Skip to main content

Displaying 76 - 100 of 223

From the text ... 'Prescribed burning is a significant source of fine particulate matter (PM2.5) in the southeastern United States. However, limited data exist on the emission characteristics from this source. Various organic and inorganic compounds both in the gas and particle…
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Prescribed Fire
Region(s): Southern
Keywords: aerosols, air quality, C - carbon, chemical compounds, chemistry, coniferous forests, fire hazard reduction, fire management, forest management, fuel accumulation, fuel management, gases, Georgia, military lands, nongame birds, particulates, Picoides borealis, pine forests, smoke management, soil organisms, threatened and endangered species (animals), wildfires, wood, Fort Benning, FORT GORDON, levoglucosan, POC - Particulate Organic compound, VOC - volatile organic compounds

Biologicaily rich savannas and woodlands dominated by Pinus palustris once dominated the southeastern U.S. landscape. With European settlement, fire suppression, and landscape fragmentation, this ecosystem has been reduced in area by 97%. Half of remnant forests are not burned…
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Prevention, Fuels, Hazard and Risk, Prescribed Fire, Restoration and Rehabilitation
Region(s): Southern, International
Keywords: Acer rubrum, Alabama, Carya pallida, Carya tomentosa, char, combustion, community ecology, competition, coniferous forests, conservation, disturbance, duff, ecosystem dynamics, European settlement, fire dependent species, fire exclusion, fire hazard reduction, fire management, fire regimes, fire suppression, forest management, fragmentation, fuel accumulation, Georgia, Liquidambar styraciflua, litter, longleaf pine, Louisiana, Magnolia grandiflora, military lands, mineral soils, mortality, mycorrhiza, national forests, native species (plants), natural areas management, north Florida, Nyssa sylvatica, organic matter, overstory, pine, Pinus echinata, Pinus elliottii, Pinus elliottii densa, Pinus palustris, Pinus taeda, plant communities, plant physiology, population density, population ecology, post fire recovery, Prunus serotina, Quercus geminata, Quercus hemisphaerica, Quercus incana, Quercus laevis, Quercus margaretta, Quercus marilandica, Quercus nigra, roots, savannas, scorch, smoke effects, South Carolina, stand characteristics, state parks, suppression, understory vegetation, vegetation surveys, wildfires, ecological restoration, fire suppression, longleaf pine, smoldering duff combustion, fire reintroduction

[no description entered]
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Models, Monitoring and Inventory, Prescribed Fire, Wildland-Urban Interface (WUI)
Region(s): Rocky Mountain
Keywords: air quality, Colorado, fire case histories, fire management, ozone, particulates, smoke effects, smoke management, statistical analysis, wildfires, wind, AER - Air-Exchange Rate, PE - Penetration Factor, mitigation measures

The ability of plant-derived smoke to act as a germination cue in many species has led to widespread interest in this aspect of seed biology. Recently, 3-methyl-2H-furo[2,3-c]pyran-2-one was identified as the main germination cue from smoke. Here, we report on the formation of…
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects
Region(s): International
Keywords: Adenostoma, Africa, chaparral, chemical compounds, chemistry, fire dependent species, fynbos, germination, heat, heat effects, Lactuca sativa, Mediterranean habitats, nutrients, Oryza sativa, pH, protein, seed germination, smoke management, soil temperature, South Africa, statistical analysis, Themeda triandra, water, wildfires, amino acid, aminocarbonyl, carbohydrates, Maillard reaction, plant-derived smoke, seed germination, sugar

[no description entered]
Person:
Year: 2001
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: aerosols, air quality, biomass, combustion, elevation, gases, Indonesia, Kalimantan, minerals, particulates, peat, K - potassium, radiation, smoke effects, soil management, S - sulfur, tropical forests, wildfires, aerosol particles, biomass burning, Indonesia, ECX analysis, elemental composition, peat combustion

Traveling the borderland between modern Montana and the endless expanse of what's now known as southern Alberta. Still smoking all around, the explorer notes: 'grass having been lately burnt,' 'grass nearly all burnt,' 'grass yet burning.' For days, his journals are filled with…
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Ecology, Fire History, Fuels, Mapping, Prescribed Fire, Restoration and Rehabilitation
Region(s): Northern Rockies, International
Keywords: Alberta, Canada, community ecology, digital data collection, ecosystem dynamics, education, European settlement, fire regimes, fire suppression, forest management, general interest, grasses, grasslands, histories, hunting, landscape ecology, light, lightning, Montana, mortality, mountains, Native Americans, presettlement fires, public information, succession, suppression, wildfires, wildlife, wood, woody fuels, fire culture, MYTHOLOGY, TRIBAL FORESTERS, VIRTUAL FORESTS

From the text ... 'Restoration treatments can be ecologically as well as socially and economically beneficial. ... The fire regime at Girard was largely due to frequent burning by American Indians. ...Seeley Lake shows the importance of questioning the 'naturalness' of a given…
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Aquatic, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Hazard and Risk, Prescribed Fire, Restoration and Rehabilitation, Social Science, Wildland-Urban Interface (WUI)
Region(s): Northern Rockies
Keywords: age classes, catastrophic fires, Cervus elaphus, community ecology, competition, coniferous forests, conifers, crown fires, diameter classes, ecosystem dynamics, fire exclusion, fire frequency, fire hazard reduction, fire intensity, fire management, fire regimes, fire size, fire suppression, forage, forest fragmentation, forest management, insects, lakes, land management, Larix occidentalis, logging, mammals, Montana, national forests, Native Americans, nongame birds, old growth forests, overstory, Picea engelmannii, Pinus contorta, Pinus ponderosa, plant diseases, population density, Pseudotsuga menziesii, raptors, rate of spread, recreation, regeneration, smoke effects, stand characteristics, succession, US Forest Service, wilderness fire management, wildfires, wildlife habitat management

[no description entered]
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Restoration and Rehabilitation, Economics
Region(s): International
Keywords: agriculture, air quality, Amazon, Brazil, clearcutting, deforestation, ecosystem dynamics, forest fragmentation, forest management, gases, climate change, ground fires, histories, hydrology, livestock, logging, precipitation, soil erosion, South America, species diversity (plants), tropical forests, wildfires

[no description entered]
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Administration, Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fuels, Planning, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Abies balsamea, adaptation, age classes, arachnids, arthropods, boreal forests, Calathus ingratus, Canada, Carabidae, Cladium, clearcutting, Coleoptera, community ecology, coniferous forests, disturbance, ecosystem dynamics, forest management, grasslands, ground cover, habitat suitability, habitat types, habits and behavior, heat, heat effects, herbaceous vegetation, histories, insects, invertebrates, Kalmia angustifolia , landscape ecology, Larix laricina, Ledum groenlandicum, lichen moss fuels, lichens, logging, mortality, mosses, Picea mariana, population density, population ecology, Quebec, regeneration, reproduction, soils, statistical analysis, temperature, trapping, understory vegetation, Vaccinium, wildfires, xeric soils, boreal forest, community response, disturbance, forest fire, ground beetles, logging, fire-prone landscapes, PTEROSTICHUS BREVICORNIS

From the text ... 'The August 2004 issue of the Canadian Journal of forest Research (volume 34[8]) is devoted to a special topic: 'The International Crown Fire Modelling Experiment (ICFME) in Canada's Northwest Territories: Advancing the Science of Fire Behaviour.' Running from…
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fuels, Models, Safety, Wildland-Urban Interface (WUI)
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Canada, charcoal, crown fires, experimental fires, fire management, firefighting personnel, forest management, fuel types, histories, Northwest Territories, Picea mariana, Pinus banksiana, regeneration, sedimentation, Tall Timbers Research Station, US Forest Service, wilderness areas, wildfires, wildlife

From the text ... 'In Federal land management, ecological restoration has emerged in recent years as an alternative to the intensive management for commercial resource extraction widely practiced following World War II and the passive management -- 'letting Nature heal herself…
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fuels, Restoration and Rehabilitation, Social Science, Wildland-Urban Interface (WUI)
Region(s): Great Basin
Keywords: Abies spp., Arizona, community ecology, coniferous forests, ecosystem dynamics, fire adaptations (plants), fire management, fire regimes, fuel appraisal, histories, Juniperus, land management, Larix occidentalis, national forests, Native Americans, pine forests, Pinus albicaulis, Pinus contorta, Pinus edulis, Pinus ponderosa, plant communities, Populus, private lands, Sequoiadendron giganteum , smoke behavior, state forests, threatened and endangered species (plants), Washington, wilderness areas, wilderness fire management, wildfires

