Source of Variation SS df MS F F crit P-value Seasons 0.0610 1 0.0610 0.5321 4.8443 NS Stations 2.1183 11 0.1926 1.6797 2.8179 <0.05 Error 1.2611 11 0.1146       Total 3.4405 23

Table 5: Two-way ANOVA between seasons and stations.