Parameters Ra.fa. T Salin. pH DO NO2 NO3 NH4 IP SiO3 GPP NPP Phaeo-Pig. Chl. Pop. Den. Ra.fa. 1                             T -0.226 1                           Salin. -0.879** 0.493 1                         pH -0.715* 0.611 0.838*                         DO -0.372 0.693* 0.476 0.603 1                     NO2 0.561* -0.725** -0.625* -0.739** -0.950 1                   NO3 0.427* -0.727** -0.492* -0.674** -0.934 0.973 1                 NH4 0.616** -0.622** -0.622** -0.755** -0.79 0.965 0.948 1               IP 0.525* -0.812 -0.610* -0.799 -0.891 0.957 0.947 0.910 1             SiO3 0.663** -0.619** -0.693 -0.711** -0.921 0.953 0.908 0.922 0.899 1           GPP 0.352* -0.282 -0.110 -0.247 -0.322* 0.448* 0.491* 0.481* 0.493* 0.432* 1         NPP -0.021 -0.290 -0.040 -0.273 -0.033 0.121 0.198 0.075 0.319* 0.033 0.408* 1       Phaeo-Pig. -0.027 -0.083 -0.104 0.217 0.375* -0.283 -0.299 -0.321* -0.241 -0.263 0.052 0.355* 1     Chl. -0.272 0.114 0.319* 0.382* 0.581** -0.554** -0.531** -0.530** -0.429* -0.598** 0.011 0.318* 0.554** 1   Pop. Den. -0.389* 0.654 0.515** 0.561** 0.860 -0.818 -0.771 -0.767 -0.744 -0.843 -0.324 0.217 0.300 0.638** 1 * Correlation is significant at 5% level (P<0.05). ** Correlation is significant at 1% level (P<0.01).

Table 3: Correlation (r) values between physico-chemical parameters, biological parameters and phytoplankton for station-I.

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