Source of Variation SS df MS F F crit P-value Seasons 0.0338 1 0.0338 1.2747 4.8443 <0.05 Stations 1.0946 11 0.0995 3.7582 2.8179 <0.05 Error 0.2913 11 0.0265       Total 1.4196 23

Table 4: The two-way ANOVA between stations and seasons.