Type
Topic
Region
Year
Displaying 5526 - 5550 of 5844
Direct evidence of the effects of intense wildfire on forest soil is rare because reliable prefire data are lacking. By chance, an established large-scale experiment was partially burned in the 2002 Biscuit fire in southwestern Oregon. About 200 grid points were sampled across…
Person:
Year: 2008
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Effects, Fire History, Fuels, Intelligence
Region(s): Great Basin, Northwest
Keywords: age classes, Arbutus menziesii, Canada, C - carbon, Chrysolepis, coniferous forests, erosion, fire case histories, fire intensity, fire management, fire size, forest management, fuel accumulation, fuel management, gases, greenhouse gases, heavy fuels, Lithocarpus densiflorus, litter, mineral soils, mortality, N - nitrogen, Oregon, Pinus attenuata, Pinus lambertiana, post fire recovery, Pseudotsuga menziesii, soil management, soil nutrients, soil organic matter, soils, statistical analysis, thinning, wildfires, wildlife, wood, woody fuels
Total airborne mercury (TAM) and carbon monoxide (CO) were measured in 22 pollution transport ''events'' at Mt. Bachelor Observatory (MBO), USA (2.8km asl) between March 2004 and September 2005. Submicron particulate scattering (ssp), ozone (O3), and nitrogen oxides (NOy) were…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): Alaska, Great Basin, Northwest, International
Keywords: aerosols, air quality, Asia, biomass, biomass burning, boreal forests, broadcast burning, C - carbon, CO - carbon monoxide, Cascades Range, China, Hg - mercury, N - nitrogen, Oregon, ozone, pollution, smoke management, statistical analysis, temperature, wind, Hg - mercury, long-range transport, CD, biomass burning
An intensive field study was conducted in Sumatra, Indonesia, during a peat fire episode to investigate the physical and chemical characteristics of particulate emissions in peat smoke and to provide necessary data for source-receptor analyses. Ambient air sampling was carried…
Person:
Year: 2007
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, broadcast burning, C - carbon, combustion, fire management, hydrocarbons, Indonesia, N - nitrogen, particulates, peat, peat fires, sampling, smoke effects, smoke management, Sumatra
We used both a conventional transmission electron microscope and an environmental transmission electron microscope (ETEM) to determine morphology, composition, and water uptake of 80 individual aerosol particles collected from the young smoke of flaming and smoldering fires…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Prescribed Fire
Region(s): International
Keywords: aerosols, Africa, air quality, biomass, broadcast burning, fire management, humidity, national parks, N - nitrogen, particulates, smoke management, soot, South Africa, S - sulfur, water, water uptake, Zambia, biomass burning, deliquescence, efflorescence, ETEM, soot
Intensive collection of underground tubers of the medicinal plant Dioscorea drcgeana from indigenous forests is a threat to the wild population. Domestication of this plant is the only possible alternative to fulfill the demand of formal and informal medicinal markets in South…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Restoration and Rehabilitation
Region(s): International
Keywords: Africa, artificial regeneration, Dioscorea, fertilizers, germination, light, moisture, N - nitrogen, nutrients, phosphorus, plant growth, K - potassium, roots, seed germination, seedlings, seeds, smoke effects, smoke management, South Africa, temperature, Dioscorea dregeana, medicinal plant, propagation, seed germination, seedling growth, tubers
Approximately 25% of the soybean [Glycine max (L.) Merr.] grown in the mid-South is produced in a wheat (Triticum aestivum L.)-soybean double-crop system. Pre-soybean field preparations often consist of removing wheat residue by burning followed by conventional tillage (CT).…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): Rocky Mountain, Southern
Keywords: agriculture, Arkansas, C - carbon, carbon dioxide, cropland fires, croplands, fertility, N - nitrogen, organic matter, pH, soil management, soil nutrients, soil organic matter, soils, tillage, Triticum, Triticum aestivum, no-tillage, burning, straw, soil quality, Arkansas
From the text (pp.6-7) ... 'Another [reason periodic low-intensity fires have ceased to provide forest and land maintenance] is the culture of fire suppression in America deliberately created in the early 20th century to promote a shift to intensive forestry and away from…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Fire Prevention, Fuels, Intelligence, Outreach, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation, Safety, Social Science, Weather, Economics, Hazard and Risk, Wildland-Urban Interface (WUI)
Region(s): Southern, International
