Documentation of the Modeling of Potential Vegetation at Three Spatial Scales Using Biophysical Settings in the Columbia River Basin Assessment Area PDF Download
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Category :
Languages : en
Pages :
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Author:
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Category :
Languages : en
Pages :
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Category : Biotic communities
Languages : en
Pages : 352
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Category : Forests and forestry
Languages : en
Pages : 1092
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Author: Robert E. Keane
Publisher:
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Category : Forest dynamics
Languages : en
Pages : 56
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Author:
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Category : Forests and forestry
Languages : en
Pages : 760
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Author:
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ISBN:
Category : Forests and forestry
Languages : en
Pages : 56
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Book Description
Author: R Neil Sampson
Publisher: CRC Press
ISBN: 9781560220718
Category : Science
Languages : en
Pages : 376
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Develop accurate computer models to determine wildfire risks and controlled-burn benefits! Although scientists now recognize that fire is essential to many ecosystems, the ecological and political issues of managing wildfire continue to be vexing. Mapping Wildfire Hazards and Risks offers multiple perspectives on using a Geographic Information System (GIS) for more effective wildfire management. This innovative technology is the ideal tool to organize and display all the information available, so authorities can make informed judgments based on all the facts. Because the authors are not merely theorizing but discussing the GIS they are actually building and using, Mapping Wildfire Hazards and Risks offers practical ideas and perspectives, including: specific information on the modeling approach and kinds of data utilized valuable discussions of the social and environmental factors included in the model techniques for predicting the effects of wildfire on neighborhoods, soil erosion, sedimentation, and air quality predictions of long-term ecosystem recovery given wildfires of different sizes and intensities maps, charts, tables, and formulas to make the process of building a GIS understandable and accessible Mapping Wildfire Hazards and Risks is a compilation of the ideas of federal and state agencies, universities, and non-governmental organizations on how to rank and prioritize forested watershed areas that are in need of prescribed fire. This book provides the essential information for deciding how to set priorities for wildfire management that might reduce risks or lower future damages.
Author: Steven K. Rust
Publisher:
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Category : Biodiversity
Languages : en
Pages : 136
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A representativeness assessment of National Forest System (N FS) Research Natural Areas in ldaho summarizes information on the status of the natural area network and priorities for identification of new Research Natural Areas. Natural distribution and abundance of plant associations is compared to the representation of plant associations within natural areas. Natural distribution and abundance is estimated using modeled potential natural vegetation, published classification and inventory data, and Heritage plant community element occurrence data. Minimum criteria are applied to select only viable, high quality plant association occurrences. In assigning natural area selection priorities, decision rules are applied to encompass consideration of the adequacy and viability of representation. Selected for analysis were 1,024 plant association occurrences within 214 natural areas (including 115 NFS Research Natural Areas). Of the 1,566 combinations of association within ecological sections, 28 percent require additional data for further analysis; 8, 40, and 12 percent, respectively, are ranked from high to low conservation priority; 13 percent are fully represented. Patterns in natural area needs vary between ecological section. The result provides an operational prioritization of Research Natural Area needs at landscape and subregional scales. Objective ranking criteria provide clear accounting of priority assignments that are easily updated to reflect changing information or conditions.
Author: Robert E. Keane
Publisher:
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Category : Forest fire forecasting
Languages : en
Pages : 72
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Fuel and vegetation spatial data layers required by the spatially explicit fire growth model FARSITE were developed for all langs in and around the Selway-Bitterroot Wilderness Area in Idaho and Montana. Satellite imagery and terrain modeling were used to create the three base vegetation spatial data layers of potential vegetation, cover type, and structural stage. Fire behavior fuel models and crown characteristics were assigned to combinations of base layer categories on these maps by local fire managers, ecologists, and existing data. FARSITE fuels maps are used to simulate growth of prescribed natural fires in the wilderness area, aiding managers in the planning and allocation of resources. An extensive accuracy assessment of all maps indicated fuels layers are about 60 percent accurate. This methodology was designed to be replicated for other areas.
Author: Jerry D. Greer
Publisher: American Society for Photogrammetry & Remote Sensing
ISBN:
Category : Nature
Languages : en
Pages : 456
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Book Description
"Sponsored by: United States Department of Agriculture, Forest Service Remote Sensing Applications Center, Salt Lake City, Utah and Stephen F. Austin State University, Arthur Temple College of Forestry, Nacogdoches, Texas."
