Type
Topic
Region
Year
Displaying 3226 - 3250 of 5839
Sclerotia of Claviceps purpurea were collected from Kentucky bluegrass (Poa pratenris) seed fields and exposed to various temperature regimes in a kiln. Sclerotia lost their ability to germinate when exposed to 200oC for 116 s, 300oC for 48 s, or 400oC for 15 s. Exposures of 240…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects
Region(s): Great Basin, Northwest, Southern
Keywords: agriculture, Claviceps purpurea, fire intensity, fungi, germination, grasslands, human caused fires, hydrocarbons, Kentucky, land management, Oregon, plant diseases, plant growth, Poa, Poa pratensis, seed germination, smoke effects, soil temperature, statistical analysis, temperature, Washington, weeds
The independent effects of smoke, ash, and wet and dry heat treatments on seedling emergence from the soil seed bank were tested for soils from fire-prone heathy woodlands in western Victoria. A total of 763 individuals from 56 species were recorded from the surface soil samples…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels
Region(s): International
Keywords: air quality, ash, Australia, chemical elements, ecosystem dynamics, eucalyptus, Eucalyptus baxteri, fire intensity, fire sensitive plants, fuel accumulation, fuel moisture, fuel types, germination, heat, land management, Leptospermum, Leucopogon, pH, phosphorus, population density, regeneration, sclerophyll forests, seed dormancy, seedlings, site treatments, smoke effects, soil nutrients, soils, Victoria
In response to pressing needs, a new, GIS-based approach is being developed by the University of Florida and the Division of Forestry. Called the Enhanced Open Burning Authorization and Wildfire Suppression System, it is still a prototype undergoing testing. The primary module…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Ecology, Fuels, Mapping, Prescribed Fire
Region(s): Southern
Keywords: ecosystem dynamics, fire frequency, fire suppression, Florida, forest management, fuel appraisal, fuel loading, fuel types, GIS - geographic information system, GPS - global positioning system, grasslands, land management, particulates, Pinus clausa, Pinus elliottii, Pinus palustris, Pinus taeda, regeneration, smoke effects, smoke management, wetlands, wildfires
While the acreage may be smaller, urban burning presents many unique challenges. Photos of recent prescribed fires will be used to demonstrate successful techniques. Challenges include: - 4 known smoke sensitive asthmatics reside within 2 blocks of the burn site. - 1/4 mile…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: education, fire control, fire suppression, flame length, foam, roads, smoke effects, smoke management, urban habitats, wood
Some ecosystems will burn; it's just a question of when! So why are we surprised when the inevitable cycle repeats itself once again in the short interval fire-adapted ecosystems of California? Our failure to balance our important and effective fire suppression programs with an…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin
Keywords: air quality, biomass, chaparral, disturbance, ecosystem dynamics, fire adaptations, fire management, fire suppression, US Forest Service, understory vegetation, wildfires
The trade-offs between wildfire and prescribed fire for smoke emission and forest health often are dependent upon prevailing weather and climate patterns. Unfortunately, measurements of atmospheric variables are scarce, especially in complex terrain where many fire and health…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Ecology, Mapping, Models, Prescribed Fire, Weather
Region(s): Great Basin, Northwest
Keywords: air quality, coniferous forests, distribution, droughts, ecosystem dynamics, elevation, fire frequency, forest management, GIS, ignition, lightning, lightning caused fires, mountains, Oregon, precipitation, weather observations, wildfires, wind
The Green Swamp is a 16,000 acre nature preserve located in the southeastern coastal plain of North Carolina. Owned by The Nature Conservancy, it is managed to protect the indigenous assemblage of plants and animals of the area. The swamp supports longleaf pine savannas…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Aquatic, Emissions and Smoke, Fuels, Prescribed Fire
Region(s): Southern
Keywords: air quality, bogs, coastal plain, fire intensity, fire management, firebreaks, fragmentation, fuel loading, hydrology, land management, longleaf pine, North Carolina, organic soils, Pinus palustris, plantations, pocosins, savannas, smoke management, soils, swamps, wildlife refuges
Total particulate matter (PM) emissions were estimated for recent fires (1979-1990) and the presettlement period (prior to 1935) in the Selway-Bitterroot Wilderness (SEW) in Idaho and Montana. Recent period emissions were calculated by l0-day periods for surface fire and crown…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire History, Fire Prevention, Fuels, Models, Prescribed Fire, Regulations and Legislation, Weather
Region(s): Great Basin, Northern Rockies
Keywords: Abies grandis, air quality, coniferous forests, fire management, fire regimes, fire suppression, forest management, fuel accumulation, fuel models, Idaho, Montana, natural resource legislation, Pinus ponderosa, presettlement fires, Pseudotsuga menziesii, Selway-Bitterroot Wilderness Areas, smoke management, wilderness fire management, wildfires
There is new constitutional law affecting the govemment's ability to regulate private property. That law applies in circumstances where regulation eliminates all economically beneficial use of property or attaches unreasonable conditions to permits for regulated activity. This…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Prescribed Fire, Regulations and Legislation, Economics
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: burning permits, liability, natural resource legislation, smoke management
About 4.4 million acres of forestland in the South are prescribed burned each year. In some states, the area burned has been decreasing steadily. Some industrial owners plan to burn less in the future because of increased regulation and liability risks associated with burning,…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Prescribed Fire, Regulations and Legislation
Region(s): Southern
Keywords: air quality, burning permits, education, liability, public information, smoke management, wildfires, wood
Early 1900 wildfires throughout much of the Adirondack Mountain landscape resulted in the prohibition of prescribed burns within the Adirondack and Catskill Parks boundaries and restriction of prescribed burning to only non-forested areas (i.e., grasslands) throughout the…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Intelligence, Outreach, Prescribed Fire, Regulations and Legislation, Social Science, Wildland-Urban Interface (WUI)
Region(s): Eastern
Keywords: Abies spp., barrens, conservation, education, fire management, grasslands, New York, pine barrens, public information, smoke management, wildfires
Prescribed fire as a social issue becomes automatically an ecological, political, and economic issue. Any issue that affects us socially we take to the political arena, and its final resolution will involve the costs of different avenues to resolving the issue. Unfortunately,…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Effects, Fire History, Fire Prevention, Outreach, Prescribed Fire, Social Science
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: conservation, education, European settlement, fire control, fire exclusion, fire suppression, human caused fires, prehistoric fires, public information, wilderness fire management
In California, the percentage of wildland which is prescribed burned has been declining for many years. Fear of litigation, environmental concerns, and public perceptions seem to be the stumbling blocks. Is the reverse true: if we stop prescription burning, will we alleviate our…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Fire Prevention, Hazard and Risk, Prescribed Fire, Regulations and Legislation, Wildland-Urban Interface (WUI)
Region(s): California, Great Basin
Keywords: archaeological sites, education, erosion, erosion control, fire hazard reduction, fire protection, fire suppression, liability, natural resource legislation, public information, season of fire, wilderness fire management, wildfires
Legal liability for prescribed burning has been and will be of significant importance to those engaged in this type of activity, In what situations will the prescribed burner be held pecuniarily liable? What factual scenarios denote non-liability? What are the statutory…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Prescribed Fire, Regulations and Legislation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, burning permits, fire management, fire protection, land management, liability, smoke management, water quality
Managers of designated wilderness or conservation areas, especially those that are fire-dependent, often face a major dilemma. It is essential that fire perform its natural role of rejuvenating the ecosystem. Standards of environmental regulation, stewardship responsibilities…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Aquatic, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Prevention, Intelligence, Outreach, Prescribed Fire, Regulations and Legislation, Social Science, Economics, Wildland-Urban Interface (WUI)
Region(s): Southern
Keywords: aesthetics, air quality, archaeological sites, Aristida stricta, burning permits, conservation, ecosystem dynamics, education, fire dependent species, fire management, fire protection, flatwoods, Georgia, hunting, lakes, liability, natural resource legislation, Okefenokee Swamp, Pinus palustris, pocosins, pollution, public information, recreation, rivers, smoke management, swamps, threatened and endangered species, water, wetlands, wilderness areas, wilderness fire management, wildfires, wildlife, wildlife refuges
Although the Yosemite Wilderness was not established until 1984, prescribed planned fires and prescribed natural fires have been used in the area now designated as wilderness since the early 1970s. The prescribed fire programs have the objective of restoring and maintaining…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Prescribed Fire, Restoration and Rehabilitation
Region(s): Rocky Mountain
Keywords: coniferous forests, fire suppression, forest management, lightning, multiple resource management, national parks, prescribed fires (chance ignition), smoke management, wilderness areas, wilderness fire management, wildfires, Wyoming, Yosemite National Park
Natural processes are clearly provided for in the Wilderness Act of 1964. This Act defines wilderness as a large land area which is primarily affected by the forces of nature. In addition, the defined purpose of the Act was to assure these lands were to be preserved and…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Mapping, Regulations and Legislation, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, coniferous forests, conifers, disturbance, ecosystem dynamics, fire adaptations, forest management, lightning caused fires, multiple resource management, natural resource legislation, pine forests, pine, prescribed fires (chance ignition), recreation, threatened and endangered species, water, water quality, wilderness areas, wilderness fire management, wildfires
Wildfires during the summer of 1994 have brought the issue of forest health and wildfire smoke to the forefront of public attention. During this same period, western state air managers have become aware of the serious nature of the wildland fire - clean air dilemma. After two…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Mapping, Prescribed Fire, Regulations and Legislation
Region(s): Northern Rockies, Northwest, Rocky Mountain
Keywords: air quality, coniferous forests, ecosystem dynamics, education, forest management, GIS, Idaho, national parks, natural resource legislation, Oregon, public information, smoke management, wilderness areas, wilderness fire management, wildfires, Wyoming, Yellowstone National Park
Some of the highest tree mortality in the country is occurring in the forests of the Blue Mountains in northeastern Oregon. The frequency and magnitude of wildfire in the four national forests (six million acres) which comprise this area has increased dramatically over the last…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire History, Fuels, Prescribed Fire, Regulations and Legislation
Region(s): Northwest
Keywords: air quality, coniferous forests, conifers, ecosystem dynamics, fire frequency, fire suppression, forest management, fuel accumulation, low intensity burns, mortality, mountains, multiple resource management, national forests, natural resource legislation, Oregon, pine forests, pine, site treatments, slash, smoke management, wildfires
To implement Section 176 (c) of the Clean Air Act, The Environmental Protection Agency (EPA) has issued a 'conformity' rule outlining the procedures and criteria to ensure that federal actions conform to the appropriate State Implementation Plans (SIP). The rule applies to areas…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, 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, natural resource legislation, particulates, smoke management
The Clean Air Act (Act) includes several provisions that can affect prescribed burning activity conducted by land managers. The provisions include reasonably and best available control measures for prescribed burning in the form of smoke management, a requirement that Federal…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Economics, Emissions and Smoke, Prescribed Fire, Regulations and Legislation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, Appalachian Mountains, burning permits, education, natural resource legislation, particulates, public information, smoke management, wildfires
'We're through with Prescribed Burning!' That was the order given to field fire specialists by Federal fire management officers in Oregon in 1974. This order was in direct response to the first set of Clean Air Act Regulations issued by the Oregon State Department of…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Intelligence, Outreach, Prescribed Fire, Regulations and Legislation, Social Science
Region(s): Northwest, Southern
Keywords: aesthetics, air quality, central Florida, ecosystem dynamics, education, fire exclusion, fire management, forest management, land management, national forests, natural resource legislation, Oregon, public information, threatened and endangered species, US Forest Service, wildlife refuges
Wildland fires are an integral part of many ecosystems across North America; and these ecosystems often exhibit adaptations to periodic fire. These fire-adapted ecosystems are often termed fire-dependent, if recurring disturbances by fire are essential to the functioning of the…
Person:
Year: 1997
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Outreach, Prescribed Fire, Regulations and Legislation, Social Science
Region(s): Northwest, Southern, International
Keywords: adaptation, air quality, Canada, charcoal, coniferous forests, disturbance, ecosystem dynamics, fire hazard reduction, fire management, fire regimes, fire suppression, Florida, fuel accumulation, histories, liability, lightning, multiple resource management, natural resource legislation, Oregon, pine forests, public information, smoke management, trees, volcanoes, wilderness fire management, wildfires, wildlife
The capture of fire by the genus Homo changed forever the natural history of the Earth. Even today fire appears at the core of many popular scenarios for an environmental apocalypse. Yet the larger history of fire - the varied ways human society have sought to use and control…
Person:
Year: 1994
Type: Document
Source: TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fuels, Economics, Fire Ecology
Region(s): Alaska, California, Great Basin, International
Keywords: aborigines, agriculture, air quality, Australia, biomass, charcoal, combustion, Europe, everglades, Finland, fire adaptations (plants), fire exclusion, forest management, fuel appraisal, Greece, histories, human caused fires, ignition, lightning caused fires, Mediterranean habitats, prehistoric fires, Scandinavia, season of fire, slash and burn, statistical analysis, Sweden, wildlife habitat management
From the text... 'A brief report by four scientists of The Nature Conservancy in Florida [about a method for propagating wiregrass included the following steps] ... Collect seeds from central Florida sites five to eight months after summer burn. Place seeds on moist filter paper…
Person:
Year: 1991
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Prescribed Fire
Region(s): Southern, International
Keywords: Apalachicola Bluffs, Aristida stricta, central Florida, conifers, European settlement, evergreens, fire adaptations (animals), fire adaptations (plants), Florida, flowering, Gopherus polyphemus, land management, lightning caused fires, north Florida, Pinus palustris, plant diseases, population ecology, regeneration, reproduction, sandhills, season of fire, seed production, seeds, smoke effects, species diversity (animals), species diversity (plants), threatened and endangered species (plants), Torreya, Torreya taxifolia