Keywords: age classes, air quality, artificial regeneration, backing fires, burning intervals, burning permits, C - carbon, competition, cover, crown scorch, duff, education, FEIS, fine fuels, fire dependent species, fire frequency, fire hazard reduction, fire injuries (plants), fire intensity, fire management, fire suppression, firing techniques, forest management, fuel accumulation, fuel loading, fuel management, fuel moisture, hardwood forests, herbaceous vegetation, herbicides, ignition, land use, liability, light, litter, livestock, logging, mineral soils, mortality, N - nitrogen, north Florida, nutrient cycling, pine forests, pine, Pinus echinata, Pinus elliottii, Pinus palustris, Pinus ponderosa, Pinus taeda, plant growth, population density, prescribed fires (escaped), public information, site treatments, slash, soil leaching, stand characteristics, suppression, Tall Timbers Research Station, thinning, trees, understory vegetation, wildfires, wildlife, wildlife habitat management, wind, woody fuels
Fire has been a significant ecosystem process in the Southeast for thousands of years. It kept slash pine in the wetter parts of the flatwoods pine forests historically. Today, when slash pine covers a much larger landscape, fire still plays an integral role in its management.…
Person:
Year: 2004
Type: Document
Source: TTRS
Topic(s): Communications, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Fire Prevention, Fuels, Hazard and Risk, Intelligence, Mapping, Models, Monitoring and Inventory, Outreach, Prescribed Fire, Regulations and Legislation, Restoration and Rehabilitation, Safety, Social Science, Weather, Wildland-Urban Interface (WUI)
Region(s): Southern
Keywords: aesthetics, air quality, browse, burning permits, cavity nesting birds, Colinus virginianus, cover, crown scorch, ecosystem dynamics, education, fire dependent species, fire frequency, fire hazard reduction, fire injuries (plants), fire management, flatwoods, forage, forest management, fuel accumulation, fuel loading, GIS, Gopherus polyphemus, hydrology, insects, invasive species, liability, longleaf pine, mammals, mortality, N - nitrogen, nutrients, old growth forests, pH, Picoides borealis, pine forests, Pinus elliottii, Pinus elliottii densa, Pinus palustris, plant diseases, plant growth, plantations, post fire recovery, public information, regeneration, remote sensing, reptiles, shrubs, slash, slash pine, smoke management, soil nutrients, statistical analysis, threatened and endangered species (animals), Ursus americanus floridanus, vegetation surveys, water quality, wildfires, wildlife, wildlife food habits, wildlife habitat management
[no description entered]
Person:
Year: 2000
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels
Region(s): International
Keywords: aerosols, Africa, air quality, backfires, biomass, carbon dioxide, CO - carbon monoxide, chemistry, fire management, fuel accumulation, gases, headfires, human caused fires, hydrocarbons, Namibia, natural areas management, N - nitrogen, savannas, soils, South Africa, tropical regions, vegetation surveys, West Africa, wildfires, Zimbabwe
Biomass burning is an important global source of aerosol particles to the atmosphere. Aerosol particles were collected in plumes of tropical forest and cerrado biomass burning fires in the Amazon Basin during August–September, 1992. Fine (dp<2 μm, where dp is the aerodynamic…
Person:
Year: 2000
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels
Region(s): International
Keywords: aerosols, air quality, Amazon, biomass, Brazil, C - carbon, cerrado, fire intensity, fire management, forest management, fuel moisture, human caused fires, litter, N - nitrogen, organic matter, particulates, phosphorus, K - potassium, season of fire, slash, South America, S - sulfur, tropical forests, biomass burning, aerosol particles, black carbon, trace elements, Amazonia
The atmosphere can be an important source of nutrients to remote ocean waters, e.g., in supplying iron to nitrogen fixers in the tropical North Atlantic. We use results obtained from aerosol collection during four meridional transect cruises of the Atlantic Ocean in an attempt…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke
Region(s): International
Keywords: aerosols, Africa, air quality, biogeochemical cycles, biomass, deserts, human caused fires, iron, N - nitrogen, nutrients, particulates, phosphorus, water, aerosol, nutrients, desert dust, biomass burning
The emissions from simulated sugarcane (Saccharum officinarum) field burns were sampled and analyzed for polychlorinated dibenzodioxins and dibenzofurans (PCDDs and PCDFs). Sugarcane leaves from Hawaii and Florida were burned in a manner simulating the natural physical…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fuels, Prescribed Fire
Region(s): Hawaii, Southern
Keywords: agriculture, air quality, ash, biomass, C - carbon, chemical compounds, combustion, experimental fires, fire management, firing techniques, Florida, fuel loading, hydrogen, leaves, moisture, N - nitrogen, particulates, Saccharum, Saccharum officinarum, sampling, smoke management, statistical analysis, S - sulfur
Savannas are the most common vegetation type in the tropics and subtropics, ranging in physiognomy from grasslands with scattered woody plants to woodlands with heterogeneous grass cover. Productivity and organic matter turnover in savannas are controlled by interactions between…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Aquatic, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Fire Prevention, Fuels
Region(s): California, Great Basin, Hawaii, Southern, Southwest, International
Keywords: Acacia spp., Africa, Andropogon, Australia, biomass, Brazil, C - carbon, cerrado, cover, ecosystem dynamics, fine fuels, fire frequency, fire management, fire regimes, fire suppression, forest management, gases, grasses, grasslands, grazing, herbaceous vegetation, land management, land use, N - nitrogen, nutrient cycling, organic matter, phosphorus, population density, post fire recovery, Prosopis glandulosa, savannas, soil management, soil nutrients, South Africa, South America, streams, S - sulfur, suppression, surface fires, Trachypogon, tropical regions, water, woody plants, cerrado, Llanos, mesquite, N - nitrogen, savannas, trace gases
Nitrous oxide (N2O) fluxes from tropical peatland soils were measured at a grassland, three croplands, a natural forest, a burned forest and a regenerated forest in Central Kalimantan, Indonesia. Only croplands received fertilization (665-1278 kg N ha-1 year-1). Mean annual N2O…
Person:
Year: 2006
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Effects, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, air quality, croplands, fertilization, Indonesia, Kalimantan, land use, moisture, N - nitrogen, nutrition, organic soils, peat, peatlands, pH, plant nutrition, precipitation, regeneration, soil moisture, soils, statistical analysis, tropical regions, wildfires, closed-chamber method, forest fire, land-use type, N2O - nitrous oxide, tropical peatland
A large forest fire occurred about 300 km to the northeast of the Edmonton area in early summer 1995. The forest fire produced nitrogen oxides, hydrocarbons and ozone which were transported down-wind. Continuous monitoring of O3, NO and NO2 and integrated measurements of…
Person:
Year: 1998
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, International, National
Keywords: air quality, Alberta, Canada, fire management, hydrocarbons, N - nitrogen, ozone, pollution, smoke management, urban habitats, wildfires, forest fire, ozone, photochemical smog, urban and rural pollution, air quality
[no description entered]
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire History, Fire Occurrence, Fuels
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Acer, C - carbon, combustion, coniferous forests, disturbance, ecosystem dynamics, fire adaptations (plants), fire exclusion, fire frequency, fire management, flammability, forest management, hydrocarbons, litter, Los Alamos, Mexico, needles, New Mexico, N - nitrogen, nutrient cycling, nutrients, particulates, Pinus flexilis, Pinus ponderosa, Populus, post fire recovery, Pseudotsuga menziesii, Quercus, sampling, scorch, statistical analysis, volatilization, woody fuels, MINERALIZATION PATTERNS, monoterpenes
Prescribed burning is an effective way of restoring the fire process to ponderosa pine (Pinus ponderosa Dougl. ex Laws.) ecosystems of the Southwest. If used judiciously, fire can provide valuable effects for hazard reduction, natural regeneration, thinning, vegetation…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Prescribed Fire, Restoration and Rehabilitation
Region(s): Great Basin, Southwest
Keywords: Arizona, burning intervals, competition, coniferous forests, ecosystem dynamics, fire frequency, fire hazard reduction, fire management, forest management, fuel management, fuel moisture, humidity, Madrean habitats, N - nitrogen, organic matter, overstory, pine forests, Pinus ponderosa, population density, post fire recovery, presettlement vegetation, regeneration, season of fire, seedlings, smoke management, soil nutrients, thinning, understory vegetation, volatilization, wind
Fires can produce a wide range of changes in nutrient cycles of forest, shrub, and grassland ecosystems depending on fire severity, fire frequency, vegetation, and climate. These changes can be beneficial when fires increase the availability of plant nutrients, and deleterious…
Person:
Year: 1996
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air temperature, Artemisia, ash, biomass, chaparral, chemistry, coniferous forests, convection, ecosystem dynamics, erosion, fine fuels, fire frequency, fire intensity, forest management, fuel loading, fungi, grasslands, heavy fuels, humidity, Juniperus, litter, low intensity burns, Madrean habitats, microorganisms, mineral soils, mycorrhiza, N - nitrogen, nutrient cycling, nutrients, organic matter, phosphorus, Pinus edulis, plant nutrients, precipitation, roots, runoff, shrublands, slash, soil erosion, soil leaching, soil organisms, soil permeability, soil temperature, soils, understory vegetation, vegetation surveys, volatilization, wind, FIRE-DOMINATED FOREST ECOSYSTEMS, GLOBAL IMPLICATIONS, NUTRIENT POOLS AND FLUXES, soil biota
[no description entered]
Person:
Year: 2002
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fuels
Region(s): International
Keywords: air quality, biomass, C - carbon, Europe, experimental fires, fire management, Germany, hydrocarbons, hydrogen, N - nitrogen, temperature, stable carbon isotope ratios, biomass burning, atmospheric emissions, nonmethane hydrocarbons, methyl chloride
[no description entered]
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Fuels
Region(s): Great Basin
Keywords: age classes, Artemisia tridentata, Atriplex, bacteria, biomass, Bromus, Bromus tectorum, C - carbon, carbon dioxide, disturbance, fire frequency, fire injuries (plants), fire intensity, fire management, fuel accumulation, fuel loading, grasslands, herbivory, invasive species, leaves, Nevada, N - nitrogen, Pseudoroegneria, range management, rangelands, rate of spread, roots, statistical analysis, vegetation surveys, weeds, carbon dioxide, cheatgrass, fire frequency, invasive weeds
From the Summary (p.525) ... '• This paper is the first global study of the extent to which fire determines global vegetation patterns by preventing ecosystems from achieving the potential height, biomass and dominant functional types expected under the ambient climate (climate…
Person:
Year: 2005
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Models, Mapping
Region(s): International
Keywords: Africa, agriculture, Australia, biogeography, biomass, Brazil, C - carbon, carbon dioxide, coniferous forests, cover, deciduous forests, deserts, distribution, dominance (ecology), ecosystem dynamics, evergreens, evolution, fire dependent species, fire exclusion, fire frequency, fire regimes, forest management, Ghana, grasses, grasslands, habitat types, land use, mineral soils, N - nitrogen, savannas, shrublands, shrubs, South Africa, South America, species diversity (plants), tundra, vegetation surveys, Venezuela, Zambia, Zimbabwe, climate-vegetation relationships, dynamic global vegetation models, global biomes, plant biogeography, SCGVM(Sheffield Dynamic Global Vegetation Model), FIRE-CONTROLLED vs CLIMATE-CONTROLLED GLOBAL BIOME, Kruger National Park, aboveground net woody biomass, REGIONAL BIOME, GLOBAL BIOME SIMULATIONS, LONG-TERM FIRE-EXCLUSION STUDIES IN SAVANNAS, WOODED GRASSLANDS, ORIGIN OF FIRE-DEPENDENT BIOMES
[no description entered]
Person:
Year: 2003
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior, Fire Ecology, Prescribed Fire
Region(s): International
Keywords: Australia, carbon dioxide, conservation, ecosystem dynamics, experimental fires, fire dependent species, fire frequency, fire injuries (plants), fire intensity, fire management, fire regimes, fire size, habitat suitability, invertebrates, litter, national parks, N - nitrogen, particulates, plant growth, range management, reptiles, savannas, season of fire, small mammals, soil organic matter, species diversity (animals), species diversity (plants), S - sulfur, wildlife habitat management
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: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology
Region(s): International
Keywords: air quality, CO - carbon monoxide, chemical compounds, combustion, Europe, field experimental fires, fire management, fire size, Florida, forest management, ignition, N - nitrogen, particulates, pollution, Portugal, rate of spread, sampling, statistical analysis, S - sulfur, vegetation surveys, wildfires, wind
[no description entered]
Person:
Year: 2002
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fuels
Region(s): International
Keywords: Africa, C - carbon, carbon dioxide, coastal vegetation, decomposition, fire intensity, fynbos, leaves, Leucospermum, litter, mountains, N - nitrogen, photosynthesis, post fire recovery, range management, sclerophyll vegetation, soil nutrients, South Africa, volatilization, wildfires
As part of the National Fire and Fire Surrogate Study, we measured the short-term effects of different fuel-management practices on leaf litter decomposition and soil respiration in loblolly pine stands on the upper Piedmont of South Carolina. These stands had been subjected to…
Person:
Year: 2004
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Prevention, Fuels, Hazard and Risk, Prescribed Fire, Regulations and Legislation
Region(s): Southern, International
Keywords: Acer rubrum, biogeochemical cycles, C - carbon, carbon dioxide, combustion, decay, decomposition, ecosystem dynamics, experimental areas, fire hazard reduction, fuel management, leaves, litter, loblolly pine, National Fire Plan, N - nitrogen, nitrogen fixation, Nyssa sylvatica, Piedmont, pine forests, Pinus echinata, Pinus taeda, Pinus virginiana, Quercus, soils, South Carolina, thinning, understory vegetation, Vaccinium