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PURPOSE: Alternatives for the planning and management of 6.7 million acres of public lands and resources administered by the Bureau of Land Management (BLM), Eastern Interior and Central Yukon field offices, Alaska are proposed. The lands covered by the proposed Resource Management Plan (RMP) include the White Mountains National Recreation Area (NRA), Steese National Conservation Area (NCA), Fortymile area, three wild and scenic rivers, and lands in the upper Black River and greater Fairbanks area currently not included in a land use plan. While the planning area is bounded by the Elliott and Dalton Highways on the West, the Alaska Highway on the South, and has the Steese and Taylor Highways within its boundaries,...
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This paper quantifies the influence of anthropogenic linear disturbances on fire ignition frequency in the boreal forests of western Canada. Specifically, we tested if linear features increase the frequency of lightning fires, and whether this relationship is affected by spatial resolution. We considered fires that ignited between 1995 and 2002 within a similar to 67 000 km(2) region of boreal mixed- wood forest in north-eastern Alberta where linear features are highly abundant and spatially heterogeneous. We constructed Poisson, Negative Binomial and Zero-Inflated Poisson models at two spatial resolutions (similar to 10 000 and similar to 2400 ha), including covariates for linear feature densities, forest composition,...
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The emulation of natural disturbances such as fire is a prominent harvest management strategy for ecosystems in Canada's boreal forest region, but the effect of harvesting on subsequent lightning fire occurrence has not been studied systematically in the mixedwood boreal forest. We quantified the relationship between annual patterns of lightning fire initiation, forest composition, lightning, and fire weather conditions over eight years (1994-2001) in a 60,000 km(2) region of actively harvested mixedwood boreal forest in western Canada. Our analyses illustrated that forest harvesting and burning had opposite effects on subsequent fire initiation, so harvest was not a surrogate for fire. Fire initiation increased...
    map background search result map search result map Road network density correlated with increased lightning fire incidence in the Canadian western boreal forest Disturbance history affects lightning fire initiation in the mixedwood boreal forest: Observations and simulations Responses of boreal fire regimes to climatic and land-cover changes: Perspectives from multiple spatiotemporal scales Responses of boreal fire regimes to climatic and land-cover changes: Perspectives from multiple spatiotemporal scales Road network density correlated with increased lightning fire incidence in the Canadian western boreal forest Disturbance history affects lightning fire initiation in the mixedwood boreal forest: Observations and simulations