Fig. 2

Boxplots of Swan Geese autumn migration parameters in the three routes. (a) Arrival date; (b) Migration duration; (c) Migration distance; (d) Migration speed; (e) Step length; (f) Stopover duration. The white diamond in the box is the average level. The uppermost P value shows the significance levels from the ANOVA tests, and the P value between three groups shows the significance levels of individual Tukey-Kramer tests