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Environment & Energy
Related: About this forumNew Report Examines Effects of Trees Killed by Bark Beetles on Wildfire
http://www.fs.fed.us/psw/news/2012/20120530BarkBeetlesTreeMortality.shtml[font face=Serif][font size=5]New Report Examines Effects of Trees Killed by Bark Beetles on Wildfire[/font]
[font size=4]Pacific Southwest Research Station/USDA Forest Service
Science that makes a difference. . .[/font]
Contact: Sherri Eng, PSW Research Station Public Affairs, [email protected]; (510) 559-6327
[font size=3]ALBANY, Calif.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 Services 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.
Key findings, which appeared in the journal Forest Ecology and Management, include:
To read the full report, Effects of bark beetle-caused tree mortality on wildfire, go to: http://www.fs.fed.us/pnw/pubs/journals/pnw_2012_hicke001.pdf[/font][/font]
[font size=4]Pacific Southwest Research Station/USDA Forest Service
Science that makes a difference. . .[/font]
Contact: Sherri Eng, PSW Research Station Public Affairs, [email protected]; (510) 559-6327
[font size=3]ALBANY, Calif.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 Services 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.
Key findings, which appeared in the journal Forest Ecology and Management, include:
- Bark beetle outbreaks can indeed affect fuels and fire behavior;
- However, the types of change depend on time since outbreak and fuels or fire characteristic of interest;
- Based on agreement and disagreement of the published studies, and the identified gaps in scientific knowledge, the papers authors also assigned confidence levels to their conceptual model. Lower confidence levels occurred in fuels responses in the red phase, as well as in responses of crown fire behavior in red and gray phases;
- The research question addressed in a study (comparison with other drivers of fire, such as climate or comparison with an unattacked stand) influenced its conclusions; and
- These findings suggest that it is not possible to reliably generalize about the effects of bark beetle-caused tree mortality on fuels or fire characteristics.
To read the full report, Effects of bark beetle-caused tree mortality on wildfire, go to: http://www.fs.fed.us/pnw/pubs/journals/pnw_2012_hicke001.pdf[/font][/font]
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New Report Examines Effects of Trees Killed by Bark Beetles on Wildfire (Original Post)
OKIsItJustMe
May 2012
OP
This is interesting. I had understood that the damage done by bark beetles did increase
JDPriestly
May 2012
#1
JDPriestly
(57,936 posts)1. This is interesting. I had understood that the damage done by bark beetles did increase
fire hazards in parts of S. California.
This study is quite worthwhile.
freethought
(2,457 posts)2. Not surprising, just ask New Mexico.
I had the opportunity to explore New Mexico a while back. Go into the right areas and you see acre upon acre upon acre of dead pinon pines. With area being so dry, the wood doesn't decompose, it just sits there like a tinder box just waiting for something to set it off. Finally something has and much of that acreage is going to go up in flames. New Mexico is amidst its biggest wildfire in history.