File:2015. AROS (Armillaria ostoyae) Crew. Left-to-right Greg Filip, Paul Deignan, Mike Simpson, Brent Oblinger, and Helen Maffei. Klamath Ranger District, Fremont-Winema National Forest, Oregon. (24732200337).jpg

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AROS (Armillaria ostoyae) Crew. Left-to-right: Greg Filip, Paul Deignan, Mike Simpson, Brent Oblinger, and Helen Maffei. Klamath Ranger District, Fremont-Winema National Forest, Oregon.

Additional information from Helen Maffei: "This pic is our latest re-measurement of AROS (an Armillaria root disease study near Klamath Falls). This study examined whether the fir component fared better in Armillaria infected stands when the stand was managed (thinning) to relieve stress. As it turned out management had very little effect on the progression of Armillaria root disease."

For more about the project see: <a href="http://ucanr.edu/sites/PTIPS/AROS_Root_Disease/" rel="nofollow">ucanr.edu/sites/PTIPS/AROS_Root_Disease/</a>

See also: Filip, G. M.; H. M. Maffei; K. L. Chadwick; T. A. Max, 2010: Armillaria Root Disease-Caused Tree Mortality following Silvicultural Treatments (Shelterwood or Group Selection) in an Oregon Mixed-Conifer Forest: Insights from a 10-Year Case Study. Western Journal of Applied Forestry, 25, 136-143.

Photo by: Josh Bronson Date: July 23, 2015

Photo credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Central Oregon Service Center. Source: Josh Bronson collection.

Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: <a href="https://www.fs.usda.gov/main/r6/forest-grasslandhealth" rel="nofollow">www.fs.usda.gov/main/r6/forest-grasslandhealth</a>

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Source 2015. AROS (Armillaria ostoyae) Crew. Left-to-right: Greg Filip, Paul Deignan, Mike Simpson, Brent Oblinger, and Helen Maffei. Klamath Ranger District, Fremont-Winema National Forest, Oregon.
Author R6, State & Private Forestry, Forest Health Protection
Camera location42° 25′ 01.19″ N, 122° 12′ 16.47″ W Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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Public domain
This image or file is a work of a United States Department of Agriculture employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

English ∙ español ∙ Nederlands ∙ slovenščina ∙ Tiếng Việt ∙ македонски ∙ русский ∙ українська ∙ 日本語 ∙ +/−

This image was originally posted to Flickr by USDA Forest Service at https://flickr.com/photos/151887236@N05/24732200337 (archive). It was reviewed on 7 May 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark.

7 May 2018

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