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We present evidence that fire suppression may have contributed to the fungal decline of torreya (Torreya taxifolia). During the 1950's torreya suffered a catastrophic die-back. The torreya die-back was probably caused by needle pathogens induced through environmental stress.…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: conifers, fire frequency, fire suppression, fungi, light, microorganisms, needles, plant diseases, plant growth, seed germination, smoke effects, succession, Tall Timbers Research Station, threatened and endangered species (plants), topography, Torreya taxifolia, toxicity, wildfires

From the text...'Two studies recently looked at differences in impacts on National Ambient Air Quality Standards (NAAQS) and visibility from wildland fires (prescribed fire and wildfire). The First Study: was part of the analysis for the Columbia River Basin (CRB) Environmental…
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels, Models, Prescribed Fire
Region(s): Great Basin, Northwest
Keywords: air quality, coniferous forests, fire management, fuel appraisal, fuel management, land management, Oregon, particulates, pine forests, Pinus ponderosa, shrublands, smoke management, vegetation surveys, Washington, wildfires, wildlife

[no description entered]
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Models, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Northwest
Keywords: air quality, biomass, CO - carbon monoxide, combustion, duff, fire hazard reduction, fire management, forest management, fuel loading, fuel management, fuel models, land use, natural areas management, nutrients, particulates, smoke effects, smoke management

The Minimum Acceptable Visibility (MAV) table was originally provided by the California Highway Patrol in response to an inquiry  relative to acceptable highway visibility reduction caused by smoke. The table was included in chapter two of the 1991 edition of the National Park…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Communications, Emissions and Smoke, Prescribed Fire, Safety, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire smoke, roads, road corridor, road, smoke effects, smoke-induced fog, superfog, smoke

From the text...'FOFEM 4.0-A First Order Fire Effects Model-is a computer program developed to meet the needs of resource managers, planners, and analysts in predicting and planning for fire effects. Quantitative predictions of fire effects are needed for planning prescribed…
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Models, Planning, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: computer programs, fuel moisture, logging, mortality, post fire recovery, smoke management, wildfires

Poster abstract...A First Order Fire Effects Model (FOFEM) was developed to predict the direct consequences of prescribed fire and wildfire. FOFEM was designed for application to most areas of the United States. First order fire effects are the immediate or direct results of a…
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: computer programs, cover, cover type, duff, ecosystem dynamics, fire danger rating, fire management, fuel models, land management, mineral soils, mortality, Oregon, smoke effects, Washington, wildfires, wildlife, woody fuels

From the text...'Conclusions:..Our observations indicate that smoke alone will not necessarily drive spotted owls off their territories. Even fire in close proximity and very high levels of disturbance associated with fire-fighting failed to force the bullgrouse female to…
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Aquatic, Emissions and Smoke, Fire Behavior, Fire Effects, Prescribed Fire
Region(s): Great Basin, Northwest
Keywords: Abies grandis, cavity nesting birds, coniferous forests, crown scorch, disturbance, fire exclusion, fire intensity, fire management, firebreaks, forest management, lakes, land management, logging, mortality, Native Americans, old growth forests, Oregon, photography, Pinus ponderosa, post fire recovery, Pseudotsuga menziesii, salvage, smoke effects, Strix occidentalis, Washington, wildlife, wildlife habitat management

From the text...'The restoration of ecological processes is the key to promoting ecosystem stability and preserving biological integrity (Samson and Knopf 1993). Using prescribed fire to intentionally burn wildland biomass has been successful in restoring wildland fire regimes…
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Aquatic, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Occurrence, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Northwest
Keywords: agriculture, air quality, biomass, dendrochronology, fire exclusion, fire frequency, fire regimes, grazing, land management, land use, landscape ecology, nutrient cycling, Oregon, pollen, sedimentation, succession, Washington, wilderness fire management, wildfires, wildlife

Lightning causes one third of the 9000 wildfires that occur in Canada. Annually, these lightning-caused fires account for 90% of the area burned and cost Canadians at least 150 million dollars in suppression costs and values destroyed. Unlike the fires caused by human negligence…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Prevention, Fuels, Models, Weather, Economics
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Abies spp., Acer, Betula, boreal forests, Canada, computer programs, duff, fine fuels, fire control, fire management, fire suppression, firebrands, flammability, fuel loading, fuel models, fuel moisture, fuel types, hardwood forests, humidity, ignition, lightning, lightning caused fires, lightning effects, litter, moisture, physics, Picea, pine forests, pine hardwood forests, pine, Pinus strobus, Populus tremuloides, precipitation, rate of spread, smoke behavior, statistical analysis, storms, temperature, wildfires, wind, woody fuels

From the text...'If you are not using a Public Information Officer on your prescribed burn projects, you should consider doing so. A PIO will provide a valuable service. As you scramble to get the needed resources, equipment and weather data, they can concentrate on informing…
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, education, fire management, pH, public information

The noble and heroic 'paradigm' in wildland fire protection is the firefighter who protects forest and other wildlands from attack by fire. The driptorch-lugging prescribed burner carries few of the heroic trappings of suppression personnel. In this paper, we describe the…
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Ecology, Planning, Prescribed Fire
Region(s): California, Great Basin, Northwest, Southern
Keywords: air quality, catastrophic fires, Chapman, H.H., coniferous forests, droughts, education, evolution, fire case histories, fire protection, fire suppression, Florida, histories, national forests, Oregon, public information, smoke effects, Stoddard, H.L., trapping, wilderness fire management, wildlife refuges

