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. 2014 Feb 11;9(2):e86588. doi: 10.1371/journal.pone.0086588

Table 3. Model and parameter estimates for models explaining the variance in the relative timing deviations exhibited by Hudsonian godwits during their annual cycle (2009–2012).

Model Parameters Random Effects Fixed Effects
K σ2 St. Dev. Variable β SE t
Departure from Beluga River Prior Breeding Success + Prior # Nests Ind. 2.57 1.60 Intercept −5.23 3.05 −1.72
Year 0.00 0.00 PBS 2.98 1.95 1.52
Res. 32.91 5.74 P#N 3.34 1.98 1.68
Departure from Saskatchewan Beluga River Departure Ind. 4.92 2.22 Intercept 0.39 1.10 0.35
Year 0.00 0.00 BRD 0.76 0.17 4.40
Res. 52.07 7.22
Departure from Amazon BRD + Sask. Departure Ind. 44.60 6.68 Intercept −0.16 1.71 −0.10
Year 0.00 0.00 BRD 0.11 0.24 0.45
Res. 49.74 7.05 SAD 1.02 0.16 6.21
Departure from Buenos Aires SAD + Amazon Departure Ind. 36.64 6.05 Intercept 1.13 1.77 0.64
Year 0.00 0.00 SAD 0.03 0.23 0.15
Res. 68.20 8.26 AMD 0.73 0.17 4.34
Arrival in Chiloe AMD + Buenos Aires Departure Ind. 1.31 1.15 Intercept −0.39 0.68 −0.57
Year 0.00 0.00 AMD −0.00 0.08 −0.01
Res. 18.74 4.33 BAD 0.97 0.07 14.5
Departure from Chiloe BAD + Arrival in Chiloe Ind. 3.54 1.88 Intercept −0.25 0.53 −0.46
Year 0.00 0.00 BAD −0.03 0.10 −0.33
Res. 4.16 2.04 ACH 0.05 0.09 0.55
Arrival in Beluga River Chiloé Departure + N.A. Arr. + #Stops + Avg. Stop. Duration Ind. 1.24 1.11 Intercept −8.05 2.10 −3.84
Year 0.88 0.94 CHD 0.25 0.24 1.06
Res. 2.80 1.67 NAA 0.39 0.23 1.69
Stops 2.19 0.51 4.33
ASD 0.32 0.11 2.85

Bold-font variance and t-statistic values were determined to be significant at P<0.05 (n = 26).