Table 1.

Coefficients of the generalized linear mixed models for seed germination and seed mortality in relation to the heat shock treatments (100 °C 1 min, 100 °C 3 min, 200 °C 1 min) and vegetation type (forest trees, woody savanna trees, grassy savanna shrubs) – the 100 °C 1 min treatment (lowest heat dose) and forest vegetation type (fire-free) were considered as the baseline (intercept) in the analyses

	Germination			Mortality
	Estimate	s.e.	P	Estimate	s.e.	P
Intercept (forest and 100 °C 1 min)	0.012	0.065	—	−4.051	0.481	—
Treatment (100 °C 3 min)	−−0.166	0.069	n.s.	1.971	0.206	<0.001
Treatment (200 °C 1 min)	−0.105	0.069	n.s.	2.170	0.204	<0.001
Woody savanna	−0.076	0.101	n.s.	1.168	0.732	n.s.
Grassy savanna	−0.037	0.081	n.s.	0.987	0.588	n.s.
Treatment 100 °C 3 min × woody savanna	0.041	0.110	n.s.	−0.075	0.295	n.s.
Treatment 100 °C 3 min × grassy savanna	0.190	0.087	n.s.	−0.431	0.242	n.s.
Treat 200 °C 1 min × woody savanna	−0.106	0.107	n.s.	−0.478	0.288	n.s.
Treat 200 °C 1 min × grassy savanna	−0.012	0.086	n.s.	0.688	0.239	0.004

s.e. = standard error; n.s. = non-significant.