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Ecosystem

Displaying 4761 - 4780 of 6073 results

The natural fuels stereo photo series is a collection of geo-referenced data and photographs that display a range of natural conditions, fuel loadings, and other fuelbed characteristics in a wide variety of forest-, woodland-, shrub-, and grass-…
Author(s): Roger D. Ottmar
Year Published:

This state-of-knowledge review about the effects of fire on soils and water can assist land and fire managers with information on the physical, chemical, and biological effects of fire needed to successfully conduct ecosystem management, and…
Author(s): Daniel G. Neary, Kevin C. Ryan, Leonard F. DeBano
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Quantitative fire risk analysis depends on characterizing and combining fire behavior probabilities and effects. Fire behavior probabilities are different from fire occurrence statistics (historic numbers or probabilities of discovered ignitions)…
Author(s): Mark A. Finney
Year Published:

Accident investigators at any level are challenged with identifying causal factors and making preventative recommendations. This task can be particularly complicated considering that 70-80% of accidents are associated with human error. Due to…
Author(s): Michelle Ryerson, Chuck Whitlock
Year Published:

This FEIS species review synthesizes information on the relationship of Clintonia uniflora (queencup beadlily) to fire--how fire affects the species and its habitat, effects of the species on fuels and fire regimes, and fire management…
Author(s): Rachelle Meyer
Year Published:

This paper is an executive summary of concepts presented in a slide show presentation by Ted Putnam at the 8th Annual Wildland Fire Safety Summit in Missoula, Montana (April 2005). Putnam reviews the eastern notion of the mind, and makes suggestions…
Author(s): Ted Putnam
Year Published:

Successful fire exclusion in the 20th century has created severe fire problems across the West. Not every forest is at risk of uncharacteristically severe wildfire, but drier forests are in need of active management to mitigate fire hazard. We…
Author(s): James K. Agee, Carl N. Skinner
Year Published:

This 3-year research project is identifying the climate drivers of regional fire and fuel dynamics in the Northern Rockies in the past, present, and future. We are identifying regional fire years from two sources: multicentury tree-ring…
Author(s): Penelope Morgan, Emily K. Heyerdahl, Carol Miller, Matthew G. Rollins
Year Published:

Quaking aspen (Populus tremuloides Michx.) is a long-lived clonal species in which many genetically identical stems (ramets) arise from a common root system. Establishment by seed is extremely rare in the Rocky Mountain region, where most…
Author(s): William H. Romme, Monica G. Turner, Gerald A. Tuskan, Rebecca A. Reed
Year Published:

This FEIS species review synthesizes information on the relationship of Opuntia fragilis (brittle pricklypear) to fire--how fire affects the species and its habitat, effects of the species on fuels and fire regimes, and fire management…
Author(s): Jane E. Taylor
Year Published:

Canopy bulk density (CBD) is an important crown characteristic needed to predict crown fire spread, yet it is difficult to measure in the field. Presented here is a comprehensive research effort to evaluate six indirect sampling techniques for…
Author(s): Robert E. Keane, Elizabeth D. Reinhardt, Joe H. Scott, Kathy L. Gray, James J. Reardon
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The widespread occurrence of big sagebrush can be attributed to many adaptive features. Big sagebrush plays an essential role in its communities by providing wildlife habitat, modifying local environmental conditions, and facilitating the…
Author(s): Cindy R. Lysne
Year Published:

This FEIS species review synthesizes information on the relationship of Asclepias speciosa (showy milkweed) 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): Elena D. Ulev
Year Published:

Land managers need cost-effective methods for mapping and characterizing forest fuels quickly and accurately. The launch of satellite sensors with increased spatial resolution may improve the accuracy and reduce the cost of fuels mapping. The…
Author(s): Michael J. Falkowski, Paul E. Gessler, Penelope Morgan, Andrew T. Hudak, Alistair M. S. Smith
Year Published:

This FEIS species review synthesizes information on the relationship of Leucopoa kingii (spike fescue) 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): Michelle B. Anderson
Year Published:

Prior to Euro-American settlement, dry ponderosa pine and mixed conifer forests (hereafter, the 'dry forests') of the Inland Northwest were burned by frequent low- or mixed-severity fires. These mostly surface fires maintained low and…
Author(s): Paul F. Hessburg, James K. Agee, Jerry F. Franklin
Year Published:

This FEIS species review synthesizes information on the relationship of Psathyrostachys juncea (Russian wildrye) to fire--how fire affects the species and its habitat, invasiveness of the species, effects of the species on fuels and fire regimes,…
Author(s): Jane E. Taylor
Year Published:

We propose a modified algorithm for the gradient method to determine the near-edge smoke plume boundaries using backscatter signals of a scanning lidar. The running derivative of the ratio of the signalstandard deviation (STD) to the accumulated sum…
Author(s): Vladimir A. Kovalev, Cyle E. Wold, Jenny O. Newton, Wei Min Hao
Year Published:

We examined home range size of Black-backed Woodpeckers (Picoides arcticus) in burned ponderosa pine (Pinus ponderosa) / Douglas-fir (Pseudotsuga menziesii) forests of southwestern Idaho during 2000 and 2002 (6 and 8 years following fire). Home…
Author(s): Jonathan G. Dudley
Year Published:

The Scripps Experimental Climate Prediction Center has been routinely making regional forecasts of atmospheric elements and fire danger indices since 27 September 1997. This study evaluates these forecasts using selected remote automated weather…
Author(s): Hauss J. Reinbold, John O. Roads, Timothy J. Brown
Year Published: