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Ecosystem

Displaying 5281 - 5300 of 6016 results

Methods for the quantification of coarse woody debris volume and the description of spatial patterning were studied in the Tenderfoot Creek Experimental Forest, Montana. The line transect method was found to be an accurate, unbiased estimator of…
Author(s): Paul B. Alaback, Duncan C. Lutes
Year Published:

Mindful learning takes place with an awareness of contexts and of the ever-changing nature of information. A mindful approach is distinguished by three characteristics: the continuous creation of new categories, openness to new information, and an…
Author(s): Ellen J. Langer
Year Published:

Alder recognizes two decisions common to both the Mann Gulch and Storm King Mountain fires that influenced the behavior of firefighters during critical moments: 1) failing to question authority and 2) failing to obey authority. He argues that these…
Author(s): G. Stoney Alder
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:

We used 16 years of survey data for a moose population, and 3 Landsat satellite scenes, 19 years, to evaluate the hypotheses that Ontario's Moose Habitat Guidelines for timber harvest: (1) the effects of unmodified clearcuts on moose populations,…
Author(s): Robert S. Rempel, Philip C. Elkie, Arthur R. Rodgers, Michael J. Gluck
Year Published:

Wildfire is a major large-scale disturbance affecting terrestrial landscapes and lotic ecosystems in many regions of the world. We examined environmental and biological responses of 20 streams in Yellowstone National Park, U.S.A., over 5 years…
Author(s): G. Wayne Minshall, Christopher T. Robinson, Deron E. Lawrence
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:

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:

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 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:

The Yellowstone fires of 1988 affected >250000 ha, creating a mosaic of burn severities across the landscape and providing an ideal opportunity to study effects of fire size and pattern on postfire succession. We asked whether vegetation…
Author(s): Monica G. Turner, William H. Romme, Robert H. Gardner, William W. Hargrove
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:

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:

Sediment influx to channel networks is stochastically driven by rainstorms and other perturbations, which are discrete in time and space and which occur on a landscape with its own spatial variability in topography, colluvium properties, and state…
Author(s): Lee E. Benda, Thomas Dunne
Year Published:

This book focuses on the causes, consequences, and possible means of avoiding organizational accidents. While individual accidents are more frequent and often target the individual for blame, organizational accidents are deep rooted errors in the…
Author(s): James Reason
Year Published:

Acute toxicity tests were conducted with Hyalella azteca Saussure (an amphipod) exposed in soft and hard waters to three fire retardants (Fire‐Trol GTS‐R, Fire‐Trol LCG‐R, and Phos‐Chek D75‐F) and two foam suppressants (Phos‐Chek WD‐881 and Silv‐Ex…
Author(s): S. F. McDonald, Steven J. Hamilton, Kevin J. Buhl, James F. Heisinger
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:

To understand and avoid future calamities, decision makers must have a more accurate way of understanding past calamities. Most of what we know about calamities comes from eye witness accounts that favor relief efforts and damage reports rather than…
Author(s): Barry A. Turner, Nick F. Pidgeon
Year Published:

Presents maps of major fire episodes in the inland northwestern United States between 1540 and 1940 based on a compilation of fire history studies. Estimates annual acreage historically burned in this region and compares that with recent fire years.
Author(s): Stephen W. Barrett, Stephen F. Arno, James P. Menakis
Year Published: