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Author : Douglas Scott Cram
Publisher : Unknown
Page : 36 pages
File Size : 54,8 Mb
Release : 2006
Category : Forest fires
ISBN : MINN:31951D02716582E
Author : Douglas Scott Cram
Publisher : Unknown
Page : 28 pages
File Size : 50,6 Mb
Release : 2006
Category : Forest fires
ISBN : LCCN:2006361830
Stand-replacement fires, particularly in ponderosa pine (Pinus ponderosa) forests, have replaced highfrequency, low-intensity historical fire regimes. We examined whether forest stands treated recently using silvicultural practices would be (1) less susceptible to stand-replacing crownfires, and (2) more ecologically and functionally resilient compared to untreated stands following extreme wildland fire. Reports detailing wildland fire behavior in treated stands remain largely anecdotal. We compared fire severity indices, fireline intensity (btu/ft/s), stand characteristics including canopy bulk density (kg/m3), and post-fire recovery indices in silviculturally treated vs. untreated forest stands in New Mexico and Arizona. Results indicated fire severity in pine-grassland forests was lowered when surface and aerial fuel loads were reduced. Specifically, as density (stems/ac) and basal area (ft2/ac) decreased and mean tree diameter (in) increased, fire severity and fireline intensity decreased. The more aggressive the treatment (i.e., where the canopy bulk density was reduced), the less susceptible forest stands were to crownfire. However, mechanical treatments where slash was scattered rendered stands susceptible to near stand-replacement type damage when wildfire occurred within 4 years of treatment. On our study sites, mechanical treatment followed by prescribed fire had the greatest impact toward mitigating fire severity (i.e., aerial and surface fuels were reduced). Treated stands were also more ecologically and functionally resilient than untreated forest stands following wildland fire.
Author : Anonim
Publisher : Unknown
Page : 38 pages
File Size : 51,6 Mb
Release : 1998
Category : Forests and forestry
ISBN : UCR:31210023854720
Author : Anonim
Publisher : Unknown
Page : 396 pages
File Size : 47,7 Mb
Release : 2011
Category : Electronic
ISBN : NWU:35556040927303
Author : United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Clean Air and Nuclear Safety,United States. Congress. Senate. Committee on Environment and Public Works
Publisher : Unknown
Page : 396 pages
File Size : 53,9 Mb
Release : 2015
Category : Alcohol as fuel
ISBN : STANFORD:36105050690754
Author : Francisco Castro Rego,Penelope Morgan,Paulo Fernandes,Chad Hoffman
Publisher : Springer Nature
Page : 670 pages
File Size : 55,7 Mb
Release : 2021-09-24
Category : Nature
ISBN : 9783030698157
This textbook provides students and academics with a conceptual understanding of fire behavior and fire effects on people and ecosystems to support effective integrated fire management. Through case studies, interactive spreadsheets programmed with equations and graphics, and clear explanations, the book provides undergraduate, graduate, and professional readers with a straightforward learning path. The authors draw from years of experience in successfully teaching fundamental concepts and applications, synthesizing cutting-edge science, and applying lessons learned from fire practitioners. We discuss fire as part of environmental and human health. Our process-based, comprehensive, and quantitative approach encompasses combustion and heat transfer, and fire effects on people, plants, soils, and animals in forest, grassland, and woodland ecosystems from around the Earth. Case studies and examples link fundamental concepts to local, landscape, and global fire implications, including social-ecological systems. Globally, fire science and integrated fire management have made major strides in the last few decades. Society faces numerous fire-related challenges, including the increasing occurrence of large fires that threaten people and property, smoke that poses a health hazard, and lengthening fire seasons worldwide. Fires are useful to suppress fires, conserve wildlife and habitat, enhance livestock grazing, manage fuels, and in ecological restoration. Understanding fire science is critical to forecasting the implication of global change for fires and their effects. Increasing the positive effects of fire (fuels reduction, enhanced habitat for many plants and animals, ecosystem services increased) while reducing the negative impacts of fires (loss of human lives, smoke and carbon emissions that threaten health, etc.) is part of making fires good servants rather than bad masters.
Author : Anonim
Publisher : Unknown
Page : 582 pages
File Size : 51,6 Mb
Release : 2008
Category : Electronic
ISBN : NWU:35556030751770
Author : Anonim
Publisher : Unknown
Page : 250 pages
File Size : 40,8 Mb
Release : 2008
Category : Electronic
ISBN : NWU:35556034517367
Author : Anonim
Publisher : Unknown
Page : 244 pages
File Size : 52,8 Mb
Release : 2008
Category : Forest management
ISBN : MINN:31951D028810951
The Forest Vegetation Simulator (FVS) is a suite of computer modeling tools for predicting the long-term effects of alternative forest management actions. FVS was developed in the early 1980s and is used throughout the United Sates and British Columbia. The Third FVS conference, held February 13-15, 2007, in Fort Collins Colorado, contains 20 papers. They describe the use of FVS on the stand and landscape scale, and to analyze fuels management in the presence of insects and fire. Several papers compare FVS predictions of the effects of insects and disease to field measurements. FVS is continually evolving and improving in technology and capability to meet the needs of its ever increasing user community. Papers describe new methods for data acquisition and preparation for input to FVS, new economic analysis capabilities within FVS, new methods for simulating forest regeneration, new developments in calculating growth and mortality, and future plans for incorporating the effects of climate change in model simulations.
Author : Anonim
Publisher : Unknown
Page : 244 pages
File Size : 52,5 Mb
Release : 1998
Category : Forests and forestry
ISBN : CHI:76228774
Author : Anonim
Publisher : Unknown
Page : 100 pages
File Size : 40,6 Mb
Release : 1998
Category : Forests and forestry
ISBN : UOM:39015072685996
Author : John R. Weir
Publisher : Texas A&M University Press
Page : 212 pages
File Size : 44,6 Mb
Release : 2009-10-26
Category : Nature
ISBN : 1603441344
Landowners and managers, municipalities, the logging and livestock industries, and conservation professionals all increasingly recognize that setting prescribed fires may reduce the devastating effects of wildfire, control invasive brush and weeds, improve livestock range and health, maintain wildlife habitat, control parasites, manage forest lands, remove hazardous fuel in the wildland-urban interface, and create residential buffer zones. In this practical and helpful manual, John R. Weir, who has conducted more than 720 burns in four states, offers a step-by-step guide to the systematic application of burning to meet specific land management needs and goals.
Author : Anonim
Publisher : Unknown
Page : 694 pages
File Size : 47,5 Mb
Release : 2009
Category : Electronic
ISBN : NWU:35556038314803
Author : J. E. Keeley
Publisher : DIANE Publishing
Page : 100 pages
File Size : 51,9 Mb
Release : 2011-05
Category : Technology & Engineering
ISBN : 9781437926118
Provides an ecological foundation for mgmt. of the diverse ecosystems and fire regimes of N. America, based on scientific principles of fire interactions with vegetation, fuels, and biophysical processes. Detailed discussion of six ecosystems ¿ ponderosa pine forest (western N. America), chaparral (Calif.), boreal forest (Alaska and Canada), Great Basin sagebrush (inter-mountain West), pine and pine-hardwood forests (Southern Appalachian Mountains), and longleaf pine (Southeastern U.S.) ¿ illustrates the complexity of fire regimes and that fire mgmt. requires a clear regional focus that recognizes where conflicts might exist between fire hazard reduction and resource needs. Illustrations. This is a print on demand report.
Author : Anonim
Publisher : Unknown
Page : 102 pages
File Size : 51,9 Mb
Release : 2009
Category : Ecosystem management
ISBN : MINN:31951D02938265Q
This synthesis provides an ecological foundation for management of the diverse ecosystems and fire regimes of North America, based on scientific principles of fire interactions with vegetation, fuels, and biophysical processes. Although a large amount of scientific data on fire exists, most of those data have been collected at small spatial and temporal scales. Thus, it is challenging to develop consistent science-based plans for large spatial and temporal scales where most fire management and planning occur. Understanding the regional geographic context of fire regimes is critical for developing appropriate and sustainable management strategies and policy. The degree to which human intervention has modified fire frequency, intensity, and severity varies greatly among different ecosystems, and must be considered when planning to alter fuel loads or implement restorative treatments. Detailed discussion of six ecosystems--ponderosa pine forest (western North America), chaparral (California), boreal forest (Alaska and Canada), Great Basin sagebrush (intermountain West), pine and pine-hardwood forests (Southern Appalachian Mountains), and longleaf pine (Southeastern United States)-- illustrates the complexity of fire regimes and that fire management requires a clear regional focus that recognizes where conflicts might exist between fire hazard reduction and resource needs. In some systems, such as ponderosa pine, treatments are usually compatible with both fuel reduction and resource needs, whereas in others, such as chaparral, the potential exists for conflicts that need to be closely evaluated. Managing fire regimes in a changing climate and social environment requires a strong scientific basis for developing fire management and policy.