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News Link • Environment

New report examines effects of trees killed by bark beetles on wildfire

• http://www.bio-medicine.org, Sherri Eng
A recent report analyzing a range of published studies on the impact of bark beetles on trees in the U.S. and Canada provides a more complete picture of the effect of this destructive insect on wildfires.
 
Previously published studies reported a wide variety ofand often contradictoryconclusions about the bark beetles' effect on fuels and wildfire. A team of researchers from the USDA Forest Service's Pacific Southwest Research and Pacific Northwest Research stations and the University of Idaho set out to identify key knowledge gaps by developing a conceptual model based on the review of 39 previously published studies. The scientists used the model to describe expected changes of fuels and fire behavior following bark beetle outbreaks. 
 
"This study was prompted by concerns about the possibility of more extreme crown fire behavior in beetle-killed stands and public safety and structure loss, as well as impacts on firefighting operations," says co-author Jane Hayes, who also serves as
assistant director of the Pacific Southwest Research Station. "Our aim was to synthesize available information to provide greater understanding to fire and resource managers who need to consider the effect of beetle-killed trees on future wildfire characteristics."  

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