Source of Variation SS df MS F F crit P-value Seasons 0.2845 1 0.2845 0.4611 4.8443 <0.05 Stations 1.5993 11 0.1454 0.2357 2.8179 <0.05 Error 6.7863 11 0.6169       Total 8.6701 23

Table 9: The two-way ANOVA between the stations and seasons.