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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

[no description entered]
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Prevention, Fuels, Prescribed Fire, Restoration and Rehabilitation, Social Science, Weather, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin
Keywords: Adenostoma, air quality, amphibians, biogeography, Ceanothus, chaparral, coastal vegetation, community ecology, distribution, ecosystem dynamics, fire adaptations (plants), fire dependent species, fire regimes, fire suppression, fishes, fuel accumulation, fuel loading, grasslands, mammals, Mediterranean habitats, nongame birds, post fire recovery, reptiles, sclerophyll vegetation, small mammals, southern California, species diversity (animals), species diversity (plants), succession, wading birds, wildfires

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

Combustion products of burning vegetation can increase seed germination of many species of fire-prone plant communities. We tested the influence of heating sagebrush (Artemesia tridentata Nutt.) subcanopy soil, aqueous extracts of artificially burned soil, and sagebrush smoke on…
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire Occurrence, Fuels
Region(s): California, Great Basin
Keywords: Achnatherum, Artemisia tridentata, Bromus tectorum, combustion, Festuca idahoensis, fire frequency, fire intensity, fire management, germination, grass fires, grasses, grasslands, heat effects, Idaho, leaves, Nevada, plant communities, plant growth, Purshia tridentata, range management, rangelands, seed germination, seedlings, seeds, Sierra Nevada, smoke effects, smoke management, temperature

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

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

The use of prescribed fire in the wildland/urban interface is one of the greater challenges facing land managers today. Ecological goals must be balanced with political and societal constraints, such as laws and regulations and public perceptions regarding fire. Successful (or…
Person:
Year: 1998
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke
Region(s): California, Eastern, Southern
Keywords: education, fire management, New York, public information, smoke management, south Florida

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

We studied cross-seasonal changes in pulmonary function and respiratory symptoms in 52 wildland firefighters in Northern California. The mean cross-seasonal change in forced expiratory volume in 1 second (FEVI) was-1.2% (95% confidence interval [CI] -O.5, -2.0%) with a…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Weather
Region(s): California, Great Basin
Keywords: air quality, backfires, CO - carbon monoxide, combustion, dust, fire equipment, fire intensity, fire management, fire suppression, fuel types, gases, national forests, northern California, particulates, smoke effects, smoke management, topography, wilderness areas, wilderness fire management, wildfires

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

In 1985, Yosemite began using a geographic information system for fire management and research. The system has been used to compare historic fire incidence over a range of topography and vegetation types. Parkwide fuel inventories and prescribed burn units have also been…
Person:
Year: 1991
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Fuels, Mapping, Models, Planning, Prescribed Fire, Weather
Region(s): California
Keywords: BEHAVE, fire management, GIS - geographic information system, Yosemite National Park, research, Abies magnifica, chaparral, climatology, computer program, coniferous forests, fire frequency, fire growth, fire regimes, fire suppression, forest management, fuel accumulation, fuel inventory, fuel moisture, lightning, lightning caused fires, moisture, national parks, pine forests, Pinus ponderosa, ponderosa pine, Pinus contorta, lodgepole pine, radiation, rate of spread, statistical analysis, subalpine forests, temperature, topography, vegetation surveys, wind

The California chaparral community has a rich flora of species with different mechanisms for cuing germination to postfire conditions. Heat shock triggers germination of certain species but has no stimulatory effect on a great many other postfire species that are chemically…
Person:
Year: 1998
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects
Region(s): California
Keywords: chaparral, fire, NO2 - nitrogen dioxide, scarification, smoke-induced germination, seed coat

Prescribed fire is a tool used to manage vegetation in southern California. The nature and quantity of gaseous and particulate emissions have not been described for California chaparral. A study examining carbon monoxide (CO), carbon dioxide (CO2), and particulate matter…
Person:
Year: 1991
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels, Monitoring and Inventory, Prescribed Fire
Region(s): California
Keywords: chaparral, Adenostoma fasciculatum, Ceanothus crassifolius, Quercus dumosa, Arctostaphylos glandulosa, air quality, carbon dioxide, CO - carbon monoxide, combustion, experimental fire, fire management, firing techniques, gases, ignition, live fuels, moisture, particulates, Quercus dumosa, range management, scrub, season of fire, shrubs

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