dendrochronology fire behaviour forest fires seasonal variation History Watersheds
The forest fire history of the Bull Run watershed in northwestern Oregon, USA, was evaluated using the natural fire rotation (NFR) technique to define the historical frequency, severity, and seasonality of fire in the watershed using tree-ring reconstructions and archival records. The average NFR over the last 500 years is 347 years, but the record is heavily influenced by a few large events. Fire severity is generally high, with most large fires occurring in summer to autumn. Fires that appear to have entered the watershed from its edge significantly influence the historical record. Because the Bull Run receives much more precipitation than watershed directly north or south, its high-severity fire regime contrasts with the moderate severity fire regime observed in these adjacent areas.
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Title
Forest fire regime of the Bull Run watershed, Oregon
Creators
James K. Agee (Author)
Frederick Krusemark (Author)
Publication Details
Northwest science., Vol.75(3), pp.292-306
Academic Unit
Northwest Science
Publisher
WSU Press
Identifiers
99900502848401842
Copyright
In copyright ; openAccess ; http://rightsstatements.org/vocab/InC/1.0/ ; http://purl.org/eprint/accessRights/OpenAccess