0.58**	0.73***	1.00
Phytoplankton density	−0.78***	−0.62***	−0.54**	−0.30 NS	−0.64***	0.80***	0.80***	1.00
Station 2
Chl ‘a’	−0.67***	−0.41*	−0.26 NS	−0.37 NS	−0.38 NS	1.00
Primary productivity	−0.55**	−0.48*	−0.30 NS	−0.59**	−0.32 NS	0.54**	1.00
Phytoplankton density	−0.66***	−0.49*	−0.35 NS	−0.43*	−0.46*	0.73***	0.70***	1.00
Station 3
Chl ‘a’	−0.17 NS	0.27 NS	0.11 NS	0.31 NS	0.20 NS	1.00
Primary productivity	0.26 NS	0.30 NS	0.47*	0.55**	0.37 NS	0.21 NS	1.00
Phytoplankton density	−0.61**	−0.08 NS	−0.14 NS	0.07 NS	−0.22 NS	0.68***	0.27 NS	1.00