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Table 4 Predictor variables and p-values in final models of trip metrics relative to PC axes

From: Foraging behavior links climate variability and reproduction in North Pacific albatrosses

Model variables Dominant environmental variables in PCs Farthest distance traveled Trip duration Proportion of Trips North of TZCF
Laysan Albatross- Incubating trips
(Intercept) NS NS NS
Black-footed Albatross-Incubating trips
(Intercept) 2.00E-16 NS NS
PC 2 BFAL, incubating MEI (−), NPGO (+), Dist. TZCF (+) 4.60E-02   
R2 0.11   
Laysan Albatross-Brooding trips
(Intercept) 2.00E-16 3.30E-16 2.00E-16
PC 1 LAAL, brooding MEI (−), NPGO (+), Dist. TZCF (+), SST (+) 1.83E-02   4.62E-02
PC 2 LAAL, brooding Dist. TZCF (+) 1.22E-02 4.60E-02  
R2 0.21 0.11 0.16
Black-footed Albatross-Brooding trips
(Intercept) 2.00E-16 7.01E-11 NS
PC 1 BFAL, brooding MEI (−), NPGO (+), Dist. TZCF (+), SST (−) 9.68E-08 4.20E-02  
R2 0.17 0.085  
  1. NS indicates that final models were not significant (p > 0.05). Relationships with dominant environmental variables (loadings >0.3) are shown for each PC.