Table 4 in Acoustic monitoring reveals the times and tides of harbor porpoise (Phocoena phocoena) distribution off central Oregon, U. S. A.

Table 4. Predictor environmental variables in generalized additive models (GAM) of harbor porpoise echolocation activity and their significance, with deviance explained of entire model. ReefReefOffshoreOffshorePredictorPPMBPMPPMBPMJulian day<0.001c<0.001c<0.001c<0.001cDiel phase:Morning————Day Evening Night— — 0.01a— — —— 0.003b 0.04a— <0.001cTidal phase0.05—0.05—Julian day × Dielphase: Morning Day Evening Night Julian day × Tidal— — <0.001c <0.001c 0.02a— 0.04a 0.001b <0.001c <0.001c— <0.001c <0.001c <0.001c —<0.001c <0.001c — —phaseDiel phase × Tidal————phaseDeviance explained6.9%13.7%11.5%13.2% a Significant at the 0.05 probability level. b Significant at the 0.01 probability level. c Significant at the 0.001 probability level.