Table 1. Summary of fire effects after a 2003 wildfire in a Jeffrey pine-mixed conifer forest in the Sierra San Pedro Martir (SSPM), northwestern Mexico (n=27 plots). SE, one standard error of the mean; PCVS, percent crown volume scorched. Data from 2006.
| |
| |
|
Forest stand characteristic |
Average
(SE) |
Median |
Minimum |
Maximum |
| |
|
Slope (%) |
36.0 (2.7) |
35.0 |
5.0 |
60.0 |
|
Canopy Cover (%) |
28.4 (2.1) |
28.0 |
12.0 |
52.0 |
|
PCVS |
18.6 (3.4) |
12.5 |
0 |
62.3 |
|
Scorch height (m) |
2.7 (0.5) |
1.7 |
0 |
10.6 |
|
Bark char height (m) |
1.5 (0.3) |
1.0 |
0 |
6.7 |
|
Tree mortality (%) |
21.8 (5.3) |
12.5 |
0 |
100 |
|
Seedling mortality (%) |
45.4 (7.1) |
40 |
0 |
100 |
|
Shrub cover mortality (%) |
7.4 (1.9) |
3.7 |
0 |
32.3 |
|
| |
|