Fire Ecology

Table 1b Normalized Mantel test statistics for pre-fire and post-fire measurements of forest structure and understory community composition. Mantel test statistics in bold signify significant spatial correlations within experimental units at α = 0.05.

From: Negligible Influence of Spatial Autocorrelation in the Assessment of Fire Effects in a Mixed Conifer Forest

				Mantel r
Observation	Treatment	Stand density (stems ha⁻¹)	Basal area (m² ha⁻¹)	Forb cover (%)	Graminoid cover (%)	Shrub cover (%)	Species richness (m²)
	early	−0.0214	0.0046	−0.0574	0.1624	−0.1282	−0.1241
	early	0.0664	0.0454	0.2591	−0.0434	0.4878	0.4589
	early	0.0459	0.0297	0.0781	0.0021	0.0961	0.1743
	late	0.1907	0.0830	−0.0162	−0.2049	−0.1395	−0.2009
Pre-fire	late	0.3339	−0.1076	−0.0544	0.3857	−0.0753	0.2311
	late	0.0156	0.1366	−0.0358	0.0495	0.2654	−0.1754
	unburned	0.1313	0.1064	0.4808	0.1083	0.2900	0.2333
	unburned	0.4008	0.3319	−0.1771	0.1789	−0.1207	−0.1056
	unburned	−0.0372	−0.1592	0.0045	0.1470	−0.0513	−0.0950
	early	0.4763	−0.0393	0.0168	−0.0029	0.2973	−0.0155
	early	−0.2356	0.0397	0.1430	−0.0480	−0.0185	0.2230
	early	0.2779	−0.0373	0.0191	0.0564	−0.2011	0.0013
Post-fire	late	−0.0844	−0.2104	−0.1105	−0.0790	−0.0584	−0.1062
Post-fire	late	0.1009	0.0935	0.0673	−0.0742	−0.1050	−0.0010
	late	0.4551	0.2165	0.0049	−0.0055	0.1364	0.1905
	unburned	0.2032	0.1414	0.5612	0.3111	0.2978	0.1827
	unburned	0.3826	0.3597	−0.0660	0.1680	−0.0039	−0.1181
	unburned	−0.0320	−0.1168	0.1633	−0.0147	0.1916	−0.1625

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