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Ecosystem

Displaying 5201 - 5220 of 6068 results

It is now widely acknowledged that frequent low-intensity fires once structured many western forests. What is not generally recognized, however, is that most of those fires were purposefully set by native people, not started by lightning. Data from…
Author(s): Charles E. Kay
Year Published:

This FEIS species review synthesizes information on the relationship of Danthonia unispicata (onespike danthonia) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Robin F. Matthews
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This FEIS species review synthesizes information on the relationship of Fallugia paradoxa (Apache plume) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Jack McWilliams
Year Published:

The significant geographic extent of lodgepole pine (Pinus contorta) in the interior West and the large proportion within the mixed-severity fire regime has led to efforts for more ecologically based management of lodgepole pine. New research and…
Author(s): Colin C. Hardy, Robert E. Keane, Catherine A. Stewart
Year Published:

Klein presents observations of humans acting under real-life constraints such as time pressure, high stakes outcomes, high-levels of personal responsibility, limited information, changing goals, and shifting conditions. Klein studies decision making…
Author(s): Gary Klein
Year Published:

Twentieth century fire patterns were analyzed for two large, disparate wilderness areas in the Rocky Mountains. Spatial and temporal patterns of fires were represented as GIS-based digital fire atlases compiled from archival Forest Service data. We…
Author(s): Matthew G. Rollins, Thomas W. Swetnam, Penelope Morgan
Year Published:

This FEIS species review synthesizes information on the relationship of Ceanothus sanguineus (redstem ceanothus) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Kathleen A. Johnson
Year Published:

The status of sage grouse populations and habitats has been a concern to sportsmen and biologists for >80 years. Despite management and research efforts that date to the 1930s, breeding populations of this species have declined throughout much of…
Author(s): John W. Connelly, Michael A. Schroeder, Alan R. Sands, Clait E. Braun
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Sustainable, ecologically-based management of pine/fir forests requires silviculturists to integrate several treatments that emulate historic disturbance processes. Restoration prescriptions typically include cleaning or heavy understory thinning,…
Author(s): Carl E. Fiedler
Year Published:

Based on his earlier book, “Emotional Intelligence,” Goleman applies years of research to this practical guide on emotional intelligence in organizations. In the first part of the book, Goleman makes a “hard case for soft skills” by arguing that…
Author(s): Daniel Goleman
Year Published:

A broad-scale probabilistic model of forest fires, EMBYR, has been developed to simulate the effects of large fires burning through heterogeneous landscapes. Fire ignition and spread are simulated on a gridded landscape by (1) examining each burning…
Author(s): William W. Hargrove, Robert H. Gardner, Monica G. Turner, William H. Romme, Don G. Despain
Year Published:

Many of the aquatic and terrestrial ecosystems of the Pacific Northwest United States have been simplified and degraded in part through past land-management activities. Recent listings of fishes under the Endangered Species Act and major new…
Author(s): Bruce E. Rieman, Paul F. Hessburg, Danny C. Lee, Russell F. Thurow, James R. Sedell
Year Published:

Fuels burned by either prescribed or wildfires are complex and important components of forested ecosystems. Fine fuels consisting of fallen limbs, twigs, and leaves of shrubs and trees are rich in nutrients. If these fuels are not immediately burned…
Author(s): Russell T. Graham, Theresa B. Jain, Alan E. Harvey
Year Published:

A 17000 yr fire history from Yellowstone National Park demonstrates a strong link between changes in climate and variations in fire frequency on millennial time scales. The fire history reconstruction is based on a detailed charcoal stratigraphy…
Author(s): Sarah H. Millspaugh, Cathy L. Whitlock, Patrick J. Bartlein
Year Published:

This FEIS species review synthesizes information on the relationship of Vaccinium membranaceum (big huckleberry) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Kevin A. Simonin
Year Published:

This study documented the long-term (>10 years) impact of fire on sage grouse (Centrocercus urophasianus Bonaparte) nesting and brood-rearing habitats on the Upper Snake River Plain in southeastern Idaho.
Author(s): Pamela J. Nelle, Kerry P. Reese, John W. Connelly
Year Published:

Smoke exposure measurements among firefighters at wildfires in the Western United States between 1992 and 1995 showed that altogether most exposures were not significant, between 3 and 5 percent of the shift-average exposures exceeded occupational…
Author(s): Timothy E. Reinhardt, Roger D. Ottmar
Year Published:

Our experience testing ecosystem-based management (EM) treatments in ponderosa pine (Pinus ponderosa)/fir (Abies spp.) is summarized here. Topics covered include silvicultural treatments, fire application, soils and nutrient considerations, wildlife…
Author(s): Stephen F. Arno
Year Published:

This FEIS species review synthesizes information on the relationship of Festuca altaica, Festuca campestris, Festuca hallii (Altai fescue, alpine rough fescue, plains rough fescue) to fire--how fire affects the species and its habitat, and fire…
Author(s): D. A. Tirmenstein
Year Published:

Some 100 years of fire exclusion in the Interior Northwest has resulted in riparian areas dominated by dense thickets of shade-tolerant trees. If former, more open conditions could be restored, these habitats could once more support a more diverse…
Author(s): Colin C. Hardy, Robert E. Keane, Michael G. Harrington
Year Published: