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Ecosystem

Displaying 5541 - 5560 of 5894 results

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:

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):
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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:

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:

This FEIS species review synthesizes information on the relationship of Rosa acicularis (prickly rose) 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:

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
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This FEIS species review synthesizes information on the relationship of Populus balsamifera subsp. balsamifera (balsam poplar) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on…
Author(s): Holly T. Harris
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:

[from the text] Forest history studies (Arno 1980, Dieterich 1983) indicate that before fire suppression was initiated at the start of this century, most forest fires were surface fires. These fires reduced fire hazards and improved stand conditions…
Author(s): Gerald J. Gottfried, Leonard F. DeBano
Year Published:

abstract available at link but unable to capture.
Author(s): Richard A. Marston, David H. Haire
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
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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 ecosystems are an important element of many of the most spectacular high-elevation landscapes in the western United States. They occupy upper subalpine and timberline zones in the prime recreation lands of the Cascades, the Sierra…
Author(s): David N. Cole
Year Published:

The authors explain the ways in which uncertainty is an important factor in the problems of risk and policy analysis. This book outlines the source and nature of uncertainty, discusses techniques for obtaining and using expert judgment, and reviews…
Author(s): M. Granger Morgan, Max Henrion
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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:

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:

An empirical model for predicting deposition of coarse-textured debris flows in confined mountain channels is developed based on field measurements of 14 debris flows in the Pacific Northwest, U.S.A. The model uses two criteria for deposition:…
Author(s): Lee E. Benda, Terrance W. Cundy
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Military misfortunes are complex and involve not only individual failures in judgment or action, but also organizational failures rooted in the values each military organization upholds. This book uses examples from several military battles to…
Author(s): Eliot A. Cohen, John Gooch
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Regardless of the mixture of land management objectives, quantification of the type of stands that will meet these objectives, target stands, is needed. Quantification of target stands is essential as the starting point for the diagnosis of…
Author(s): Jimmie D. Chew
Year Published: