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Ecosystem

Displaying 5201 - 5220 of 6037 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:

Recent fires have renewed interest in fire's effect on different components of the ecosystems, particularly erosion and soil productivity. Our objectives were to (1) determine hillslope erosion rates after a high severity wildfire in an unmanaged…
Author(s): Peter R. Robichaud, Robert E. Brown
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:

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:

The objectives of this Research Joint Venture Agreement were to install and calibrate three flumes on the Tenderfoot Creek Experimental Forest (TCEF) in central Montana; check calibration of the existing seven flumes on TCEF; estimate the influence…
Author(s): Phillip E. Farnes, Ward W. McCaughey, Katherine J. Hansen
Year Published:

This FEIS species review synthesizes information on the relationship of Purshia tridentata (antelope bitterbrush) 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:

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:

The flea beetle, Aphthona nigriscutis Foudras, is a potentially useful agent for biological control of leafy spurge (Euphorbia esula L.) in grasslands devoted to wildlife conservation. However, effects of other grassland management practices on the…
Author(s): David P. Fellows, Wesley E. Newton
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:

Thresholds are important to understanding Great Basin ecology. Once a threshold has been crossed, the new community may have very different functional capabilities than the previous community. Management action needs to occur well before a threshold…
Author(s): Robin J. Tausch
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:

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:

A symposium held September 15-18, 1997, in Provo, UT, and Sanpete County, UT, provided information on the ecology, management, resource values, and restoration of pinyon-juniper communities in the Interior Western United States. The conference was…
Author(s): Stephen B. Monsen, Richard Stevens
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:

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:

The 1988 fires in Yellowstone National Park provided an opportunity to study effects of a large infrequent disturbance on a natural community. This study addressed two questions: (1) How does prefire heterogeneity of the landscape affect postfire…
Author(s): Monica G. Turner, William H. Romme, Robert H. Gardner
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:

The development of mature juniper woodlands has often been associated with decreases in the herbaceous and shrub components of the community. This study focused on changes in species richness and diversity along a successional gradient at both the…
Author(s): Stephen C. Bunting
Year Published:

This FEIS species review synthesizes information on the relationship of Pascopyrum smithii (western wheatgrass) 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: