Source of Variation SS df MS F P-value F crit Rows 2620.99 23 113.9561 13.76525 1.29E-17 1.686897 Columns 10.03125 3 3.34375 0.403906 0.750645 2.737492 Error 571.2187 69 8.278533       Total 3202.24 95

Table 2: Two-way ANOVA for differences in Salinity between seasons along Muthupettai coastal waters during the study period (January-2010 to December-2011).