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    Author(s): Melissa A. Thomas-Van Gundy; Gregory J. Nowacki; Thomas M. Schuler
    Date: 2007
    Source: Gen. Tech. Rep. NRS-12. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 24 p.
    Publication Series: General Technical Report (GTR)
    Station: Northern Research Station
    PDF: Download Publication  (3.22 MB)


    A rule-based approach was employed in GIS to map fire-adapted vegetation and fire regimes within the proclamation boundary of the Monongahela National Forest. Spatial analyses and maps were generated using ArcMap 9.1. The resulting fireadaptation scores were then categorized into standard fire regime groups. Fire regime group V (200+ yrs) was the most common, assigned to more than 510,000 ha, primarily in the Allegheny Mountains Section. Fire regime group I (low & mixed severity, 0-35 years) and fire regime group III (low & mixed severity, 35-200 yrs) were assigned to almost 198,000 ha, primarily in the Ridge and Valley Section and one subsection of the Allegheny Mountains Section. These systems will likely require active silviculture using fire and/or fire surrogates for their maintenance or restoration. The transparent rule-based procedure can be easily modified and, as such, possesses the flexibility for universal application to other ecosystems with similar spatial databases.

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    Thomas-Van Gundy, Melissa A.; Nowacki, Gregory J.; Schuler, Thomas M. 2007. Rule-based mapping of fire-adapted vegetation and fire regimes for the Monongahela National Forest. Gen. Tech. Rep. NRS-12. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northern Research Station. 24 p.


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    historical fire frequency, GIS, prescribed fire

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