Table 4 Fire size (ha) and the number of fires considered in the return interval calculation, the area (ha) reburned by those fires, and the return interval (yr) for prescribed fires, wildfires, and fire use fires >40 ha in Yosemite National Park, 1974 through 2005.
From: Fire Regime Attributes of Wildland Fires in Yosemite National Park, USA
Fire management type | Size | Return interval | ||||
|---|---|---|---|---|---|---|
Mean | SD | Fires | Area | Mean | SD | |
| Â | ha | no. | ha | ....... yr ....... | ||
Prescribed fire | 481.4 | 544.8 | 25 | 6,963.3 | 7.3 | 5.9 |
Wildfire | 2,059.2 | 5,438.7 | 20 | 2,266.5 | 8.9 | 6.8 |
Fire use | 503.0 | 723.5 | 37 | 4,608.9 | 11.4 | 5.4 |
All fires | 835.9 | 2,654.2 | 82 | 13,838.7 | 9.6 | 6.1 |