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Ecosystem

Displaying 5681 - 5700 of 6073 results

This FEIS species review synthesizes information on the relationship of Carex lenticularis var. dolia (Kellog's sedge) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on…
Author(s): Tara Y. Williams, William C. Fischer
Year Published:

This FEIS species review synthesizes information on the relationship of Sorghastrum nutans (Indiangrass) 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:

National Park Service policies concerning fire have changed over the years from no policy at all in the early years, through years of absolute fire suppression, to a period of experimentation and refinement with a full spectrum of integrated fire…
Author(s): Jan W. van Wagtendonk
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:

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

An account is presented of the initial long range, 30-day, projections of fire growth of the wildfires in the Greater Yellow stone Area in 1988. The request for information, the method of prediction, and the actual fire growth are discussed and…
Author(s): Richard C. Rothermel
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 Ursus arctos horribilis (grizzly bear) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): S. A. Snyder
Year Published:

No single combination of five cutting-site preparation treatments resulted in superior natural regeneration in spruce-fir stands in Wyoming, Utah, and Idaho. Best results were generally obtained by partial cutting, with minimal disturbance of litter…
Author(s): Ward W. McCaughey, Carl E. Fiedler, Wyman C. Schmidt
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:

This FEIS species review synthesizes information on the relationship of Spiraea betulifolia (white spirea) 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 Spartina pectinata (prairie cordgrass) 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:

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:

The Greater Yellowstone fires of 1988 provide an opportunity to study important distinctions between lands managed for preservation versus multiple uses. We surveyed fuel loadings, fire severity, and fire damage to extensively managed, mature forest…
Author(s): Philip N. Omi, Kostas D. Kalabokidis
Year Published:

The Yellowstone fires of 1988 produced a mosaic of Pinus contorta stands subjected to fire of varying severities. In August, 1989, we inventoried density of vascular plants in paired plots at seven burned stands. One plot was in a severe canopy bum…
Author(s): Jay E. Anderson, William H. Romme
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:

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:

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: