Table 2 Stand variables (mean ± standard deviation) for the area burned by a low intensity prescribed fire of compartment 292 at Blodgett Forest Research Station before, and three years after the burn, calculated from inventory data from 12 circular plots.
Pre-fire | Post-fire | |||||
|---|---|---|---|---|---|---|
Tree species | Stand density | dbh | Basal area | Stand density | dbh | Basal area |
N (ha−1) | (cm) | (m2ha−1) | N (ha−1) | (cm) | (m2ha−1) | |
Black oak | 13.4(1.4) | 41.6(9.1) | 1.9(0.2) | 13.4(1.4) | 41.6(9.1) | 1.9(0.2) |
Douglas-fir | 48.5(3.5) | 29.2(21.2) | 5.4(0.5) | 37.1(3.0) | 35.5(20.7) | 5.3(0.5) |
Incense-cedar | 243.5(14.1) | 18.8(3.4) | 9.1(0.4) | 158.9(9.6) | 23.9(4.5) | 8.4(0.4) |
Ponderosa pine | 3.1(0.6) | 75.3(25.2) | 1.5(0.1) | 3.1(0.6) | 75.3(25.2) | 1.5(0.1) |
Sugar pine | 12.4(1.71) | 80.4(24.4) | 6.9(0.9) | 12.4(1.4) | 80.4(24.4) | 6.9(0.9) |
Tan oak | 11.3(3.2) | 34.4(-) | 10.3(3.0) | 35.5(-) | 1.1(-) | |
White fir | 146.5(6.5) | 28.1(11.9) | 17.1(0.6) | 102.1(5.2) | 36.7(-) | 16.5(0.6) |
Total | 478.3(12.0) | 25.7(6.0) | 43.0(0.8) | 337.3(7.9) | 32.6(7.0) | 41.6(0.7) |