Appendix 2.
Year Number age-sex categories
Mean speed Standard deviation
1998 4 25.3 11.4
1999 4 32.3 8.79
2000 4 31.3 5.61
2001 4 53.1 5.32
2002 4 40.6 5.97
2003 4 36.7 12.4
2004 4 35.8 14.3
2005 4 38.6 13.0
2006 4 31.3 13.5
2007 3* 39.1 8.10
2008 4 29.2 9.23
2009 4 68.5 22.4
2010 4 53.8 18.7
2011 4 43.9 12.2
2012 4 28.5 8.09
2013 4 27.8 7.64
Fig. A2.1. Yearly migration speed, all age-sex categories combined.
* Year 2007 does not include data from the adult male category.