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Ecosystem

Displaying 5321 - 5340 of 6051 results

This FEIS species review synthesizes information on the relationship of Poa cusickii (Cusick's bluegrass) 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:

In this study vegetation development is compared and contrasted following natural and logging disturbances in a major boreal river valley in Alberta. Permanent sample plots and releves were established and sampled for vegetation and landscape…
Author(s): Kevin P. Timoney, George Peterson, Ross W. Wein
Year Published:

Water production from mountain watersheds depends on total precipitation input, the type and distribution of precipitation, the amount intercepted in tree canopies, and losses to evaporation, transpiration and groundwater. A systematic process was…
Author(s): Ward W. McCaughey, Phillip E. Farnes, Katherine J. Hansen
Year Published:

We examined the influence of a moderately severe wildfire on the thermal patterns in three small streams in central Idaho, USA, for an 11-month period beginning ten months after the fire. Two streams in unburned catchments served as reference sites…
Author(s): Todd V. Royer, G. Wayne Minshall
Year Published:

This FEIS species review synthesizes information on the relationship of Poa secunda (Sandberg bluegrass) 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:

No description available.
Author(s): William H. Romme, Monica G. Turner, Robert H. Gardner, William W. Hargrove, Gerald A. Tuskan, Don G. Despain, Roy A. Renkin
Year Published:

The stochastic field of sediment supply to the channel network of a drainage basin depends on the large‐scale interactions among climatically driven processes such as forest fire and rainstorms, topography, channel network topology, and basin scale…
Author(s): Lee E. Benda, Thomas Dunne
Year Published:

The native salmonids of the Idaho Panhandle National Forests, bull chaff (Salvelinus confluentus) and westslope cutthroat trout (Oncorhynchus clarki lewisz) evolved with natural pulse disturbances of which the most common were fire and flood. These…
Author(s): D. Cross
Year Published:

The Fire Effects Model Extension is a new extension to FVS and the PPE that allows users to simulate the effects of fire on a number of indicators, including stand structure and composition, fuel loading, and size and density of snags. In the…
Author(s): Sarah J. Beukema, Julee A. Greenough, Donald C. E. Robinson, Werner A. Kurz, Elizabeth D. Reinhardt, Nicholas L. Crookston, Albert R. Stage
Year Published:

The Butte City Fire occurred on July 1, 1994, west of Idaho Falls, ID. Ignited from a burning flat tire, the blaze was driven by high winds that caused it to cover over 20,500 acres in just over 6.5 hours. Sagebrush (Artemisia tridentata ssp.…
Author(s): Bret W. Butler, Timothy D. Reynolds
Year Published:

Geostatistics provides a method to describe the spatial continuity of many natural phenomena. Spatial models are based upon the concept of scaling, kriging and conditional simulation. These techniques were used to describe the spatially-varied…
Author(s): Peter R. Robichaud
Year Published:

Forest stand structure, understory composition, and tree seedling composition are described for eight permanent tenth-hectare plots established in Engelmann spruce/subalpine fir, western larch, and interior Douglas-fir forest cover types in…
Author(s): Caryl L. Elzinga, Raymond C. Shearer
Year Published:

This FEIS species review synthesizes information on the relationship of Amelanchier alnifolia (Saskatoon serviceberry) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the…
Author(s): Janet L. Howard
Year Published:

Fires occur frequently in dry forests of the Inland West. Fire effects vary across the landscape, reflecting topography, elevation, aspect, slope, soils, and vegetation attributes. Patches minimally affected by successive fires may be thought of as…
Author(s): Ann Camp, Chad Oliver, Paul F. Hessburg, Richard L. Everett
Year Published:

Provides information on fire ecology in forest habitat and community types occurring in northern Idaho. Identifies fire groups based on presettlement fire regimes and patterns of succession and stand development after fire. Describes forest fuels…
Author(s): Jane Kapler Smith, William C. Fischer
Year Published:

Species descriptions for Betula nana and Betula glandulosa.
Author(s): William J. de Groot, P. A. Thomas, Ross W. Wein
Year Published:

Issues related to forest health and the threat of larger, more destructive wildfires have led to major new initiatives to restructure and recompose forest communities in the western United States. Proposed solutions will depend, in part, on…
Author(s): Bruce E. Rieman, James L. Clayton
Year Published:

In the wake of the explosion of the 1986 space shuttle Challenger, a conventional explanation for the tragedy emerged: the economic strain on NASA caused managers to withhold information about safety violations in order to maintain the launch…
Author(s): Diane Vaughan
Year Published:

Forest Service Research Natural Areas are established to preserve examples of all significant natural ecosystems for comparison with those influenced andlor managed by humans, to provide educational and research areas for ecological and…
Author(s): Sarah E. Greene, Angela Evenden
Year Published:

An ecological process model of vegetation dynamics mechanistically simulates long-term stand dynamics on coniferous landscapes of the Northern Rocky Mountains. This model is used to investigate and evaluate cumulative effects of various fire regimes…
Author(s): Robert E. Keane, Penelope Morgan, Steven W. Running
Year Published: