Table 1. Summary results of the four Generalised Additive Mixed Effects Models used to assess the temporal trends in the foraging effort of female Australian fur seals provisioning young at Kanowna Island, Bass Strait, Australia.

Response variables	Predictor variables	Parametric coefficients			Approximate significance of smooth terms
		Est	SE	t	edf	F
Proportion of time diving	intercept	0.51	0.01	39.49
	hour of day				10.69	46.35
	Julian day				5.27	16.77
	n days into trip				6.10	141.81
Mean dive duration (s)	intercept	184.10	3.87	47.57
	hour of day				9.15	51.80
	Julian day				4.72	58.79
	n days into trip				9.17	23.88
Vertical dive effort (m/hr)	intercept	1303	36.26	35.94
	hour of the day				9.85	192.18
	Julian day				6.10	53.27
	n days into trip				7.9	11.56
Mean postdive duration (s)	intercept	105.50	2.36	44.65
	hour of the day				13.05	12.37
	Julian day				6.318	28.57
	n days into trip				1.74	33.97

Est: estimated parametric coefficient. SE: estimated standard error of parametric coefficient. Non-parametric smooth terms from these models have been, later, presented grouped by the predictor variables (each timescale), rather than the individual model.

All p-values were <0.0001.