Table 3 Stand variables (mean ± standard deviation) for the area burned by a high intensity prescribed fire of compartment 292 at Blodgett Forest Research Station before, and two 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 | 1.9(0.4) | 50.8(49.2) | 0.57(0.4) | - | - | |
Douglas-fir | 14.3(1.0) | 26.9(24.5) | 1.74(0.3) | 4.8(0.7) | 59.3(22.8) | 1.6(0.4) |
Incense-cedar | 260.9(12.0) | 19.4(4.8) | 10.6(0.3) | 76.2(3.4) | 31.7(4.8) | 6.7(0.3) |
Ponderosa pine | 9.5(0.7) | 73.6(12.0) | 4.3(0.2) | 8.6(0.7) | 74.3(12.0) | 3.9(0.2) |
Sugar pine | 9.5(1.2) | 75.3(18.7) | 4.6(0.4) | 8.6(1.2) | 77.7(15.2) | 4.4(0.4) |
Tan oak | 4.8(1.4) | 9.9(-) | 0.1(-) | - | - | - |
White fir | 215.2(11.2) | 17.4(13.5) | 13.8(0.6) | 49.5(2.6) | 50.4(18.0) | 11.7(0.6) |
Total | 516.1(18.4) | 20.8(8.7) | 35.7(0.9) | 147.7(6.1) | 44.1(10.1) | 28.3(1.0) |