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Table I

Fuel load and selected fire behaviour and temperature regime parameters during E. globulus slash burning. All values are means: the standard error is shown in brackets.

Broadcast burning Windrow burning
(n = 5) (n = 5)
Fuel loads
Total pre burn fuel load (t ha−1) 63.30 (0.44) 114.76 (0.74)
Total post burn fuel load (t ha−1) 22.72 (0.88) 17.94 (0.88)
Fire behaviour
Rate of fire spread (m min−1) 4.8 (1.8) 9.8 (3.7)
Flame length (m) 2 (0.5) 3 (0.2)
Fire linear intensity (kW m−1) 3114 (665) 8808 (1803)
Mean maximum temperature (°C)
Litter surface 487 (108) 720 (24)
Mineral soil surface 204 (69) 387 (133)
2 cm below mineral soil surface 47 (2) 68 (25)
Mean duration of temperature (s)
> 300 °C an, litter surface 258 (66) 1544 (209)
> 300 °C an, mineral soil surface 60 (68) 975 (628)