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Ecosystem

Displaying 5341 - 5360 of 6051 results

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:

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:

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:

Growing concern over sustainability of central Idaho forests has created a need to assess the health of forest stands on a relative basis. A stand hazard rating was developed as a composite of 11 individual ratings to compare the health hazards of…
Author(s): Robert W. Steele, Ralph E. Williams, Julie C. Weatherby, Elizabeth D. Reinhardt, James T. Hoffman, R. W. Thier
Year Published:

This FEIS species review synthesizes information on the relationship of Athene cunicularia (burrowing owl) 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:

During the last 2 years, many people from numerous government agencies and private institutions compiled a scientific assessment of the natural and human resources of the Interior Columbia River Basin (Jensen and Bourgeron 1993). This assessment is…
Author(s): Robert E. Keane, James P. Menakis, Wendel J. Hann
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):
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:

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:

This FEIS species review synthesizes information on the relationship of Urocyon cinereoargenteus (common gray fox) 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:

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

Atwood notes that while managers must adopt a passion for safety, the true test is on the fire line. Supervisors are in charge of making decisions that ultimately put safety first, or not.  Atwood argues that improvement will not come from the…
Author(s): George Atwood
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:

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:

Anyone who has ever tried building fireline on rocky land knows there has been a need for an inexpensive, efficient piece of equipment to do this job. We've recently invented a simple fireline plow to build fireline in such terrain. Fireline…
Author(s): Nathan P. Arno, Stephen F. Arno
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:

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

Long-term recovery of Wyoming big sagebrush (Artemisia tridentatassp.wyomingensisBeetle and Young) after four treatments was investigated. Treatments at a south-western Montana site were spraying with 2,4-D, plowing and rotocutting, all applied in…
Author(s): Myles J. Watts, Carl L. Wambolt
Year Published: