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Pioneering landscape-scale research releases first findings
Date:5/16/2008

nd higher tree mortality. The scientists reached this conclusion by evaluating decades of growth data obtained on the experimental forest.

Controlled burns had little effect on the growth of large trees, but killed or weakened some smaller ones. Bark beetles were also more likely to colonize these weakened trees and therefore cause higher tree mortality.

The team also discovered a genus and species of a previously unknown ground-dwelling spider. Their research indicated old-growth characteristics intensified fire effects on spider populations because of increased forest debris.

Wildlife findings included a general lack of response from birds to thinning and controlled burns when some large trees were retained and burns were of low intensity.


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Contact: Roland Giller
rgiller@fs.fed.us
510-559-6327
US Forest Service, Pacific Southwest Research Station
Source:Eurekalert

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