[no description entered]
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Models, Prescribed Fire
Region(s): Northern Rockies
Keywords: air quality, chemical compounds, chemistry, combustion, coniferous forests, fire management, forest products, Montana, particulates, sampling, season of fire, slash, smoke management, wildfires

Twelve 60-m2 plots were cut and weighed in a clearing at a cattle ranch near Manaus, Amazonas, Brazil. Aboveground dry weight biomass averaged 369 metric tons (Mg ha−1) (SD=187). This corresponds to ≈483 Mg ha−1 total biomass. Pre- and post-burn aboveground biomass loading was…
Person:
Year: 2001
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fuels, Monitoring and Inventory, Restoration and Rehabilitation
Region(s): International
Keywords: biomass, burning intervals, deforestation, greenhouse gases, tropical forest, Brazil, rainforest, CO2 - carbon dioxide, Amazon, axis, C - carbon, charcoal, cutting, fire management, diameter classes, forest management, gases, human caused fires, litter, livestock, palms, post-fire recovery, sampling, vines, wood

Predicted daily fluxes from an ecosystem model for water, carbon dioxide, and methane were compared with 1994 and 1996 Boreal Ecosystem Atmosphere Study (BOREAS) field measurements at sites dominated by old black spruce (Picea mariana (Mill.) BSP) (OBS) and boreal fen vegetation…
Person:
Year: 2001
Type: Document
Source: FRAMES
Topic(s): Climate, Emissions and Smoke, Models
Region(s): International
Keywords: boreal forest, Canada, ecosystem modeling, black spruce, BOREAS - Boreal Ecosystem-Atmosphere Study, Manitoba, methane flux, CO2 flux, NPP - net primary production, boreal fen vegetation

Forest-fire policy of U.S. federal agencies has evolved from the use of small patrols in newly created National Parks to diverse policy initiatives and institutional arrangements that affect millions of hectares of forests. Even with large expenditures and substantial…
Person:
Year: 2005
Type: Document
Source: FRAMES, TTRS
Topic(s): Administration, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Outreach, Planning, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fire hazard, fire suppression, fuel management, forest policy, catastrophic fires, coniferous forests, conservation, dead fuels, duff, ecosystem dynamics, education, environmental assessment, fire hazard reduction, fire intensity, fire management, fire management planning, fire size, forest management, fuel types, grasses, herbaceous vegetation, human caused fires, litter, National Fire Plan, national forests, national parks, natural resource legislation, Pinus contorta, lodgepole pine, Pinus jeffreyi, Pinus ponderosa, ponderosa pine, public information, shrubs, smoke management, surface fires, thinning, threatened and endangered species, US Forest Service, vulnerable species or communities, wilderness fire management, woody fuels, wildfires, wildlife refuges

African savannah fires are key sources of trace gases and aerosols, yet their true magnitude remains relatively poorly constrained. Here we present a detailed investigation of the amount of unburned material remaining in the ash produced by such fires, and examine whether this…
Person:
Year: 2005
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fuels
Region(s): International
Keywords: combustion, savannas, Africa, biomass burning, global climate change, Botswana, global emission budgets, LOI - loss on ignition, aerosols, air quality, ash, C - carbon, biomass, experimental fire, fire exclusion, fire management, gases, ignition, leaves, litter, national parks, N - nitrogen, post-fire recovery, range management, statistical analysis, woody fuels, volatilization, wildfires

Siberian boreal forest fires burn large areas annually, resulting in smoke that releases large amounts of particulate emission into the atmosphere. We sampled aerosol emissions from experimental fires on three Scots pine (Pinus sylvestris L.) forest sites of central Siberia.…
Person:
Year: 2005
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: experimental fire, PM - particulate matter, Pinus sylvestris, Siberia, Scots pine, aerosol emissions

The United States Environmental Protection Agency (EPA) will implement new regulations for the management of atmospheric particulate matter 2.5 µm and less in diameter (PM2.5), tropospheric ozone, and regional haze in the next few years. These three air quality issues relate…
Person:
Year: 2001
Type: Document
Source: FRAMES
Topic(s): 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: smoke management, PM2.5 emissions, air quality regulations

Fire modeling and information system technology play an important supporting role in fuel and fire management. Modeling is used to examine alternative fuel treatment options, project potential ecosystem changes, and assess risk to life and property. Models are also used to…
Person:
Year: 2001
Type: Document
Source: FRAMES, TTRS
Topic(s): Communications, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels, Hazard and Risk, Intelligence, Mapping, Models, Monitoring and Inventory, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: fuel models, wildland fire, fire spread, fuel management, air quality, biomass, catastrophic fires, computer program, crown fires, ecosystem dynamics, erosion, fire injuries (plants), evolution, fire management, flame length, fuel loading, fuel types, GIS - geographic information system, mineral soil, ignition, rate of spread, remote sensing, mortality, surface fires, season of fire, thinning, water quality, wildfires, wildlife habitat management

Attitudes and policies concerning wildland fire, fire use, and fire management have changed greatly since early European settlers arrived in North America. Active suppression of wildfires accelerated early in the 20th Century, and areas burned dropped dramatically. In recent…
Person:
Year: 2001
Type: Document
Source: FRAMES, TTRS
Topic(s): Administration, Communications, Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Mapping, Models, Monitoring and Inventory, Planning, Prescribed Fire, Regulations and Legislation, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: JFSP - Joint Fire Science Program, fire policy, research needs, fuel management, air quality, ecosystem dynamics, fire frequency, fire hazard reduction, fire intensity, fire management, fire management planning, fire models, fire regimes, fire suppression, fire weather, fuel loading, GIS - geographic information system, fuel moisture, remote sensing, season of fire, site treatments, smoke management, vegetation surveys, wildfires

C4 photosynthesis had a mid-Tertiary origin that was tied to declining atmospheric CO2, but C4-dominated grasslands did not appear until late Tertiary. According to the 'CO2-threshold' model, these C4 grasslands owe their origin to a further late Miocene decline in CO2 that gave…
Person:
Year: 2005
Type: Document
Source: FRAMES, TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fuels, Models
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: grasslands, photosynthesis, savannas, woodland, miocene, paleosols, biomass, CO2 - carbon dioxide, charcoal, deserts, distribution, disturbance, fire frequency, fire management, fire regimes, fuel loading, fuel moisture, light, lightning caused fires, mesic soils, paleoecology, plant communities, population density, precipitation, range management, temperature, xeric soils, wildfires

The Environmental Protection Agency (EPA) is taking final action on these Federal Implementation Plans (FIPs) under the Clean Air Act (CAA) for Indian reservations in Idaho, Oregon, and Washington. The FIPs put in place basic air quality regulations to protect health and welfare…
Person:
Year: 2005
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): Great Basin, Northern Rockies, Northwest
Keywords: air quality, NAAQS - National Ambient Air Quality Standards, air pollution, Clean Air Act, open burning, EPA - Environmental Protection Agency, silvicultural burning, Indian reservations

Prescribed burning has been used as a tool throughout history. Native Americans used fire to maintain clearings and encourage the growth of plants for later harvest. Farmers have used fire to revitalize pasture, aid in crop harvest, and maintain fencerows and ditch banks. Forest…
Person:
Year: 2005
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Fire Behavior, Planning, Prescribed Fire, Weather
Region(s): Eastern
Keywords: habitat management, prescribed fire burn plan, prescribed fire planning, smoke management

Vast areas of the West African savannas are burned annually (Menaut et al., 1991). Natural, lightning-caused fires have existed for millions of years, but today 99% of the fires are of anthropogenic origin. The trace-gas emissions from these fires have not been addressed with as…
Person:
Year: 2001
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke
Region(s): International
Keywords: fire regime, vegetation, gas emissions, savannas, Africa, biomass burning, human impacts, West Africa

Currently, there is a growing awareness that smoke produced during forest fires can expose individuals and populations to hazardous concentrations of air pollutants. Aiming to contribute to a better understanding of the air pollution phenomenon associated with forest fires, this…
Person:
Year: 2005
Type: Document
Source: FRAMES
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): International
Keywords: air quality, Portugal, forest fire emissions