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Ecosystem

Displaying 5481 - 5500 of 6051 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
Year Published:

This FEIS species review synthesizes information on the relationship of Festuca subulata (bearded fescue) 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 Dumetella carolinensis (gray catbird) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Janet Sullivan
Year Published:

This FEIS species review synthesizes information on the relationship of Tympanuchus phasianellus (sharp-tailed grouse) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the…
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:

During the 1988 fires in the GYE, Minshall et al. (1989) observed fish kills in streams, but the extent and causes of mortality were not reported. While conducting other studies of watersheds in the GYE, we observed a fish kill in a burned watershed…
Author(s): Michael K. Young, Michael A. Bozek
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Big sagebrush (Artemisia tridentata) seedling recruitment is limited by seed production and dispersal in space and time, by genetic constraints of specific ecotypes, and by environmental factors that include weather, microsite attributes, soil…
Author(s): Susan E. Meyer
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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
Year Published:

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
Year Published:

This FEIS species review synthesizes information on the relationship of Hierochloe odorata (sweetgrass) 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:

A fire history investigation was conducted for three forest community types in the Absaroka Mountains of Yellowstone National Park, Wyoming. Master fire chronologies were based on fire-initiated age classes and tree fire scars. The area's major…
Author(s): Stephen W. Barrett
Year Published:

This FEIS species review synthesizes information on the relationship of Carex capitata (capitate sedge) 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 transport of stream bedload sediment was monitored continuously in a small stream from 1975 to 1982 following forest fires in 1974 and 1980. The stream is located in the east subcatchment (170 ha) of Lake 239 in the Experimental Lakes Area,…
Author(s): Kenneth G. Beaty
Year Published:

The objective of this paper is to examine whether the severity and great extent of the 1988 Yellow-stone fires impacted the water quality of two of Yellowstone's major lakes. Analysis of water quality records for Yellowstone and Lewis Lakes…
Author(s): R. G. Lathrop
Year Published:

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
Year Published:

This FEIS species review synthesizes information on the relationship of Bromus pumpellianus (Pumpelly 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:

Turner argues that while the best way to avoid disasters is primarily “for managers to establish, to strengthen, and then to assert control,” management control only addresses part of the problem, and there are limitations that affect management in…
Author(s): Barry Turner
Year Published:

The fires that burned the Greater Yellowstone Area (GYA) during the summer of 1988 were the largest ever recorded for the region. Wildfire can have profound indirect effects on associated aquatic ecosystems by increased nutrient loading, sediment,…
Author(s): R. G. Lathrop, John D. Vande Castle, James A. Brass
Year Published: