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Picture of New Report Assesses Impact of Climate Change on Forest Diseases
PSW-2012-15
New Report Assesses Impact of Climate Change on Forest Diseases

Title: A risk assessment of climate change and the impact of forest diseases on forest ecosystems in the Western United States and Canada

Author: Kliejunas, John T.

Date: 2011

Source: General Technical Report PSW-GTR-236. Albany, CA: USDA-Forest Service, Pacific Southwest Research Station. 70 p.

Publication Series: General Technical Report (GTR)

Description: This risk assessment projects the effects of eight forest diseases under two climate-change scenarios (warmer and drier, warmer and wetter). Examples are used to describe how various types of forest diseases may respond to environmental changes. Forest diseases discussed in this report include foliar diseases, Phytophthora diseases, stem rusts, canker diseases, dwarf mistletoes, root diseases, and yellow-cedar decline. The likelihood and consequences of increased damage to forests from each disease as a result of climate change are analyzed and assigned a risk value of high, moderate, or low. The risk value is based on available biological information and subjective judgment. Although results suggest that climate change will affect forest health, uncertainty arises regarding the degree of climate change that will occur; pathogen biology under changing climate; the effects of changing climate directly on the host; and the interactions between the pathogen, host, and climate.

Keywords: Climate change, forest pathogens, environmental risk assessment, foliar diseases, Phytophthora, Armillaria, stem rusts, canker diseases, dwarf mistletoe, root diseases, yellow-cedar decline

Publication Notes:

  • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
  • You may send email to rschneider@fs.fed.us to request a hard copy of this publication. (Please specify exactly which publication you are requesting and your mailing address.)

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Citation:


Kliejunas, John T. 2011. A risk assessment of climate change and the impact of forest diseases on forest ecosystems in the Western United States and Canada. General Technical Report PSW-GTR-236. Albany, CA: USDA-Forest Service, Pacific Southwest Research Station. 70 p.

 


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