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Ecosystem

Displaying 5361 - 5380 of 6037 results

Burned forested areas have patterns of varying burn severity as a consequence of various topographic, vegetation, and meteorological factors. These patterns are detected and mapped using satellite data. Other ecological information can be abstracted…
Author(s): Joseph D. White, Kevin C. Ryan, Carl H. Key, Steven W. Running
Year Published:

This FEIS species review synthesizes information on the relationship of Spea intermontana (Great Basin spadefoot) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Janet L. Howard
Year Published:

Palmer and Dunford analyze the concept of reframing and discuss four key limits to this concept. Reframing literature asserts that people generally are trapped into a singular way of thinking about a situation, and thus, they are unable to think…
Author(s): Ian Palmer, Richard Dunford
Year Published:

We investigated the short-term influence of fire on xeric sage grouse (Centrocercus urophasianus Bonaparte) brood habitat in southeastern Idaho from 1990-92.
Author(s): Richard A. Fischer, Kerry P. Reese, John W. Connelly
Year Published:

Elimination of the historic pattern of frequent low-intensity fires in ponderosa pine and pine-mixed conifer forests has resulted in major ecological disruptions. Prior to 1900, open stands of large, long-lived, fire-resistant ponderosa pine were…
Author(s): Stephen F. Arno
Year Published:

One of the critical mistakes made by wildland firefighters during both the Mann Gulch and South Canyon fires was their unwillingness to drop heavy tools and packs as they attempted to outrun the flames. Weick points to 10 possible reasons for their…
Author(s): Karl E. Weick
Year Published:

Seral, fire dependent lodgepole pine (Pinus contorta Dougl.) communities are an important component of upper elevation forests throughout the Northern Rockies, where they cover 4 million acres, or about 17 percent of the land base. On the Bitterroot…
Author(s): Catherine A. Stewart
Year Published:

This chapter is within  a book by Walker and Steffen that presents a collection of essays by leading authorities who address the current state of knowledge. The chapters bring together the early results of an international scientific research…
Author(s): Robert H. Gardner, William W. Hargrove, Monica G. Turner, William H. Romme
Year Published:

This FEIS species review synthesizes information on the relationship of Tamiasciurus hudsonicus (red squirrel) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Janet Sullivan
Year Published:

Physical characteristics, benthic macroinvertebrates, and periphyton assemblages in two adjacent headwater streams in Yellowstone National Park were evaluated five years after the 1988 wildfires. The catchment of one stream was burned by wildfire (…
Author(s): G. Wayne Minshall, Christopher T. Robinson, Todd V. Royer, Samuel R. Rushforth
Year Published:

During the two breeding seasons immediately following the numerous and widespread fires of 1988, I estimated bird community composition in each of 34 burned-forest sites in western Montana and northern Wyoming. I detected an average of 45 species…
Author(s): Richard L. Hutto
Year Published:

Programs aimed at enhancing safety by addressing the proximate cause of an accident only consider a small portion of the safety picture. Merely addressing the proximate cause fails to consider that the system either directly or indirectly trains,…
Author(s): Curt Braun
Year Published:

Most stands of trembling aspen (Populus tremuloides) in northern Yellowstone National Park appear to have become established between 1870 and 1890, with little regeneration since 1900. There has been controversy throughout this century regarding the…
Author(s): William H. Romme, Monica G. Turner, Linda L. Wallace, Jennifer S. Walker
Year Published:

Many foresters and ecologists recognize that disruption of the historic pattern of frequent fires in ponderosa pine forests has resulted in major ecological changes, including increasingly severe wildfires and insect and disease epidemics (Weaver,…
Author(s): Stephen F. Arno, Michael G. Harrington, Carl E. Fiedler, Clinton E. Carlson
Year Published:

This FEIS species review synthesizes information on the relationship of Ribes velutinum (desert gooseberry) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Anna Marshall
Year Published:

The effect of fire and habitat heterogeneity on winter foraging by ungulates was studied in northern Yellowstone National Park (YNP). Grazing was monitored at 15 study sites for 14 wk during the winters of 1991 and 1992. The location and intensity…
Author(s): Scott M. Pearson, Monica G. Turner, Linda L. Wallace, William H. Romme
Year Published:

This FEIS species review synthesizes information on the relationship of Phasianus colchicus (ring-necked pheasant) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Julie L. Tesky
Year Published:

Forest land managers are concerned about the effects of logging and site preparation on erosion, site productivity, streamflow, and water quality. Effects of helicopter logging and prescribed burning on streamflow and sediment yields from headwater…
Author(s): Walter F. Megahan, John G. King, Kathleen A. Seyedbagheri
Year Published:

Endsley examines the interrelation between situation awareness and individual and environmental factors. Endsley argues that situation awareness is more than a person just being aware of the situation. Rather, it is a complex understanding of the…
Author(s): Mica Endsley
Year Published:

This FEIS species review synthesizes information on the relationship of Sylvilagus floridanus (eastern cottontail) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Janet Sullivan
Year Published: