Featured Research

from universities, journals, and other organizations

Effects of trees killed by bark beetles on wildfire

Date:
May 30, 2012
Source:
USDA Forest Service - Pacific Southwest Research Station
Summary:
A recent report analyzing a range of published studies on the impact of bark beetles on trees in the US and Canada provides a more complete picture of the effect of this destructive insect on wildfires.

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.

Related Articles


Previously published studies reported a wide variety of -- and often contradictory -- conclusions 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.

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 paper's 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.

"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."


Story Source:

The above story is based on materials provided by USDA Forest Service - Pacific Southwest Research Station. Note: Materials may be edited for content and length.


Journal Reference:

  1. Jeffrey A. Hicke, Morris C. Johnson, Jane L. Hayes, Haiganoush K. Preisler. Effects of bark beetle-caused tree mortality on wildfire. Forest Ecology and Management, 2012; 271: 81 DOI: 10.1016/j.foreco.2012.02.005

Cite This Page:

USDA Forest Service - Pacific Southwest Research Station. "Effects of trees killed by bark beetles on wildfire." ScienceDaily. ScienceDaily, 30 May 2012. <www.sciencedaily.com/releases/2012/05/120530152324.htm>.
USDA Forest Service - Pacific Southwest Research Station. (2012, May 30). Effects of trees killed by bark beetles on wildfire. ScienceDaily. Retrieved November 23, 2014 from www.sciencedaily.com/releases/2012/05/120530152324.htm
USDA Forest Service - Pacific Southwest Research Station. "Effects of trees killed by bark beetles on wildfire." ScienceDaily. www.sciencedaily.com/releases/2012/05/120530152324.htm (accessed November 23, 2014).

Share This


More From ScienceDaily



More Earth & Climate News

Sunday, November 23, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Ebola-Hit Sierra Leone's Late Cocoa Leaves Bitter Taste

Ebola-Hit Sierra Leone's Late Cocoa Leaves Bitter Taste

AFP (Nov. 23, 2014) The arable district of Kenema in Sierra Leone -- at the centre of the Ebola outbreak in May -- has been under quarantine for three months as the cocoa harvest comes in. Duration: 01:32 Video provided by AFP
Powered by NewsLook.com
NY Gov. on Flood Prep: 'prepared for the Worst'

NY Gov. on Flood Prep: 'prepared for the Worst'

AP (Nov. 23, 2014) First came the big storm. Now comes the big melt for residents of flood-prone areas around Buffalo. New York's governor says officials are preparing for the worst as the temperature is expected to rise and potentially melt several feet of snow. (Nov. 23) Video provided by AP
Powered by NewsLook.com
Anglerfish Rarely Seen In Its Habitat Will Haunt You

Anglerfish Rarely Seen In Its Habitat Will Haunt You

Newsy (Nov. 22, 2014) For the first time Monterey Bay Aquarium recorded a video of the elusive, creepy and rarely seen anglerfish. Video provided by Newsy
Powered by NewsLook.com
Raw: Buffalo Residents Digging Out, Helping out

Raw: Buffalo Residents Digging Out, Helping out

AP (Nov. 22, 2014) Hundreds of volunteers joined a 'shovel brigade' in Buffalo, New York on Saturday, as the city was living up to its nickname, "The City of Good Neighbors." Video provided by AP
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins