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Fire in Biological News

Results of national assessment of first responder location systems to be announced Aug. 3

... risk of a heart attack. A 2008 report by the U.S. fire Administration (USFA) identified stress or ... the rigorous assessment, which included several fire and police scenarios, was designed and conducted ... Plummer, a firefighter with the Berlin, Mass., fire Department, who served as a consultant to the ...

Forest fire prevention efforts will lessen carbon sequestration, add to greenhouse warming

... to reduce fuels that increase catastrophic fire in Pacific Northwest forests will be ... reduction treatments are effective in reducing fire severities in the western hemlock, Douglas-fir ... woody biofuels for reduction of catastrophic fire risks and used those for fuel, it would take 169 ...

In the warming West, climate most significant factor in fanning wildfires' flames

... is a product not of higher temperatures or longer fire seasons alone, but a complex relationship between ... climate-fire relationships, the scientists used fire data from 1916 to 2003 for 19 ecosystem types in ... wildfire area burned. They then compared these fire models with monthly state divisional climate ....

Harvard scientist says we are what we eat -- and what we cook

... it, he makes the case that the ability to harness fire and cook food allowed the brain to grow and the ... what it takes in. Since physical remnants of fire tend to degrade rapidly, archaeological evidence of fire and cooking dates back only about 800,000 years. ...

Stanford's Woods Institute awards new round of Environmental Venture Projects

... to Understanding the Role of Anthropogenic fire in the Desert Grasslands of Australia: ... time. In Australia, the impact of anthropogenic fire has been particularly significant, with ... have changed may better inform models of fire management in arid regions throughout the world. ...

Human role in Indonesian polluting forest fires -- Guido van der Werf in Nature Geoscience

... problem of the fires in Indonesia is not the fire itself but the poisonous smoke released. Due to ... is essential for improved predictions of major fire years. Where there's smoke.. The ... and population density made Kalimantan far more fire prone. Although the enormous influence of this ...

New phorid fly species turns red imported fire ants into 'zombies'

... OVERTON Zombie fire ants may not sound like a cool thing, but wait a ... Overton in East Texas, Dr. Scott Ludwig released fire ants infected with a new type of phorid fly, a minuscule parasite that only preys on red imported fire ants. The infected ants will soon exhibit some ...

NASA study says climate adds fuel to Asian wildfire emissions

... on NASA's Terra satellite -- as well as 1997-2006 fire data and research computer models -- to screen ... of fire, and the amounts of carbon monoxide in fire emissions are related to the amount of carbon ... when dry season rainfall was half of normal, fire emissions rose by a factor of 10. During the ...

Potentially harmful chemicals found in forest fire smoke

... alkaloids in smoke or detected them in air during fire season, but no one had directly measured them ... underbrush and other fuels at the Forest Service fire Science Laboratory in Missoula, Mont. The ... of alkaloids depends on how vigorously the fire burns. Smoldering fires such as those in ...

Fire is important part of global climate change, report scientists

... (Santa Barbara, Calif.) fire must be accounted for as an integral part of ... Panel on Climate Change (IPCC) to fully integrate fire into their assessments of global climate change, ... recent large wildfires and potentially changing fire regimes that are concomitant with anthropogenic ...

Plants could override climate change effects on wildfires

... amplifying the impacts that climate change has on fire frequencies. "Climate is only one control of fire regimes, and if you only considered climate when predicting fire under climate-change scenarios, you would have a ...

Phasic firing of dopamine neurons is key to brain's prediction of rewards

... Institute. Midbrain dopamine neurons fire in two characteristic modes, tonic and phasic, ... to an individual, midbrain dopamine neurons fire high frequency bursts of electrical activity. ... only, leaving the dopamine neurons unable to fire bursts. The cells would ...

Research synthesis shines light on several management options after fires in diverse ecosystems

... a recently released report on management after fire hinges upon. The publication, Effects of Timber ... the type of forest landscape determines the ways fire and logging may change an area after a wildfire. ... after the trees have been established. Crown fire reduces the probability of ...

Highlights from the March editions of ESA journals

... invited feature compares the effectiveness of fire fuel reduction methods under the U.S. National fire and fire Surrogate Study. Four articles examine the ...

Atmospheric scientists trace the human role in Indonesian forest fires

... "We've had a good understanding of fire events since the mid 1990s, but little before this due to the absence of fire data from satellites," says Field, who ... proved to be an excellent indicator of severe fire activity. We were able to piece together ...

Flame retardants prove ineffective on fresh-cut Christmas trees

... treated with the flame retardant became a fire hazard quicker than non-treated branches. ... best method for preserving freshness and reducing fire hazard of Christmas trees is to keep them in a ... most-effective and least-expensive way to reduce fire hazards in homes and public spaces. ...

Flame retardants prove ineffective on fresh-cut Christmas trees

... treated with the flame retardant became a fire hazard quicker than non-treated branches. ... best method for preserving freshness and reducing fire hazard of Christmas trees is to keep them in a ... most-effective and least-expensive way to reduce fire hazards in homes and pubic spaces. ...

Forest inventories in California include more than trees

... implying that forest managers will be tasked with fire hazard reduction, prevention, and suppression on ... area. Insects, diseases, air pollution, and fire shape the forested California landscape. More ... annually between 2001 and 2005. Modeling crown fire potential under extreme weather conditions showed ...

December 2008 Geology and GSA Today media highlights

... 959-962. In August 2004, a National Forest fire crew extinguished a 1.2-ha fire in a wilderness area ~40 km northeast of Santa Barbara, California. Examination revealed that the fire originated on a landslide dotted with superheated ...

Where there's wildfire smoke, there's toxicity

... filtered indoor air. This is because the fire particles can penetrate indoor structures more ... "The chemical composition of particles during the fire episodes is different than that during 'normal' ... were elevated by two-fold during the fire periodm" he said. "Water-soluble organic carbon ...

Wildfires result in loss of forests reserved by Northwest Forest Plan

... forests and discovered that elevated fire levels in the Pacific Northwest outweighed ... large-diameter forests in the Pacific Northwest, fire was the main reason for loss of these forests. The study, The Relative Impact of Harvest and fire Upon Landscape-Level Dynamics of Older Forests: ...

Book explores global implications of wildland fire smoke

... challenges of finding socially-acceptable uses of fire as a land management tool. The 686-page book ... to the present day for a deeper understanding of fire effects on local and global air quality. "We ... sections that begins with a description of how fire as a major land-use tool was first documented in ...

When it comes to forest soil, wildfires pack 1-2 punch

... in part, by the erosion that often occurs after a fire kills vegetation and disrupts soil structure. ... Research . "Losing our experiment in the fire was hard, but the opportunity to better understand fire as a dominant ecosystem process has been very ...

Wildfires cause ozone pollution to violate health standards, new study shows

... and hydrocarbons, which can form ozone near the fire or far downwind as a result of chemical reactions ... times more likely to violate safe levels when fire plumes blew into a region than when no plumes ... at NCAR. With the first one, a specialized fire model, they estimated the amount of vegetation ...

Study reveals homeowner perceptions in fire-prone areas

... areas, perceived level of responsibility for fire prevention and preferred way to receive fire information. Almost 70 percent had experienced an ... linger even a few years after the last major fire in an area. Many of these respondents also rated ...

Southern Sierra Science Symposium planned for Visalia

... additional related science topics dealing with: fire behavior and ecology, invasive species, air/water ... vegetation distribution, consequences of lengthy fire exclusion on forests, use of prescribed fire as a tool for forest restoration, and ...

Landscape study may offer solutions for fire managers

... PORTLAND, Ore. July 23, 2008. A fire is currently burning through a study area where projections were made about fire behavior about 2 years ago. Managers used data ... of treatments near where the Cold Springs fire is now active. The Gotchen LSR, lies on the ...

AGU journal highlights -- July 23, 2008

... 1. fire suppression may have reduced carbon storage in western U.S. forests Active fire suppression since the early twentieth century has ... The authors conclude that twentieth-century fire suppression and the resulting increase in stand ...

NASA responds to California wildfire emergency imaging request

... from the California Department of Forestry and fire Protection, the California Governor's Office of Emergency Services and the National Interagency fire Center. "NASA's emergency imaging gives us ... Sierra Nevada Mountains, west to the Cub Complex fire and south to the ...

M2SYS Technology Selected by ZOLL Data Systems to Integrate Fingerprint Software

... fire & EMS Management Software Provider to Offer ... an industry leader in the development of EMS and fire department management software, to provide ... management, and mobile data software for the fire and emergency medical services (EMS) market. ...

Mystery of infamous 'New England Dark Day' solved by tree rings

... chronology, so we can tell when there has been a fire or a drought occurred and unlock the history the ... MU researchers combined written accounts and fire scar evidence to determine that the dark day was ... by massive wildfires burning in Canada. "A fire comes along and heat goes through the bark, ...

Mystery of infamous 'New England Dark Day' solved by 3 rings

... chronology, so we can tell when there has been a fire or a drought occurred and unlock the history the ... MU researchers combined written accounts and fire scar evidence to determine that the dark day was ... by massive wildfires burning in Canada. "A fire comes along and heat goes through the bark, ...

Scorched Earth millenium map shows 'fire scars'

... team, created a visual impression of the fire scars on our planet between 2000 and 2007. The ... the atmosphere, managing forests and controlling fire and even for predicting future fire occurrence. The research has been published in ...

International symposium explores fire suppression economics

... of suppressing wildland fires. The Symposium on fire Economics, Planning and Policy: Common Problems ... will also include economists, policy analysts and fire managers from more than a dozen countries ... economists and social scientists who explored how fire suppression costs often bear little relation to ...

Playing dead is no game for ant survival

... effective self-defense strategy adopted by young fire ant workers under attack from neighboring ... death feigning behavior of the highly territorial fire ant, Solenopsis invicta, during attacks by ants ... for the death feigning behavior of the young fire ants. The external skeleton of days-old workers ...

The bombardier beetle, power venom and spray technologies

... designers of engines, drug-delivery devices and fire extinguishers to improve spray technologies, ... in Africa and Asia, is remarkable in that it can fire a powerful jet of hot, toxic fluid to fight off ... liquids), McIntosh and his team have been able to fire pulses of hot spray distances of up to 4 m and ...

AGU journal highlights -- Jan. 28, 2008

... on wildfire history and the long-term trends in fire occurrence in larch-dominated communities. ... present in tree-ring data, the authors calculate fire return intervals for zones where larch dominate ... heat of fires to germinate, this decrease in fire return intervals may help sustain larch as ...

Relationship between invasive plants, fire subject of new report

... The relationship between fire and invasive plant species is complex, to say the ... to the ecosystems they inhabit. On the other, fire can be a management tool that curtails invasive ... ongoing research conducted as part of the Joint fire Science Program (JFSP). Titled Invasive Plant ...

US faces burning emissions issue

... Western and Southeastern US, the proportion of fire contributions to CO2 emissions can increase ... of very large wildfires is that a severe fire season lasting only one or two months can release ... the forests of the United States due to changing fire dynamics in the coming decades." ...

Wildfire drives carbon levels in northern forests

... emissions from the system. However, "because fire frequency and fire intensity are directly controlled by climate ... says. "Climate change is what's causing the fire changes. They're very tightly coupled systems." ...
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