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Ecosystem

Displaying 5601 - 5620 of 6011 results

This FEIS species review synthesizes information on the relationship of Paxistima myrsinites (Oregon boxleaf) 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:

This work introduces remote sensing of biomass burning emissions using high-resolution Fourier transform infrared (FTIR) absorption spectroscopy over open paths in smoke plumes from biomass fires. There are several advantages to this type of smoke…
Author(s): David W. T. Griffith, William G. Mankin, Michael T. Coffey, Darold E. Ward, Allen R. Riebau
Year Published:

In a presentation to the USDA Forest Service's national Fire and Aviation Staff, Gleason provides a clear overview of his proposed Lookouts, Communication, Escape Routes, Safety Zones (LCES) method of training firefighters for greater safety. After…
Author(s): Paul Gleason
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:

Assessment of crown fire conditions calls for two important judgments: (1) identifying conditions for the onset of severe fires, and (2) predicting the spread rate, intensity, and size of expected crown fires. This paper addresses the second problem…
Author(s): Richard C. Rothermel
Year Published:

Describes results of prescribed burning 36 plots in northern ldaho mixed conifer logging slash. Fuel characteristics and methods for predicting duff and woody fuel consumption are reported. Guidelines are included for developing fire prescriptions.
Author(s): Elizabeth D. Reinhardt
Year Published:

Dendroecological methods were used to study the effects of wildfire on radial growth of Pseudotsuga mniiesii (Douglas-fir) and Pinus contorta (lodgepole pine) in the northern Rocky Mountains. Mean basal area increment during a 4-year postfire period…
Author(s): David L. Peterson, Michael J. Arbaugh, George H. Pollock, Lindsay J. Robinson
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:

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 Athyrium filix-femina (lady fern) 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:

Fine fuel moisture content, relative humidity, air temperature, and fire behavior were observed hourly for 48 hours on the North Fork Fire in Yellowstone National Park from August 25 to August 27, 1988. Fine fuel reached minimum moisture content of…
Author(s): Roberta A. Hartford, Richard C. Rothermel
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:

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 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 Symphoricarpos mollis (creeping snowberry) 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:

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:

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:

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:

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: