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Ecosystem

Displaying 5361 - 5380 of 6066 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:

Ecological research has implicated the practice of fire exclusion as a major contributor to forest health problems in the semiarid ponderosa pine (Pinus ponderosa) zone of the Inland West (Mutch and others 1993; Sampson and others 1994). Prior to…
Author(s): Matthew K. Arno
Year Published:

Public support is important to all restoration efforts on public lands. Some types of restoration activities are easier for the public to support than others. Restoring wetlands, habitat restoration for salmon or burrowing owls, and vegetative…
Author(s): Leslie A. C. Weldon
Year Published:

This FEIS species review synthesizes information on the relationship of Populus tremuloides (quaking aspen) 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:

Airborne remotely sensed data were collected and analyzed during and following the 1988 Greater Yellowstone Ecosystem (GYE) fires in order to characterize the fire front movements, burn intensities and various vegetative components of selected…
Author(s): James A. Brass, Vincent G. Ambrosia, Philip J. Riggan, Paul D. Sebesta
Year Published:

This FEIS species review synthesizes information on the relationship of Microtus pennsylvanicus (meadow vole) 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:

The decision to include the fire process as part of a restoration treatment for a particular forest site is most logically made in conjunction with the decision for a silvicultural treatment. In other words, forest managers do not typically wait to…
Author(s): Michael G. Harrington
Year Published:

Researchers have often studied and discussed errors and accidents within an organizational setting in two ways. The first focuses on the individual, while the second looks at the system in which the individual operates. Edmondson argues for a third…
Author(s): Amy Edmondson
Year Published:

This FEIS species review synthesizes information on the relationship of Urocitellus townsendii (Townsend's ground squirrel) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided…
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:

The interpretation of sedimentary charcoal in lakes rests on several assumptions that concern the source are of charcoal, the timing of charcoal introduction, and the patterns of charcoal accumulation within a lake following fire. To examine…
Author(s): Cathy L. Whitlock, Sarah H. Millspaugh
Year Published:

Covering just over 1 million acres, Glacier National Park straddles the Continental Divide in northwestern Montana. Diverse vegetation communities include moist western cedar- western hemlock (Thuja plicata - Tsuga heterophylla) old growth forests…
Author(s): Laurie L. Kurth
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:

This report summarizes the results of Phase II of a four phase study to examine the Federal wildland firefighting community and to improve firefighter safety. The first phase described the strengths and problem areas of the current organizational…
Author(s):
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A series of nine large-scale, open fires was conducted in the Intermountain Fire Sciences Laboratory (IFSL) controlled-environment combustion facility. The fuels were pure pine needles or sagebrush or mixed fuels simulating forest-floor, ground…
Author(s): Robert J. Yokelson, David W. T. Griffith, Darold E. Ward
Year Published:

Proceedings of the second biennial conference on the Greater Yellowstone Ecosystem.
Author(s): Jason Greenlee
Year Published:

Laboratory studies were conducted with five early life stages of rainbow trout, Oncorhynchus mykiss, to determine the acute toxicities of five fire‐fighting chemical formulations in standardized soft and hard water. Eyed egg, embryo–larvae, swim‐up…
Author(s): M. P. Gaikowski, Steven J. Hamilton, Kevin J. Buhl, S. F. McDonald, C. H. Summers
Year Published:

This FEIS species review synthesizes information on the relationship of Vison vison (American mink) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species' taxonomy…
Author(s): Janet Sullivan
Year Published:

A primary goal of restoration treatments in ponderosa pine (Pinus ponderosa)/fir forests is to create more open stand structures, thereby improving tree vigor and reducing vulnerability to insects, disease, and severe fire. An additional goal in…
Author(s): Carl E. Fiedler
Year Published:

From the Background...'A rapid decline in whitebark pine has occurred during the last 60 years as a result of three interrelated factors: epidemics of mountain pine beetle (Dendroctonus ponderosae); the introduced disease white pine blister…
Author(s): Robert E. Keane, Stephen F. Arno
Year Published: