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fireecology, etc ; fire behavior; fire suppression; forage and feed science; human health; humans; infrastructure; vegetation; Show all 8 Subjects
Abstract:
... Fire can destroy infrastructure and livelihoods, and claim lives. Yet, fire is inevitable and plays several vital ecological roles that have shaped ecosystems over millennia. Planned fires also serve human needs. Critical media content analysis of 390 media reports (print, online and broadcast) on fires in South African National Parks over a three-year period were used to investigate the portrayal ...
fuels (fireecology), etc ; case studies; fire behavior; fuels; hazard characterization; prediction; spatial distribution; vegetation; Australia; Show all 9 Subjects
Abstract:
... Fuel hazard estimates are vital for the prediction of fire behaviour and planning fuel treatment activities. Previous literature has highlighted the potential of Terrestrial Laser Scanning (TLS) to be used to assess fuel properties. However, operational uptake of these systems has been limited due to a lack of a sampling approach that balances efficiency and data efficacy. This study aims to asses ...
fuels (fireecology), etc ; Eucalyptus; bark; fire behavior; fire hazard; fuel loading; fuels; hazard characterization; prediction; risk; Tasmania; Show all 11 Subjects
Abstract:
... This paper presents equations for fuel load and fuel hazard rating (FHR) models based on the time since last fire for dry eucalypt forests in eastern Tasmania. The fuel load equations predict the load of the surface/near-surface and elevated fine fuel. The FHR equations predict the surface, near-surface, combined surface and near-surface, bark, and overall FHR. The utility of the “Overall fuel haz ...
fireecology, etc ; charcoal; climate change; ecological restoration; ecosystems; forage and feed science; humans; rangelands; stakeholders; Southern Africa; Show all 10 Subjects
Abstract:
... African grassy biomes evolved together with fire and have a long history of human manipulation of fire, yet few rangeland studies acknowledge the role of prehistoric fire in shaping contemporary ecological patterns. Nevertheless, prehistoric fire records have been used elsewhere as invaluable environmental contexts for practitioners in fire management, ecosystem restoration and climate change. The ...
fuels (fireecology), etc ; Quercus mongolica; bark; biomass; carbon dioxide; combustion; forests; human health; humus; shrubs; trees; China; Show all 12 Subjects
Abstract:
... The large amounts of emissions released by forest fires have a significant impact on the atmospheric environment, ecosystems, and human health. Revealing the main components of emissions released by forest fuel under different combustion states is of great importance to evaluate the impact of forest fires on the ecological environment. Here, a self-designed biomass combustion system was used to si ...
fireecology, etc ; environment; fire frequency; forests; grasslands; meta-analysis; prescribed burning; soil carbon; soil respiration; soil types; wildfires; Show all 11 Subjects
Abstract:
... Fire is a very common disturbance in terrestrial ecosystems and can give rise to significant effects on soil carbon (C) cycling and storage. Here, we conducted a global meta-analysis on the response of soil C cycling and storage across soil profiles (organic layer, 0–5 cm, 0–10 cm, 0–20 cm, and 20–100 cm) to fire reported in 308 studies across 383 sites and examined the role of fire frequency, fir ...
fuels (fireecology), etc ; agriculture; canopy; corn; electronics; fuel moisture index; irrigation; leaf area index; leaves; unmanned aerial vehicles; Show all 10 Subjects
Abstract:
... The estimation of water status of maize is important for evaluating crop growth and conducting precision irrigation. The development of unmanned aerial vehicles (UAVs) equipped with sensor technologies provides high-quality data for estimating maize water status. Only a few studies have been conducted on the estimation of maize equivalent water thickness (EWT) and fuel moisture content (FMC) using ...
fuels (fireecology), etc ; canopy; environmental management; fire behavior; fire severity; fire weather; landscapes; models; mountains; national parks; topography; wildfires; California; Show all 13 Subjects
Abstract:
... Wildfire sizes and proportions burned with high severity effects are increasing in seasonally dry forests, especially in the western USA. A critical need in efforts to restore or maintain these forest ecosystems is to determine where fuel build-up caused by fire exclusion reaches thresholds that compromise resilience to fire. Empirical studies identifying drivers of fire severity patterns in actua ...
fuels (fireecology), etc ; case studies; data collection; environmental management; environmental models; fire behavior; fuels; risk; risk assessment; uncertainty; vegetation; wildfires; Australia; Show all 13 Subjects
Abstract:
... Wildfire extent and their impacts are increasing around the world. Fire management agencies use fire behaviour simulation models operationally (during a wildfire event) or strategically for risk assessment and treatment. These models provide agencies with increased knowledge of fire potential to improve identification of the best strategies for reducing risk. One of the greatest areas of uncertain ...
fuels (fireecology), etc ; biomass; dead wood; forests; fuel moisture index; fuelwood; heat; issues and policy; mountains; paleoecology; research; California; India; Nepal; Show all 14 Subjects
Abstract:
... Government agencies in the United States (US) adopted a prescribed burning policy based in part on paleo-environmental evidence of pre-Columbian Native American burning regimes. However, biomass collection by Native Americans in the pre-Columbian era left little direct or indirect evidence of its magnitude or influence on fire regimes. In many developing countries, local peoples harvest biomass fo ...
fuels (fireecology), etc ; Eucalyptus sieberi; climate change; fire hazard; fire severity; forest fires; forest litter; risk; risk reduction; weather; Australia; Europe; Show all 12 Subjects
Abstract:
... Climate change is increasing the area of seasonally dry forests burnt by wildfire in many parts of the world, compelling a revision of management strategies to reduce risk and improve the resilience of forest ecosystems. While prescribed burning is a common strategy used to reduce bushfire risk, mechanical thinning has not been as widely applied in Australia’s temperate forests in comparison with ...
... Ten-hour dead fuel moisture content (DFMC10) is an important determinant of wildfire risk, as it provides a reasonable proxy to vegetation flammability. Thus far DFMC10 prediction by physical models has shown limited accordance with empirical measurements. DFMC10 can be measured using fuel-sticks, but to date these are only used in part of the meteorological stations. The goal of this paper is to ...
fuels (fireecology), etc ; fire behavior; forests; fuel moisture index; landscapes; meteorology; microclimate; risk; shortwave radiation; summer; terrestrial radiation; vapor pressure deficit; wildfires; Show all 13 Subjects
Abstract:
... An understanding of variation in dead fuel moisture content (FMC) is essential for accurate predictions of wildfire risk, particularly in productive wet forests where FMC is a primary control on fire activity. In these systems, forest structure and composition influence microclimate, which in turn effects FMC. However, changing disturbance regimes are altering forest structure and our understandin ...
fuels (fireecology), etc ; biomass; meadows; reflectance; shrubs; Show all 5 Subjects
Abstract:
... Non-photosynthetic vegetation (NPV) is a vital component of terrestrial ecosystems and an important indicator of grassland degradation, therefore, it is of great significance to realize its accurate evaluation. Here, we analyzed spectral characteristics of NPV of different biomass types in undisturbed vegetation (herb, subshrub and shrub), and established relationship models among dead fuel index ...
... Climate change worsening due to global warming and progressive abandonment in rural areas mean that wildfires are increasing in extent and severity terms, and are one of the major disturbances in the Mediterranean Basin. To mitigate these disturbances, preventive management tools need to be used. Fire employment is being implemented, known as prescribed burnings, as forestry actions to change vege ...
fuels (fireecology), etc ; heat transfer; temperature; theoretical models; wildland; Show all 5 Subjects
Abstract:
... Experiments were carried out in the Idealized-Firebrand Ignition Test (I-FIT), a bench scale apparatus specifically designed to test the ignition of forest fuel layers from a representative firebrand. A cylindrical heater was used to model the firebrand, which allowed to control the incident radiative heat flux on the specimen, from the critical heat flux up to 25 kW/m², for five different porosit ...
fuels (fireecology), etc ; Pinus densiflora; Weibull statistics; fire spread; forest fires; forest growth; forest inventory; forest management; fuel loading; models; mortality; national forests; prediction; stand density; time series analysis; South Korea; Show all 16 Subjects
Abstract:
... A prediction model was developed for the wildfire fuel load of Korean red pine (Pinus densiflora) stands with susceptibility to forest fire based on the forest-growth model. Furthermore, a time-series analysis was performed on the variation in forest-fire fuel load according to forest management. National Forest Inventory stand data of 1434 plots for P. densiflora stands were used, and the final f ...
fuels (fireecology), etc ; biomass; energy; forests; heat; stored wood; supply chain; wood; Show all 8 Subjects
Abstract:
... Irregular seasonal demand from heat- and combined heat and power plants means that outdoor storage of forest fuels is an inevitable step in the forest fuel supply chain. Storage of fresh comminuted biomass render substantial dry matter and energy losses. Covering can protect wood chips from rewetting, leading to a higher net calorific value and lower dry matter losses, and thus increase the amount ...
fuels (fireecology), etc ; grasslands; models; regression analysis; remote sensing; risk; soil erosion; Show all 7 Subjects
Abstract:
... Obtaining accurate information on the fractional cover of non-photosynthetic vegetation (NPV) (f NPV) on grasslands is essential for monitoring soil erosion risk, assessing grassland productivity and managing grassland ecosystems. However, few studies have monitored f NPV in the Xilingol grassland region (XGR) and its spatiotemporal variations based on Moderate Resolution Imaging Spectroradiometer ...
fuels (fireecology), etc ; Picea abies; Pinus nigra; carbon; fuel loading; terminology; understory; wildfires; Austria; Show all 9 Subjects
Abstract:
... Understanding fires in temperate European coniferous forests is hindered by a lack of reliable field observations on fuel load and structure. Fuel load influences the spread, intensity and spotting distance of a surface fire, torching likelihood and potential carbon emissions. We quantified fuel load and structure for Austrian coniferous forests using 93 sample plots across Austria. We compared Au ...