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Ecosystem

Displaying 5041 - 5060 of 5953 results

Wilber provides a brief overview of a “Theory of Everything,” which attempts to include matter, body, mind, soul, and spirit as they appear in self, culture, and nature. This theory provides an integral vision, which is a more holistic approach to…
Author(s): Ken Wilber
Year Published:

Highly variable water repellent soil conditions have been reported after forest fires. We examined interactions among heating, soil water content and soil texture on water repellency. Undisturbed, 305-mm diameter cores were collected in the field…
Author(s): Peter R. Robichaud, Roger D. Hungerford
Year Published:

The perpetuation of fire-dependent forests requires an understanding of fire ecology and fire behavior not only by scientists and managers, but also by the public (U.S. Department of Interior and U.S. Department of Agriculture, 1995). FireWorks is a…
Author(s): Jane Kapler Smith
Year Published:

This FEIS species review synthesizes information on the relationship of Festuca idahoensis (Idaho fescue) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Kristin L. Zouhar
Year Published:

Geomorphological processes that commonly transport soil down hillslopes and sediment and woody debris through stream systems in steep, mountainous, forest landscapes can operate in sequence down gravitational flowpaths, forming a cascade of…
Author(s): Futoshi Nakamura, Frederick J. Swanson, Steven M. Wondzell
Year Published:

Fire is a key ecological process within most ecosystems in the United States and Canada. An understanding of factors controlling the initial response of vegetation to fire is essential to its management. Fire effects on plants can vary significantly…
Author(s): Melanie Miller
Year Published:

To understand how participants in a natural resource planning situation described the nature of consensus, we interviewed scientists, agency planners and managers, and public representatives in two planning processes on the Bitterroot National…
Author(s): Stephen F. McCool, Kathleen Guthrie, Jane Kapler Smith
Year Published:

Provided data on quantitative postfire changes of plant species and forest vegetation components for up to the first 25 years of secondary plant succession for 55 forest sites in northern Idaho and northwestern Montana. Cover (aerial crown) and…
Author(s): Peter F. Stickney, Robert B. Campbell
Year Published:

This Supplement presents data syntheses and new evidence from temperate (primarily boreal) North American studies of aquatic ecosystem response to episodic watershed deforestation and acid rain. These studies confirm the dominant role of the…
Author(s): Richard Carignan, Robert J. Steedman
Year Published:

The scientific literature on logging after wildfire is reviewed, with a focus on environ-mental effects of logging and removal of large woody structure. Rehabilitation, the practice of planting or seeding after logging, is not reviewed here. Several…
Author(s): James D. McIver, Lynn Starr
Year Published:

This FEIS species review synthesizes information on the relationship of Koeleria macrantha (prairie Junegrass) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Kevin A. Simonin
Year Published:

The year 1999 marks the 50th anniversary of the Mann Gulch Fire that occurred in western Montana on August 5, 1949 (Matthews 1999). There has been considerable interest amongst the Canadian wildland fire community in the 1949 Mann Gulch Fire ever…
Author(s): Martin E. Alexander
Year Published:

This FEIS species review synthesizes information on the relationship of Calamagrostis rubescens (pinegrass) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Robin F. Matthews
Year Published:

Advocates of Traditional Ecological Knowledge (TEK) have promoted its use in scientific research, impact assessment, and ecological understanding. While several examples illustrate the utility of applying TEK in these contexts, wider application of…
Author(s): H.P. Huntington
Year Published:

Thirty years ago the effects of timber harvest, prescribed burning, and wildfire were investigated in a western larch/Douglas-fir forest on the Flathead National Forest in western Montana. The original study was designed to investigate the effects…
Author(s): Jonalea R. Tonn, Martin F. Jurgensen, G. D. Mroz, Deborah S. Page-Dumroese
Year Published:

Shaded fuelbreaks and larger landscape fuel treatments, such as prescribed fire, are receiving renewed interest as forest protection strategies in the western United States. The effectiveness of fuelbreaks remains a subject of debate because of…
Author(s): James K. Agee, Bernhard Bahro, Mark A. Finney, Philip N. Omi, David B. Sapsis, Carl N. Skinner, Jan W. van Wagtendonk, Charles P. Weatherspoon
Year Published:

This FEIS species review synthesizes information on the relationship of Quercus gambelii (Gambel oak) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Kevin A. Simonin
Year Published:

The Esso gas plant explosion of 1998 represents a series of organizational failures that resulted in devastating consequences, including two deaths. This book examines those organizational failures through the findings of the Royal Commission. The…
Author(s): Andrew Hopkins
Year Published:

Wildland-urban interface (W-UI) fires are a significant concern for federal, state, and local land management and fire agencies. Research using modeling, experiments, and W-UI case studies indicates that home ignitability during wildland fires…
Author(s): Jack D. Cohen
Year Published:

Laboratory studies were conducted to determine the acute toxicity of three ammonia-based fire retardants (Fire-Trol LCA-F, Fire-Trol LCM-R, and Phos-Chek 259F), five surfactant-based fire-suppressant foams (FireFoam 103B, FireFoam 104, Fire Quench,…
Author(s): Kevin J. Buhl, Steven J. Hamilton
Year Published: