Skip to Main Content
Relationships between prescribed burning and wildfire occurrence and intensity in pine-hardwood forests in north Mississippi, USAAuthor(s): Stephen Brewer; Corey Rogers
Source: International Journal of Wildland Fire, Vol. 15: 203-211
Publication Series: Miscellaneous Publication
PDF: View PDF (929 KB)
DescriptionUsing Geographic Information Systems and US Forest Service data, we examined relationships between prescribed burning (from 1979 to 2000) and the incidence, size, and intensity of wildfires (from 1995 to 2000) in a landscape containing formerly fire-suppressed, closed-canopy hardwood and pine-hardwood forests. Results of hazard (failure) analyses did not show an increased likelihood of large, small, or intense wildfires with an increase in the number of years since the last prescribed fire. Wildfires of various sizes and intensities were more likely to occur in years with lower than average precipitation, regardless of when these areas were last burned. Calculations of expected lightning-fire potential based on weather patterns predicted a peak in lightning-started fires in the early to late summer. Lightning fires were rare, however, and wildfire activity was greatest in the spring and fall. We hypothesize that the ineffectiveness of prescribed burning in reducing wildfire hazard and the low incidence of wildfires in the midsummer in north Mississippi are both artifacts of fire suppression in the past, which converted open oak-pine woodlands with persistent pyrogenic surface fuels that accumulated over time to closed-canopy forests that lack such fuels. We suggest that open canopies and grass-based surface fuels must first be restored before prescribed burning will achieve most desirable management goals in this region, including hazard reduction and ecological restoration of natural fire regimes.
- You may send email to email@example.com to request a hard copy of this publication.
- (Please specify exactly which publication you are requesting and your mailing address.)
CitationBrewer, Stephen; Rogers, Corey 2006. Relationships between prescribed burning and wildfire occurrence and intensity in pine-hardwood forests in north Mississippi, USA. International Journal of Wildland Fire, Vol. 15: 203-211
Keywordsecological restoration, fire management, fuel management, lightning, oak forests, survival or failure analysis
- Effects of understory prescribed burning on shortleaf pine (Pinus echinata Mill.)/mixed-hardwood forests
- Prescribed burning for oak savanna restoration in central Minnesota.
- Response of birds to fire in the American southwest
XML: View XML