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Ecosystem

Displaying 5641 - 5660 of 6051 results

This FEIS species review synthesizes information on the relationship of Salix planifolia (planeleaf willow) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Ronald Uchytil
Year Published:

Wildland fire is a significant component of nearly all North American ecosystems. High intensity, stand-replacement fires are normal in certain ecosystems, especially in the northern Rocky Mountains. Wilderness fire managers are obligated to let…
Author(s): Jack D. Cohen
Year Published:

Presettlement fire played an important role in nutrient conversion, plant succession, diversity, and stand dynamics in coniferous forests of western North America. Prescribed fire can maintain site quality and contribute to control of insect and…
Author(s): Roger D. Hungerford, Michael G. Harrington, William H. Frandsen, Kevin C. Ryan, Gerald J. Niehoff
Year Published:

Litter arthropod data was collected every 10 days from nine intensively burned forest stands, five lightly burned stands, and nine unburned forest stands. For burned forest stands (n=540 samples, there were decreases in insect density (87 percent),…
Author(s): Tim A. Christiansen, Robert J. Lavigne, Jeffrey A. Lockwood
Year Published:

Fuel accumulations were measured in duff mounds around the bases of 19 mature Pinus ponderosa Laws. (ponderosa pine) in a 200-year-old stand in Glacier National Park, Montana. Tree diameter at breast height ranged from 50 to 114 cm (mean = 80 cm).…
Author(s): Kevin C. Ryan, William H. Frandsen
Year Published:

Various studies report changes in phosphorus and nitrogen concentrations in surface waters after wildfires; however, we have found no reports which include nutrient data collected during actual wildfire activity. We had an opportunity to collect…
Author(s): Craig N. Spencer, F. Richard Hauer
Year Published:

This FEIS species review synthesizes information on the relationship of Arctostaphylos uva-ursi (kinnikinnick) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Marilyn F. Crane
Year Published:

This FEIS species review synthesizes information on the relationship of Crataegus douglasii (black hawthorn) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): James R. Habeck
Year Published:

In 1967 and 1968, seven south- and east-facing units, averaging 4-ha each, in a western larch forest of northwest Montana were (1) clearcut and burned by prescribed fire or wildfire, (2) clearcut and unburned, or (3) uncut and burned by wildfire.…
Author(s): Raymond C. Shearer, Peter F. Stickney
Year Published:

This FEIS species review synthesizes information on the relationship of Canis lupus (gray wolf) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species' taxonomy,…
Author(s): S. A. Snyder
Year Published:

A landslide is the movement of a mass of rock, earth or debris down a slope.
Author(s): David Milne Cruden
Year Published:

During the afternoon of August 29, 1985, the Butte Fire made a high-intensity crown fire run, covering a distance of 2.22 km in one hour and 40 minutes, and forcing 73 fire fighters to deploy their protective fire shelters. This paper presents a…
Author(s): Martin E. Alexander
Year Published:

This FEIS species review synthesizes information on the relationship of Hesperostipa spartea (porcupine grass) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Crystal J. Walkup
Year Published:

Fire affects nutrient cycling and the physical, chemical, and biological properties of soils occupied by western montane forests. Combustion of litter and soil organic matter (OM) increases the availability of some nutrients, although others are…
Author(s): Leonard F. DeBano
Year Published:

The large forest fires in and around Yellowstone National Park in 1988 bring up many ecological questions, including the role of bark beetles. Bark beetles may contribute to fuel buildup over the years preceding a fire, resulting in stand…
Author(s): Gene D. Amman
Year Published:

Experimental burns were conducted on 36 plots in mixed conifer logging slash in northern Idaho to investigate consumption of duff and woody fuel. Fires were conducted in spring and fall, in YUM (yarded unmerchantable material) and non-YUM dearcuts…
Author(s): James K. Brown, Elizabeth D. Reinhardt, William C. Fischer
Year Published:

Adaptive resource management is a continuous learning process in which current knowledge always leads to further experimentation and discovery. Adaptive management evolves by learning from mistakes. Designing adaptive management strategies involves…
Author(s): James M. Saveland
Year Published:

This FEIS species review synthesizes information on the relationship of Larix lyallii (subalpine larch) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): James R. Habeck
Year Published:

This FEIS species review synthesizes information on the relationship of Shepherdia canadensis (russet buffaloberry) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the…
Author(s): Crystal J. Walkup
Year Published:

This FEIS species review synthesizes information on the relationship of Salix drummondiana (Drummond willow) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Ronald Uchytil
Year Published: