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Ecosystem

Displaying 5701 - 5720 of 6068 results

A landslide is the movement of a mass of rock, earth or debris down a slope.
Author(s): David Milne Cruden
Year Published:

This FEIS species review synthesizes information on the relationship of Salix geyeriana (Geyer willow) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Ronald Uchytil
Year Published:

A successional process model has been adapted for use with species from ponderosa pine/Douglas-fir (Pinus ponderosa var. ponderosa)/(Pseudotsuga menziesii var. glauca) forests of the inland Northwest. Its design allows modification for application…
Author(s): Robert E. Keane, Stephen F. Arno, James K. Brown
Year Published:

This FEIS species review synthesizes information on the relationship of Mahonia nervosa (Cascade barberry) 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:

Fire affects spawning areas and food habitat in streams by indirectly influencing waterflow, nutrients, erosion, sedimentation, debris, and water temperature. The response of vegetation following fire is the most important factor affecting aquatic…
Author(s): James K. Brown
Year Published:

Habitat distribution and stand dynamics of whitebark pine (Pinus albicaulis) within the whitebark pine zone of the Mount Washburn massif, Yellowstone National Park were investigated as part of a study of relationships among grizzly bears, red…
Author(s): David J. Mattson, Daniel P. Reinhart
Year Published:

Habitats or environmental factors that convey spatial and temporal resistance and/or resilience to biotic communities that have been impacted by biophysical disturbances may be called refugia. Most refugia in rivers are characterized by extensive…
Author(s): James R. Sedell, Gordon H. Reeves, F. Richard Hauer, Jack A. Stanford
Year Published:

We present a narrative account of case studies of the recovery of flowing water systems from disturbance, focusing on the investigators' conclusions about recovery time and the factors contributing to recovery. We restrict our attention to case…
Author(s): J. David Yount, Gerald J. Niemi
Year Published:

Organizations often suffer because workers and managers avoid embarrassment by turning a blind eye toward mistakes. This book focuses on errors that are consciously buried in order to avoid situations that might damage individual reputations. Using…
Author(s): Chris Argyris
Year Published:

This chapter overviews the history of hazard management in the United States, and defines what constitutes a “disaster” by federal standards. Popkin provides a history of federal and state policies and programs established and maintained in the…
Author(s): Roy S. Popkin
Year Published:

This FEIS species review synthesizes information on the relationship of Vaccinium ovalifolium (ovalleaf huckleberry) 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:

This FEIS species review synthesizes information on the relationship of Taxus brevifolia (Pacific yew) 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:

This FEIS species review synthesizes information on the relationship of Selaginella densa (lesser spikemoss) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Marilyn F. Crane
Year Published:

Biomass and hydrocarbon fuel fires are two common sources of obscuring smoke which present significant operational challenges over a broad range of possible viewing wavelengths. This is especially true of very large fires where the primary smoke…
Author(s): Lawrence F. Radke, Dean A. Hegg, J. David Nance, Jaime H. Lyons, Krista K. Laursen, R. J. Ferek, Peter V. Hobbs, Raymond E. Weiss
Year Published:

Whitebark pine (Pinus albicaulis) has received little management emphasis except in the past 10 years. Silvicultural treatment of whitebark pine is starting to draw increased interest as attention is focused on the species and its potential…
Author(s): Douglas E. Eggers
Year Published:

Ecosystem disturbances produce changes in macrobenthic community structure (abundances, biomass, and production) that persist for a few weeks to many decades. Examples of disturbances with extremely long-term effects on benthic communities include…
Author(s): J. Bruce Wallace
Year Published:

Includes 52 papers and 14 poster synopses that present current knowledge about ecosystems where whitebark pine and associated flora and fauna predominate. This was the first symposium to explore the ecology and management of these ecosystems, which…
Author(s):
Year Published:

Forest foliage that comprises much of the forest floor litter has higher equilibrium moisture content, EMC, than woody components. The EMC's at 300 °K were found to increase as follows: grasses < fir-spruce needles < pine-cedar needles…
Author(s): Hal E. Anderson
Year Published:

A forest fire followed by an intense convectional rainstorm caused a 100-year flood in the Beaver Creek drainage. This study documented changes in resident trout populations and use of the stream by adfluvial spawning fish. Two months after the…
Author(s): Mark A. Novak, Robert G. White
Year Published:

This FEIS species review synthesizes information on the relationship of Vaccinium myrtilloides (velvetleaf blueberry) 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: