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Ecosystem

Displaying 4401 - 4420 of 6073 results

Since European settlement, Utah's vegetative landscapes have changed. Like other arid states, these wildland systems were depleted and altered. Certain steps were taken through private, community, and finally public efforts, such as…
Author(s): Joel A. Frandsen
Year Published:

This chapter presents a stated preference technique for estimating the public benefits of reducing wildfires to residents of California, Florida, and Montana from two alternative fuel reduction programs: prescribed burning, and mechanical fuels…
Author(s): John B. Loomis, Armando Gonzalez-Caban
Year Published:

We compared the spatial characteristics of fire severity patches within individual fire "runs" (contiguous polygons burned during a given day) resulting from a 72,000 ha fire in central Idaho in 1994. Our hypothesis was that patch…
Author(s): Calvin A. Farris, Ellis Q. Margolis, John A. Kupfer
Year Published:

Most studies of wildland fire and residential development have focused on the cost of firefighting and solutions such as fuel reduction and fire-safe home building. Although some studies quantify the number of homes being built near forests, little…
Author(s): Patricia Gude, Ray Rasker, Jeff van den Noort
Year Published:

Bromus tectorum (cheatgrass) is an invasive annual that occupies perennial grass and shrub communities throughout the western United States. Bronus tectorum exhibits an intriguing spatio-temporal pattern of invasion in low elevation ponderosa pine…
Author(s): Michael J. Gundale, Steve Sutherland, Thomas H. DeLuca
Year Published:

Surface fuel deposition and decomposition rates are important to fire management and research because they can define the longevity of fuel treatments in time and space and they can be used to design, build, test, and validate complex fire and…
Author(s): Robert E. Keane
Year Published:

Soils are fundamental to a healthy and functioning ecosystem. Therefore, forest land managers can greatly benefit from a more thorough understanding of the ecological impacts of fire and fuel management activities on the vital services soils provide…
Author(s): Heather E. Erickson, Rachel White
Year Published:

In recent history, there has not been a more ecologically important event than the introduction of cheatgrass (Bromus tectorum) and red brome (Bromus rubens) into the Intermountain West. These grasses are very similar in ecology and history and are…
Author(s): Chad R. Reid, Sherel Goodrich, James E. Bowns
Year Published:

Until late in the nineteenth century, magnificent ponderosa pine forests blanketed much of the inland West. They covered perhaps 30 million acres, an area the size of New York state, spreading across the mountains of New Mexico, Arizona, and…
Author(s): Stephen F. Arno, Lars Ostlund, Robert E. Keane
Year Published:

ANNOTATION: The potential markets for forest residues can be classified into four primary categories. This paper deals with each of these categories separately, and attempts to indicate some of the major influences which are expected to change the…
Author(s): Rhodes Yepsen
Year Published:

We characterised the remarkable heterogeneity following the large, severe fires of 1988 in Yellowstone National Park (YNP), in the northern Rocky Mountains, Wyoming, USA, by focussing on spatial variation in post-fire structure, composition and…
Author(s): Tania L. Schoennagel, Erica A. H. Smithwick, Monica G. Turner
Year Published:

A map of large fires across the western United States.
Author(s): Wendel J. Hann
Year Published:

This FEIS species review synthesizes information on the relationship of Aulacomnium palustre (ribbed bog moss) to fire--how fire affects the species and its habitat, effects of the species on fuels and fire regimes, and fire management…
Author(s): Janet L. Fryer
Year Published:

This FEIS species review synthesizes information on the relationship of Potentilla glandulosa (sticky cinquefoil) to fire--how fire affects the species and its habitat, effects of the species on fuels and fire regimes, and fire management…
Author(s): Sonja L. Reeves
Year Published:

Recently burned basins frequently produce debris flows in response to moderate-to-severe rainfall. Post-fire hazard assessments of debris flows are most useful when they predict the volume of material that may flow out of a burned basin. This study…
Author(s): J. E. Gartner, Susan H. Cannon, Paul M. Santi, Victor G. Dewolfe
Year Published:

Millions of dollars are spent each year in the United States to mitigate the effects of wildfires and reduce the risk of flash floods and debris flows. Research from forested, chaparral, and rangeland communities indicate that severe wildfires can…
Author(s): Frederick B. Pierson, Peter R. Robichaud, Corey A. Moffet, Kenneth E. Spaeth, Christopher Jason Williams, Stuart P. Hardegree, Patrick E. Clark
Year Published:

OBJECTIVE: The purpose of this study was to compare the effects of a water + electrolyte solution versus plain water on changes in drinking behaviors, hydration status, and body temperatures during wildfire suppression. METHODS: Eight participants…
Author(s): John S. Cuddy, J.A. Ham, S.G. Harger, D.R. Slivka, Brent Ruby
Year Published:

This is an article geared towards children's education. It encourages kids to go outside and match plants with their underground root structures, ie 'buried treasure.' There are answers provided on page 12.
Author(s): Jane Kapler Smith, Nancy E. McMurray
Year Published:

Alluvial fan deposits are widespread and preserve millennial-length records of fire. We used these records to examine changes in fire regimes over the last 2000 years in Yellowstone National Park mixed-conifer forests and drier central Idaho…
Author(s): Jennifer L. Pierce, Grant A. Meyer
Year Published:

A methodology for incident decomposition and reconstruction is developed based on the concept of an "event-frame model." The event-frame model characterizes a fire incident in terms of (a) environmental events that pertain to the fire and the fire…
Author(s): Donald G. MacGregor, Armando Gonzalez-Caban
Year Published: