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Ecosystem

Displaying 5101 - 5120 of 5894 results

This FEIS species review synthesizes information on the relationship of Chrysothamnus viscidiflorus (green rabbitbrush) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the…
Author(s): D. A. Tirmenstein
Year Published:

Wildland fire operations are conducted in a high-risk environment. Individuals involved in all aspects of fire management are subject to the dangers of burnovers, vehicle and aircraft accidents, and medical emergencies. Between 1990 and 1998, 133…
Author(s): Richard Mangan
Year Published:

We assessed the influence of riparian disturbance on 26 stream variables in Linesville Creek and six tributaries, in northwestern Pennsylvania, USA. Redundancy analysis, a canonical ordination technique. was used in three separate analyses to test…
Author(s): M. Henry H. Stevens, Kenneth W. Cummins
Year Published:

This FEIS species review synthesizes information on the relationship of Muhlenbergia richardsonis (mat muhly) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Keith Aleksoff
Year Published:

Descriptions of critical fire weather patterns from across the United States. Watch out conditions discussed.
Author(s):
Year Published:

The principal native trees in the semiarid regions of southern Alberta are riparian cottonwoods. These include narrowleaf cottonwood, Populus angustifolia James, balsam poplar, Populus balsamifera ssp. balsamifera L., black cottonwood, Populus…
Author(s): Lori A. Gom, Stewart B. Rood
Year Published:

According to Nutt, decisions that fail in organizations can be traced to managers who impose decisions, limit the search for alternatives, and use power to implement plans. Nutt finds that managers who make the need for action clear, set objectives…
Author(s): Paul C. Nutt
Year Published:

In this book, Isaacs argues that we should learn to kindle and sustain a new conversational spirit in our relationships, organizations, and communities. A conversational spirit will help us in times of frustration and conflict and help us work…
Author(s): William Isaacs
Year Published:

Prescribed burning is used to achieve a variety of silvicultural objectives, including controlling heavy fuel accumulation, exposing mineral soil, releasing available nutrients for seedbed preparation, and controlling certain insects, diseases, and…
Author(s): Kevin R. Russell, David H. Van Lear, David C. Guynn, Jr.
Year Published:

This FEIS species review synthesizes information on the relationship of Bouteloua hirsuta (hairy grama) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Elena Zlatnik
Year Published:

This FEIS species review synthesizes information on the relationship of Artemisia tridentata subsp. wyomingensis (Wyoming big sagebrush) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also…
Author(s): Janet L. Howard
Year Published:

This FEIS species review synthesizes information on the relationship of Ericameria nauseosa (rubber rabbitbrush) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): D. A. Tirmenstein
Year Published:

Weick uses the metaphor of jazz improvisation to discuss the way people verbally communicate about organizational improvisation. He argues that the descriptions and processes used to discuss composing on the spur of the moment provide a lexicon for…
Author(s): Karl E. Weick
Year Published:

Forest stands of fire-dependent ponderosa pine cover about 40 million acres (16 million ha) in the Western United States. Ponderosa pine is commonly found in pure stands on dry sites, but in more moist conditions, it is associated with Douglas-fir,…
Author(s): Joe H. Scott
Year Published:

Plant species composition has been sampled periodically since the 1974 Waterfalls Canyon Fire in Grand Teton National Park, Wyoming. Prior to the fire, the forests were dominated by mature Abies lasiocarpa, Picea engelmannii and Finns contorta. All…
Author(s): Kathleen M. Doyle, Dennis H. Knight, Dale L. Taylor, William J. Barmore, James M. Benedict
Year Published:

Fire and insects are natural disturbance agents in many forest ecosystems, often interacting to affect succession, nutrient cycling, and forest species composition. We review literature pertaining to effects of fire-insect interactions on ecological…
Author(s): Deborah G. McCullough, Richard A. Werner, David Neumann
Year Published:

From 1994 to 1996, researchers monitored 695 nests of nine cavity-nesting bird species and measured vegetation at nest sites and at 90 randomly located sites in burned ponderosa pine forests of southwestern Idaho. Site treatments included two types…
Author(s): Victoria A. Saab, Jonathan G. Dudley
Year Published:

To determine the initial effects of slash pile burning on chemical and physical properties in the Vassar soil series, mineral soil samples from two depths (2.5 cm and 12.5 cm) were collected before and after burning slash piles of four fuel loadings…
Author(s): Brian P. Oswald, Douglas Davenport, Leon F. Neuenschwander
Year Published:

Ectomycorrhiza formation, survivability, and physiognomic characteristics were assessed for conifer seedlings encountered 1 and 2 years postfire in the Huck burn site near Grand Teton National Park. Pinus contorta Dougl. ex Loud. germinated and was…
Author(s): Steven L. Miller, Therese M. McClean, Nancy L. Stanton, Stephen E. Williams
Year Published:

The South Canyon Fire of July 1994 burned 800 ha of vegetation on Storm King Mountain near Glenwood Springs, Colorado, USA. On the night of 1 September 1994, in response to torrential rains, debris flows inundated seven areas along a 5-km length of…
Author(s): Susan H. Cannon, P. S. Powers, W. Z. Savage
Year Published: