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Ecosystem

Displaying 5361 - 5380 of 5953 results

There are four major questions affecting the future of ecological restoration. The first and most serious question is philosophical. Should we attempt to restore ecosystems? Some people want to separate humans from nature because they believe that…
Author(s): Thomas M. Bonnicksen
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This FEIS species review synthesizes information on the relationship of Rudbeckia hirta (black-eyed Susan) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Roberta A. Walsh
Year Published:

The Greater Yellowstone Area ecosystem experienced major wildfires in 1988, resulting in a substantial number of catchments being burned. We studied diatom assemblage structure at 14 sites over 5 years in catchments ranging from 0 to over 90% burned…
Author(s): Christopher T. Robinson, Samuel R. Rushforth, G. Wayne Minshall
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Total particulate matter (PM) emissions were estimated for recent fires (1979-1990) and the presettlement period (prior to 1935) in the Selway-Bitterroot Wilderness (SBW) in Idaho and Montana. Recent period emissions were calculated by 10-day…
Author(s): James K. Brown, Larry S. Bradshaw
Year Published:

This FEIS species review synthesizes information on the relationship of Asio flammeus (short-eared owl) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Janet L. Howard
Year Published:

Daily fire growth maps display the growth of the 1988 fires in the Greater Yellowstone Area. Information and data sources included daily infrared photography flights, satellite imagery, ground and aerial reconnaissance, command center intelligence,…
Author(s): Richard C. Rothermel, Roberta A. Hartford, Carolyn H. Chase
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This FEIS species review synthesizes information on the relationship of Bufo boreas (western toad) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species' taxonomy…
Author(s): Janet Sullivan
Year Published:

Prescribed fire is an important management tool to increase herbaceous productivity and maintain seral communities of Intermountain sagebrush grasslands. Currently, pastures treated with prescribed fire are rested from livestock grazing before…
Author(s): Steven J. Jirik, Stephen C. Bunting
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This FEIS species review synthesizes information on the relationship of Falco sparverius (American kestrel) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Julie L. Tesky
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This FEIS species review synthesizes information on the relationship of Elaeagnus commutata (silverberry) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Lora L. Esser
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Sagebrush seedling establishment appeared to be strongly related to moisture availability as influenced by ecological site, soil surface texture, herbaceous competition, microtopography, seedling year precipitation, exposure, position on slope, etc…
Author(s): Mike Boltz
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Following fire, changes in streamflow and bank stability in burned watersheds can mobilize coarse woody debris. In 1990 and 1991, I measured characteristics of coarse woody debris and standing riparian trees and snags in Jones Creek, a watershed…
Author(s): Michael K. Young
Year Published:

This FEIS species review synthesizes information on the relationship of Falco mexicanus (prairie falcon) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Julie L. Tesky
Year Published:

This FEIS species review synthesizes information on the relationship of Agrostis stolonifera (creeping bentgrass) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Lora L. Esser
Year Published:

This FEIS species review synthesizes information on the relationship of Buteo swainsoni (Swainson's hawk) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Julie L. Tesky
Year Published:

This FEIS species review synthesizes information on the relationship of Ratibida columnifera (upright prairie coneflower) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the…
Author(s): Roberta A. Walsh
Year Published:

This FEIS species review synthesizes information on the relationship of Chimaphila umbellata (pipsissewa) 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:

This FEIS species review synthesizes information on the relationship of Bromus vulgaris (Columbia brome) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Roberta A. Walsh
Year Published:

This FEIS species review synthesizes information on the relationship of Glycyrrhiza lepidota (American licorice) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Lora L. Esser
Year Published:

The demand for climatological precipitation fields on a regular grid is growing dramatically as ecological and hydrological models become increasingly linked to geographic information systems that spatially represent and manipulate model output.…
Author(s): Christopher Daly, Ronald P. Neilson, Donald L. Phillips
Year Published: