Migration parameters | Naoli River China Autumn (2016) (N = 4) | Western Mongolia Autumn (2018) (N = 5) | Results of Wilcoxon rank-sum test for differences between means | |||
---|---|---|---|---|---|---|
Mean ± SD | Median | Mean ± SD | Median | W | P | |
Start date | Oct 20 ± 1.3 (days) | 2016/10/20 | Sep 10 ± 16.9 (days) | 2018/9/2 |  −  |  −  |
End date | Nov 27 ± 11.5 (days) | 2016/11/30 | Nov 10 ± 9.3 (days) | 2018/11/8 |  −  |  −  |
Migration distance (km) | 2376 ± 161 | 2436 | 3466 ± 527 | 3685 | 0 | 0.0159 |
Migration duration (days) | 38.6 ± 10.6 | 40.9 | 61.0 ± 16.3 | 68.1 | 3 | 0.1111 |
Migration speed (km/day) | 68.4 ± 25.3 | 61.2 | 61.4 ± 21.9 | 54.1 | 13 | 0.5556 |
Number of stopovers | 1.75 ± 0.43 | 2.0 | 3.4 ± 1.02 | 3.0 | 1.5 | 0.0398 |
Stopover duration (days) | 31.2 ± 11.4 | 31.4 | 54.0 ± 14.6 | 59.3 | 3 | 0.1111 |
Daily travel speed (km/day) | 358 ± 104 | 353 | 545 ± 198 | 422 | 4 | 0.1905 |
Straightness index | 0.82 ± 0.05 | 0.83 | 0.78 ± 0.08 | 0.78 | 14 | 0.4127 |