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Ecosystem

Displaying 4601 - 4620 of 6072 results

Recent controversy concerning post-fire logging in Oregon is emblematic of the problems of "salvage logging" globally. Although tree regenernation after disturbances in forested areas is important, a narrow view of this issue ignores important…
Author(s): Dominick A. DellaSala, James R. Karr, Tania L. Schoennagel, David A. Perry, Reed F. Noss, David B. Lindenmayer, Robert L. Beschta, Richard L. Hutto, Mark E. Swanson, Jon Evans
Year Published:

A new software tool has been developed to simulate surface wind speed and direction at the 100m to 300 m scale. This tool is useful when trying to estimate fire behavior in mountainous terrain. It is based on widely used computational fluid dynamics…
Author(s): Bret W. Butler, Mark A. Finney, Larry S. Bradshaw, Jason M. Forthofer, Charles W. McHugh, Rick Stratton, Daniel M. Jimenez
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Little is known regarding how fire exclusion influences nitrogen (N) cycling in low elevation forests of western Montana. Nor is it clear how the change in fire frequency that has resulted from forest management has influenced ecosystem function in…
Author(s): M. Derek MacKenzie, Thomas H. DeLuca, Anna Sala
Year Published:

We use Fuel Treatment Evaluator (FTE) 3.0 to estimate how many acres might be treated near three western communities (Pagosa Springs, Colorado; Hamilton, Montana; Colville, Washington) for which the value of biomass removed covers the treatment cost…
Author(s): U.S. Department of Agriculture, Forest Service
Year Published:

This FEIS species review synthesizes information on the relationship of Cercocarpus montanus (true mountain-mahogany) to fire--how fire affects the species and its habitat, effects of the species on fuels and fire regimes, and fire management…
Author(s): Corey L. Gucker
Year Published:

We provide highlights of some of the results thus far for the National Fire and Fire Surrogate study (FFS). Highlights summarize work that has been published within the last four years (2003-2006), primarily in theses, proceedings, general technical…
Author(s): James D. McIver, Phil Weatherspoon
Year Published:

On 3 April 2006, the U.S. weekly news magazine Time ran a report on global warming with the cover title “Be worried, be very worried.” Similar coverage of global warming has emerged in other general-interest magazines in recent months, triggered by…
Author(s): Steven W. Running
Year Published:

Forests provide numerous benefits for society, including fibre, wildlife and recreation. Forest managers are challenged to balance ecosystem health with maintaining public forest lands for multiple uses. During the first half of the last century,…
Author(s): William J. Elliot
Year Published:

Following passage of the 1998 National Parks Omnibus Management Act (also known as the Thomas Bill), the National Park Service (NPS) secured funding through the Natural Resource Challenge (NRC) to promote scientifically sound management of parks,…
Author(s): Vita Wright
Year Published:

This paper summarizes a select set of research studies conducted over the past 40 years, drawing conclusions on trends in public attitudes about the use of wildland fire in federally designated Wilderness. The research includes trend studies…
Author(s): Katie Knotek
Year Published:

This FEIS species review synthesizes information on the relationship of Cercocarpus ledifolius (curlleaf mountain-mahogany) to fire--how fire affects the species and its habitat, effects of the species on fuels and fire regimes, and fire management…
Author(s): Corey L. Gucker
Year Published:

This FEIS species review synthesizes information on the relationship of Piranga ludoviciana (western tanager) to fire--how fire affects the species and its habitat, effects of the species on fuels and fire regimes, and fire management considerations…
Author(s): Rachelle Meyer
Year Published:

This FEIS species review synthesizes information on the relationship of Eleocharis palustris (common spikerush) to fire--how fire affects the species and its habitat, effects of the species on fuels and fire regimes, and fire management…
Author(s): Alan S. Hauser
Year Published:

This FEIS species review synthesizes information on the relationship of Vulpia octoflora (sixweeks grass) to fire--how fire affects the species and its habitat, effects of the species on fuels and fire regimes, and fire management considerations.…
Author(s): Janet L. Howard
Year Published:

Alternative silvicultural treatments such as thinning can be used to restore forested watersheds and reduce wildfire hazards, but the hydrologic effects of these treatments are not well defined. We evaluated the effect of two shelterwood-with-…
Author(s): Scott W. Woods, Robert S. Ahl, Jason Sappington, Ward W. McCaughey
Year Published:

American society has a general cultural bias toward controlling nature (Glover 2000) and, in particular, a strong bias for suppressing wildfire, even in wilderness (Saveland et al. 1988). Nevertheless, the Federal Wildland Fire Management Policy…
Author(s): Dustin Doane, Jay O'Laughlin, Penelope Morgan, Carol Miller
Year Published:

We reviewed the behavior of wildfire in riparian zones, primarily in the western United States, and the potential ecological consequences of postfire logging. Fire behavior in riparian zones is complex, but many aquatic and riparian organisms…
Author(s): Gordon H. Reeves, Peter A. Bisson, Bruce E. Rieman, Lee E. Benda
Year Published:

We present data from a study of early conifer regeneration and fuel loads after the 2002 Biscuit Fire, Oregon, USA, with and without postfire logging. Natural conifer regeneration was abundant after the high-severity fire. Postfire logging reduced…
Author(s): Daniel C. Donato, Joseph B. Fontaine, John L. Campbell, William D. Robinson, J. Boone Kauffman, Beverly E. Law
Year Published:

This FEIS species review synthesizes information on the relationship of Rosa arkansana (prairie rose) to fire--how fire affects the species and its habitat, effects of the species on fuels and fire regimes, and fire management considerations.…
Author(s): Alan S. Hauser
Year Published:

Fire management practices affect alien plant invasions in diverse ways. I considered the impact of six fire management practices on alien invasions: fire suppression, forest fuel reduction, prescription burning in crown-fire ecosystems, fuel breaks…
Author(s): Jon E. Keeley
Year Published: