Table 1. Fuel and structural parameters used in this study.

Parameter	Collection methods	Stratum
Surface fuel load	Characterised for each vegetation type by direct measurement at 12% of sites.	9.6–24.3 t.ha-1
		Near-surface (m; $\overline{\mathit{x}}$, range)	Elevated (m; $\overline{\mathit{x}}$, range)	Midstorey (m; $\overline{\mathit{x}}$, range)	Canopy (m; $\overline{\mathit{x}}$, range)
Plant separation	Calculated from survey for each site	0.7, 0.1–3.6	2.8, 0.7–8.9	9.3, 3.2–26.4	8.4, 0.0–14.1
Crown base centre height	Measured from photograph as proportion of crown height	0.0, 0.0–0.6	0.7, 0.0–2.5	3.2, 0.2–9.5	10.5, 1.3–22.6
Crown base edge height	Measured from photograph as proportion of crown height	0.0, 0.0–0.8	0.9, 0.1–2.7	4.3, 0.3–10.2	11.6, 2.3–25.1
Crown height	Direct measurement in survey for each site	0.3, 0.1–1.0	2.0, 0.2–6.0	8.8, 2.0–15.0	18.2, 8.0–35.0
Crown top edge height	Measured from photograph as proportion of crown height	0.2, 0.0–1.0	1.6, 0.1–4.0	7.1, 1.7–14.6	20.6, 7.0–33.6
Crown width	Measured from photograph as proportion of crown height in all strata except trees, where it was calculated from survey results	0.4, 0.1–1.9	1.5, 0.4–4.2	4.3, 1.5–10.2	4.7, 2.8–6.8