Variables/Effects S. S. D. F. M. S. F p

Temperature

         
Season 786.53 2 393.27 55.79 *0.0000
Habitat 8.52 3 2.84 0.40 0.7513
Season-Habitat 13.09 6 2.18 0.31 0.9309

Salinity

         
Season 3711.0 2 1855.5 30.261 *0.0000
Habitat 823.8 3 274.6 4.478 *0.0052
Season-Habitat 624.8 6 104.1 1.698 0.1279

Dissolved oxygen

         
Season 18.281 2 9.140 2.943 0.0568
Habitat 4.387 3 1.462 0.471 0.7032
Season-Habitat 4.261 6 0.710 0.229 0.9665

TDS

         
Season 1124.68 2 562.34 4.5829 *0.0125
Habitat 640.65 3 213.55 1.7404 0.1637
Season-Habitat 445.35 6 74.22 0.6049 0.7258

pH

         
Season 0.129 2 0.065 0.94 0.3948
Habitat 0.093 3 0.031 0.45 0.7175
Season-Habitat 0.238 6 0.040 0.57 0.7503

Depth

         
Season 481.7 2 240.9 0.4413 0.6443
Habitat 28173.1 3 9391.0 17.2063 *0.0000
Season-Habitat 5458.6 6 909.8 1.6669 0.1357

Wind velocity

         
Season 1565.84 2 782.92 5.3511 *0.0060
Habitat 29.54 3 9.85 0.0673 0.9772
Season-Habitat 579.72 6 96.62 0.6604 0.6817
Table 2: Results of the factorial two-way ANOVA to test spatial and seasonal significant differences (*; p<0.05) in the environmental variables registered.