Type
Topic
Region
Year
Displaying 1 - 25 of 168
Unusually high levels of
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Climate, Emissions and Smoke, Models
Region(s): International
Keywords: air quality, biomass, biomass burning, broadcast burning, cropland fires, Europe, fire management, forest management, pollen, pollution, remote sensing, Russia, statistical analysis, United Kingdom, wildfires, wind, atmospheric dispersion modelling, forest fires, long-range transport, pollution
Recent studies have shown that emissions of mercury (Hg), a hazardous air pollutant, from fires can be significant. However, to date, these emissions have not been well-quantified for the entire United States. Daily emissions of Hg from fires in the lower 48 states of the United…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Models, Prescribed Fire
Region(s): Alaska, Great Basin, Northwest
Keywords: air quality, boreal forests, coniferous forests, ecosystem dynamics, fire management, grasslands, Hg - mercury, smoke management, statistical analysis, toxicity, wildfires
This study investigated particle size distributions from the burning of several grass species, under controlled laboratory conditions, and also in the field, conducted during the dry season in the Northern Territory, Australia. The laboratory study simulated conditions such as…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Fire Behavior
Region(s): International
Keywords: Aristida, Australia, biomass, biomass burning, distribution, field experimental fires, fire intensity, fire management, grass fires, grasses, grasslands, laboratory fires, litter, national parks, Northern Territory of Australia, particulates, range management, savannas, season of fire, statistical analysis, biomass burning, particle size distribution, Northern Territory of Australia, airborne measurement, vertical profile
Much of the public's attitude toward wildland fire as an important part of natural processes has been misguided, sometimes through programs perpetuating fear and misunderstanding of the vital role of fire in wildlands. Results presented here were part of a larger study that…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: education, fire hazard reduction, fire management, fuel management, land management, public information, rangelands, recreation, sampling, smoke management, Tennessee, thinning, wildfires, wildland fuels, wildlife
Pines (genus Pinus) form the dominant tree cover over large parts of the Northern Hemisphere. Human activities have affected the distribution, composition, and structure of pine forests for millennia. Different human-mediated factors have affected different pine species in…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Climate, Emissions and Smoke, Fire Behavior, Fire Ecology, Fire History, Fire Prevention, Restoration and Rehabilitation
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: agriculture, air quality, browse, conservation, cover, distribution, ecosystem dynamics, fire exclusion, fire management, fire regimes, fire suppression, forest management, grazing, logging, paleoecology, pine forests, pine, Pinus, pollution, wildfires, air pollution, biological invasions, conservation, land use
Fire is one of the key disturbances affecting trembling aspen (Populus tremuloides Michx.) forest ecosystems within western Canadian wildlands, including Elk Island National Park in central Alberta, Canada. Although prescribed fire is a tool available to modify aspen forests, a…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Models, Prescribed Fire, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: Alberta, Canada, combustion, coniferous forests, disturbance, droughts, duff, ecosystem dynamics, experimental fires, fire intensity, fire management, forest management, fuel moisture, ground fires, ignition, moisture, national parks, plant communities, plant growth, Populus, Populus tremuloides, rate of spread, sampling, smoke management, statistical analysis, wildfires, FWI - Canadian Forest Fire Weather Index System, ground fire, subsurface fire
The Southwest of Western Australia is one of the world's biodiversity hotspots. In the jarrah forest there are at least 300-400 plant species in vegetation that is typically mined and as many as 1163 species per 0.1 ha. Hence, restoring the plant species to post-mining areas is…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke, Restoration and Rehabilitation
Region(s): International
Keywords: Allocasuarina fraseriana, Australia, Banksia littoralis, Corymbia, Eucalyptus marginata, forest management, Hakea, heat, jarrah, Melaleuca, mining, orchids, population density, resprouting, sclerophyll forests, seed dispersal, seed dormancy, seed germination, seeds, species diversity (plants), succession, understory vegetation, vegetation surveys, western Australia, wildfires, bauxite mining, species composition, species richness, vegetation, western Australia
The present paper reviews a long-term fire experiment in the Kruger National Park, South Africa, established in 1954 to support fire management. The paper's goals are: (1) to assess learning, with a focus on relevance for fire management; (2) to examine how findings influenced…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Effects, Fire Occurrence, Monitoring and Inventory, Prescribed Fire
Region(s): International
Keywords: Africa, air quality, biomass, C - carbon, ecosystem dynamics, experimental areas, fire exclusion, fire frequency, fire management, fire regimes, forest management, herbaceous vegetation, insects, mammals, mortality, mosaic, mycorrhiza, national parks, N - nitrogen, physiology, precipitation, range management, savannas, season of fire, small mammals, soil nutrients, soils, South Africa, vegetation surveys, woody plants, elephants, fire season, Kruger National Park
Fire is a frequent perturbation in Mediterranean-type ecosystems, altering soil organic matter turnover. In a Mediterranean shrubland subjected to experimental fire, soil CO2 emissions were measured over an annual cycle in burned and unburned sites using static chambers. Some…
Person:
Year: 2007
Type: Document
Source: FRAMES, TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire Effects, Prescribed Fire
Region(s): International
Keywords: Arbutus unedo, C - carbon, CO2 - carbon dioxide, ecosystem dynamics, Europe, experimental areas, fire management, Italy, Mediterranean habitats, Myrtus communis, N - nitrogen, nutrient cycling, organic matter, pH, Phillyrea, Pistacia lentiscus, post-fire recovery, Quercus ilex, range management, shrublands, soil management, soil moisture, soil organic matter, soil temperature, statistical analysis, temperature, water, water uptake, experimental fire, metabolic quotient, priming effect, soil organic matter mineralization, soil water content, Mediterranean shrublands
Throughout Australia's biogeographical history, the vegetation over most of the continent has experienced a long and complex evolutionary relationship with fire. Many of the vegetative forms that have evolved over time, and which are uniquely Australian, rely on fire to complete…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fire History
Region(s): International
Keywords: Australia, ecosystem dynamics, fire control, fire intensity, fire management, fire regimes, germination, histories, introduced species, native species (plants), New South Wales, population density, range management, sampling, seed germination, seeds, shrublands, smoke effects, species diversity (plants), temperature, urban habitats, vegetation surveys
This paper details some of the recent research findings concerning restoration needs of the Banksia woodland in Western Australia, including the importance of, and recent advances in, smoke-technology research. Research has enabled testing of a wide spectrum of restoration…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Occurrence, Fire Prevention, Fuels, Restoration and Rehabilitation, Fire Ecology
Region(s): Southern, International
Keywords: aerosols, artificial regeneration, Australia, Banksia, coastal plain, erosion, fertilizers, fire frequency, fire management, fire suppression, forest management, fragmentation, germination, herbicides, litter, plant communities, plant growth, regeneration, seed dispersal, seed dormancy, seed germination, seedlings, seeds, smoke effects, smoke management, soil management, soils, species diversity (plants), weeds, western Australia, wildfires, wind
The germination rate in the nursery of Pomaderris hamiltonii and P. kumeraho has been observed to be low. Poor germination for a number of species can be due to a range of seed dormancy mechanisms. Five different dormancy-breaking treatments were trialled. Scarification using…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke
Region(s): International
Keywords: artificial regeneration, germination, heat, heat effects, New Zealand, Pomaderris, rainforests, reproduction, seed dormancy, seed germination, seeds, smoke effects, smoke management, statistical analysis, water, Pomaderris hamiltonii, Pomaderris kumeraho, pale-flowered kumarahou, Rhamnaceae, dormancy, germination, scarification, sulphuric acid, heat, boiling water
A risk assessment framework was used to assess the risks of forest fire smoke (ffs) to the exposed communities, critical infrastructures and the environment. The present work is focused on the planning and problem formulation phases of this risk assessment procedure.…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Hazard and Risk, Models, Safety
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, chemical compounds, fire management, firefighting personnel, gases, hydrocarbons, particulates, smoke behavior, smoke effects, smoke management, statistical analysis, toxicity, wildfires, wind, forest fire smoke, data integration, field chemical data, risk assessment, firefighters
Fire plays a critical role in breaking hard-seeded dormancy and establishing seedlings of several Acacia species in arid and semi-arid regions. Numerous studies have reported an increase in seedling densities of some Acacias after fire without identifying the exact cause.…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology
Region(s): International
Keywords: Acacia spp., Australia, fire management, germination, heat, light, population density, post fire recovery, seed dormancy, seed germination, seedlings, seeds, smoke effects, smoke management, wildfires, post fire, seedling emergence, stimulation
The butenolide, 3-methyl-2H-furo[2,3-c]pyran-2-one (1), has recently been identified as the germination stimulant present in smoke that promotes the germination of seeds from a wide range of plant species. In this paper, we describe the preparation of a number of analogues of 1…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Fire Ecology, Emissions and Smoke
Region(s): International
Keywords: Asteraceae, Australia, chemical compounds, Emmenanthe penduliflora, germination, Lactuca, Lactuca sativa, seed dormancy, seed germination, seeds, smoke effects, smoke management, Solanum, butenolide, seed germination, seed dormancy, germination stimulant
Though observations on re-colonisation of post-fire sites in the Mediterranean Basin are plentiful, there still is an ongoing debate on the interrelation of fire regimes and species traits related to fire adaptation. Most of the studies found are restricted to particular species…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Occurrence, Fuels
Region(s): International
Keywords: adaptation, char, crown fires, disturbance, ecosystem dynamics, Europe, evolution, fire adaptations (plants), fire frequency, fire intensity, fire management, fire regimes, fire size, forest management, fuel types, land use, light, Mediterranean habitats, post fire recovery, regeneration, resprouting, season of fire, seed dispersal, seed dormancy, seed germination, seed production, smoke effects, soils, surface fires, adaptive trait, disturbance history, evolution, facultative resprouter, pyrophytic, resilience, resprouter, seeder
From the text ... 'Grass fires, although not as intense as forest fires, present a major threat to life and property during periods of drought in the Great Plains of the United States. Recently, major wildland grass fires in Texas burned nearly 1.6 million acres and destroyed…
Person:
Year: 2007
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Models, Prescribed Fire
Region(s): Southern
Keywords: Andropogon gerardii, carbon dioxide, crown fires, fire damage (property), fire injuries (animals), fire injuries (plants), fire management, fire size, fuel management, fuel moisture, grass fires, grasses, grasslands, Great Plains, livestock, moisture, mortality, prairies, radiation, rate of spread, Schizachyrium scoparium, soil temperature, temperature, Texas, Tridens, wildfires, wind
Seed burial in nylon mesh bags over a 2-year period was used to examine seed longevity patterns in 12 shrub and two graminoid species in fire-prone habitats around Sydney, south-eastern Australia. Most species released a large fraction of their annual seed-crop in a dormant…
Person:
Year: 2000
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fire Occurrence, Restoration and Rehabilitation
Region(s): California, Great Basin, International
Keywords: Acacia spp., Adenostoma, Arctostaphylos, artificial regeneration, Australia, birds, Ceanothus, char, competition, fire dependent species, fire frequency, fire management, fire sensitive plants, grasslands, Grevillea, heat, insects, landscape ecology, Persoonia, population density, population ecology, post fire recovery, predation, regeneration, resprouting, seed dispersal, seed dormancy, seed germination, seed production, seeds, shrublands, soils, South Africa
The revision of FOFEM, a national fire effects model, is described. FOFEM 5.0 will incorporate the predictions of fuel consumption, tree mortality and smoke production along with the addition of soil heating and an updated user interface. The revised version of FOFEM will model…
Person:
Year: 2000
Type: Document
Source: TTRS
Topic(s): Economics, Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Mapping, Models, Planning
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, National
Keywords: air quality, Canada, computer programs, cover, cover type, crown fires, fire injuries (plants), fire management, forest management, fuel appraisal, fuel management, heat, Idaho, JFSP - Joint Fire Science Program, mortality, overstory, soils, surface fires, understory vegetation, BURNUP
A comprehensive investigation of Canadian boreal forest fires was conducted using NOAA-AVHRR imagery. Algorithms were developed to (1) detect active forest fires, (2) map burned areas on daily and annual basis, and (3) estimate fire emissions based on burned area and Canadian…
Person:
Year: 2000
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Mapping, Models, Planning, Weather
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, Alberta, boreal forests, Canada, carbon dioxide, cover, croplands, crown fires, digital data collection, droughts, fire case histories, fire intensity, fire management, fire size, fuel loading, fuel models, fuel moisture, fuel types, grasslands, Idaho, JFSP - Joint Fire Science Program, Northwest Territories, Ontario, radiation, remote sensing, sampling, smoke behavior, smoke effects, smoke management, statistical analysis, surface fires, wetlands, boreal forest, burned area, DIGITAL FUEL TYPE, FIRE PIXEL, FIRE DETENTION ALGORITHM, FLOWCHARTS, fuel consumption
Current space-borne sensor systems can be used to generate products of fire susceptibility using time-series of vegetation state, the occurrence and rough location of active fires using middle and thermal infrared sensors and smoke and area burned using visible, near and middle…
Person:
Year: 2000
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Mapping, Planning
Region(s): International
Keywords: digital data collection, Europe, fire management, forest management, fuel accumulation, fuel arrangement, Germany, Idaho, JFSP - Joint Fire Science Program, national parks, photography, radiation, remote sensing, temperature, hot events on earth, forest fires, fire recognition from space, detection algorithms, BIRD - Bi-spectral Infra-Red Detection, fire detection, INTELLIGENT INFRARED SEASOR PROTOTYPE FOCUS, mid infrared, MODIS (Moderate Resolution Imaging Spectrometer), SWIR - Short Wave Infra-Red
This paper describes the importance of the use of climate information in the decision-making process for fuels treatments. It is argued that historical climate data and climate forecasts are useful tools for fuels treatment scheduling, in addition to the actual treatment…
Person:
Year: 2000
Type: Document
Source: TTRS
Topic(s): Climate, Economics, Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Planning, Prescribed Fire
Region(s): Eastern, Great Basin, Northwest, Southern
Keywords: carbon dioxide, coniferous forests, distribution, droughts, ecosystem dynamics, ENSO - El Nino Southern Oscillation, fire danger rating, fire hazard reduction, fire management, flammability, fuel accumulation, fuel loading, fuel management, fuel moisture, climate change, histories, Idaho, JFSP - Joint Fire Science Program, land management, mortality, precipitation, site treatments, smoke management, soil moisture, statistical analysis, Texas, thinning, Utah, wildfires, fuels treatments, climate information, climate variability, climate forecasts, accountability in decision-making, climate prediction models, oceanography, PDSI - Palmer Drought Severity Index
Smoke may present the most intractable barrier of all to implementing more enlightened fire management. The benefits of a prescribed fire program can only be realized if the public and regulatory agencies agree that the air quality impacts are acceptable. Currently, land…
Person:
Year: 2000
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Behavior, Fire Ecology, Fuels, Mapping, Models, Prescribed Fire, Regulations and Legislation, Weather
Region(s): Alaska, Great Basin, Northwest, Southern
Keywords: air quality, chemical compounds, chemistry, combustion, computer programs, duff, fire management, fuel moisture, fuel types, gases, Idaho, JFSP - Joint Fire Science Program, moisture, North Carolina, organic soils, ozone, particulates, remote sensing, smoke behavior, smoke effects, smoke management, soils, wind
Understanding the trade-off between short-term and long-term consequences of fire impacts on ecosystems is needed before a comprehensive fuels management program can be implemented nationally. We are comparing three vegetation models that may be used to predict the effects of…
Person:
Year: 2000
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Fuels, Hazard and Risk, Mapping, Models, Monitoring and Inventory, Planning, Prescribed Fire
Region(s): Alaska, California, Eastern, Great Basin, Hawaii, Northern Rockies, Northwest, Rocky Mountain, Southern, Southwest, International, National
Keywords: air quality, Alabama, biogeochemical cycles, catastrophic fires, computer programs, digital data collection, disturbance, ecosystem dynamics, fire frequency, fire hazard reduction, fire management, fire regimes, Florida, fuel accumulation, fuel appraisal, fuel inventory, fuel loading, fuel management, fuel models, fuel types, GIS, grasses, Idaho, JFSP - Joint Fire Science Program, land management, land use planning, logging, Michigan, Montana, mortality, national parks, New Mexico, overstory, prescribed fires (escaped), rate of spread, recreation, remote sensing, shrubs, smoke management, surface fires, surface fuels, thinning, topography, understory vegetation, Utah, wildfires, wildland fuels, Yosemite National Park, risk assessment
A mesoscale data assimilation and prediction model has been applied over the Greater Sydney region to an air pollution episode resulting from fire hazard reduction burns during the period 12 to 14 April, 1997. The main objective of the study was, firstly, to model the inter-…
Person:
Year: 2000
Type: Document
Source: TTRS
Topic(s): Emissions and Smoke, Fire Ecology, Hazard and Risk, Models, Prescribed Fire, Safety
Region(s): International
Keywords: air quality, Australia, chemistry, computer programs, fire hazard reduction, fire management, Idaho, JFSP - Joint Fire Science Program, New South Wales, particulates, pollution, smoke behavior, smoke effects, smoke management, wind, smoke transport, mesoscale modeling, data assimilation