From the Abstract: 'Fire managers face various problems, including: A. Classic urban interface issues. 1. Endangerment of private property, especially structures. 2. Air quality and smoke management. 3. Loss of cost-effectiveness by managing fire on extremely small parcels. B.…
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, education, fire management, Florida, fragmentation, introduced species, Pinus, public information, rocky habitats, smoke management, south Florida, wildlife

[no description entered]
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Prevention, Fuels, Hazard and Risk, Planning, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: ecosystem dynamics, Europe, Finland, fire case histories, fire exclusion, fire management, fire regimes, fire suppression, forest management, human caused fires, lightning caused fires, national forests, national parks, rural communities, Russia, suppression, wilderness fire management, wildfires

Equations for predicting duff and large woody fuel (7.6+ cm) consumption are summarized. Dependent variables are duff depth reduction, percentage duff depth reduction, percentage mineral soil, large fuel diameter reduction, and percentage large fuel reduction. Opportunities to…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Prevention, Fuels, Hazard and Risk, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Abies grandis, Artemisia tridentata, coniferous forests, conifers, duff, fire hazard reduction, fire management, fuel management, fuel models, grasses, mineral soils, pine forests, Pinus contorta, Pinus monticola, Pinus ponderosa, Pseudotsuga menziesii, wildfires, woody fuels

A prescribed fire was ignited near Chapleau, western Ontario, Canada, on the afternoon of August 10, 1989. The fire, covering approximately 400 ha, burned vigorously over a period of 3 hours, from 1400 to 1700 EDT, generating a plume cloud structure including a portion…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Fuels, Models, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Canada, distribution, field experimental fires, fire case histories, fire intensity, fire management, fuel loading, lightning, lightning effects, logging, Ontario, physics, site treatments, slash, smoke behavior, smoke effects, smoke management

After the serious smoke inversion conditions on the northern California and southern Oregon fires of 1987 and the Greater Yellowstone Area fires of 1988, the National Wildfire Coordinating Group (NWCG) hosted a conference - 'The Effect of Forest Fire Smoke on Firefighters'-in…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, northern California, Oregon, smoke behavior, smoke effects, Yellowstone National Park

[no description entered]
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Models, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: computer programs, fire suppression, smoke behavior, smoke effects, smoke management, storms

This paper draws on comments from 89 reporters who covered the fires, on comments from 146 of their new sources, and on evaluations of network television coverage by four groups of wildfire experts. The research also incorporates a content analysis of stories about the fires…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: bibliographies, catastrophic fires, education, environmental impact analysis, environmental impact statements, fire case histories, fire control, fire management, fire suppression, land management, national parks, public information, wildfires, Yellowstone National Park

Computers are rapidly expanding into the urban fire safety area. This paper presents some social implications caused by the use of computers for fire safety databases, arson prediction programs, and fire simulation programs. In regards to the new technological advances this…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Prevention, Hazard and Risk, Models, Planning, Safety, Social Science, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: Arizona, computer programs, fire control, fire danger rating, fire equipment, fire management, fire suppression, human caused fires, incendiary fires, Massachusetts, rate of spread, wildfires

The western national parks managed by the Canadian Parks Service (CPS) are dominated by fire dependent forests of lodgepole pine, spruce and trembling aspen. Values at risk and high-intensity fire regimes limit the acceptability of unscheduled (lightning and unplanned man)…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Aviation, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Logistics, Prescribed Fire, Fire Ecology
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: aerial ignition, age classes, Canada, coniferous forests, distribution, ecosystem dynamics, fire dependent species, fire injuries (plants), fire intensity, fire management, fire regimes, flame length, fuel types, headfires, human caused fires, ignition, lightning, lightning caused fires, mortality, national parks, Picea, pine forests, Pinus contorta, Pinus glabra, Populus tremuloides, prescribed fires (chance ignition)

[no description entered]
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Administration, Emissions and Smoke, Fire Behavior, Fire Effects, Fire Prevention, Fuels, Intelligence, Outreach, Planning, Prescribed Fire, Regulations and Legislation, Social Science, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: crowns, dead fuels, education, fire suppression, forest management, fuel management, general interest, Georgia, land management, litter, overstory, public information, smoke management, surface fires, understory vegetation

This policy statement has been prepared in response to plans by some Federal, tribal and State wildland owners/managers to significantly increase the use of wildland and prescribed fires to achieve resource benefits in the wildlands. Many wildland ecosystems are considered to…
Person:
Year: 1998
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Effects, Outreach, Planning, Prescribed Fire, Regulations and Legislation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, fire management, air pollution, smoke management, visibility, smoke management plan, air quality management

n this chapter we describe the results of airborne studies of smokes from 17 biomass fuel fires, including 14 prescribed fires and 3 wildfires, burned primarily in the temperate zone of North America between 34° and 49°N latitude. The prescribed fires were in forested lands…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fire Effects, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: North America, trace gases, smoke particulates, biomass fires

Due to the increasing concern about global climate change and the realization that biomass fires are a significant source of CO2, CH4, and other greenhouse gases, there is a need to quantify the emissions of these gases from biomass fires. The emissions from a wide variety of…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: CO - carbon monoxide, hydrocarbons, biomass fires

Emissions of trace gases and particulate matter from burning of biomass are generally factored into global climate models. Models for improving the estimates of the global annual release of emissions from biomass fires are presented. Estimates of total biomass consumed on a…
Person:
Year: 1991
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Fuels, Models
Region(s): California, Northwest
Keywords: PM - particulate matter, trace gas emissions, biomass burning, atmospheric chemistry