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. 2016 Mar 3;11(3):e0149594. doi: 10.1371/journal.pone.0149594

Table 2. The impact of “Starting Date” on the model outputs of migration parameters.

Results are the averaged output for the 41 moose used in this study. The model outputs show estimates of distance (km2), timing (“From” is the start date of migration and “To” is the end date of migration) and duration (number of days) of the migrations. As per Fig 1, Migration 1 or 2 can be either a spring or autumn migration depending on the starting date of the data. For moose in northern Sweden, spring migrations occur in May and June and autumn migrations occur between November and January. For the quantification of start and end of migration, we used the formulas mentioned in Table 1.

Migration 1 Migration 2
Dataset Distance (km2) From To Duration From To Duration
Mar'08 9892 02/06/2008 20/06/2008 18 10/11/2008 18/12/2008 39
Apr'08 9616 30/05/2008 17/06/2008 18 07/11/2008 19/12/2008 42
May'08 10003 02/06/2008 21/06/2008 19 06/11/2008 18/12/2008 42
Jun'08 6158 05/10/2008 26/10/2008 21 16/03/2009 12/04/2009 27
Jul'08 8237 01/12/2008 24/12/2008 23 22/04/2009 13/05/2009 21
Aug'08 10301 02/12/2008 27/12/2008 24 29/04/2009 31/05/2009 31
Sep'08 9485 02/12/2008 28/12/2008 26 06/05/2009 26/05/2009 20
Oct'08 9528 12/12/2008 05/01/2009 24 08/05/2009 31/05/2009 23
Nov'08 7873 14/12/2008 09/01/2009 26 08/05/2009 01/06/2009 24
Dec'08 8554 16/01/2009 13/02/2009 28 18/06/2009 23/07/2009 35
Jan'09 7712 01/04/2009 20/04/2009 18 10/09/2009 22/11/2009 73
Feb'09 10461 25/05/2009 11/06/2009 17 10/11/2009 09/01/2010 61