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Ecosystem

Displaying 5061 - 5080 of 5953 results

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:

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:

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:

Nitrogen fixing plants have been reported to play an important role in replacing N lost from soil in fire dominated ecosystems. Exclusion of fire from ponderosa pine (Pinus ponderosa Dougl. ex Laws.)-Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco…
Author(s): J. A. Newland, Thomas H. DeLuca
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:

This FEIS species review synthesizes information on the relationship of Achnatherum thurberiana (Thurber needlegrass) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the…
Author(s): Amy Archer
Year Published:

A prime forest resource is clean water for downstream beneficial uses. Sediment from forests may impair those beneficial uses. Sedimentation by water erosion is rare unless road activities, timber harvesting, or fire disturb the forest. We have been…
Author(s): William J. Elliot, Randy B. Foltz, Peter R. Robichaud
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:

This FEIS species review synthesizes information on the relationship of Prunus virginiana (chokecherry) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Kathleen A. Johnson
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:

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:

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:

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:

This state-of-knowledge review about the effects of fire on flora and fuels can assist land managers with ecosystem and fire management planning and in their efforts to inform others about the ecological role of fire. Chapter topics include fire…
Author(s): Timothy E. Paysen, R. James Ansley, James K. Brown, Gerald J. Gottfried, Sally M. Haase, Michael G. Harrington, Marcia G. Narog, Stephen S. Sackett, Ruth C. Wilson
Year Published:

Tree-ring reconstructed summer drought was examined in relation to the occurrence of 15 fires in the Selway-Bitterroot Wilderness Area (SBW). The ten largest fire years between 1880 and 1995 were selected from historical fire atlas data; five…
Author(s): Kurt F. Kipfmueller, Thomas W. Swetnam
Year Published:

This FEIS species review synthesizes information on the relationship of Danthonia spicata (poverty oatgrass) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Daniel Covington
Year Published: