Climate Change in the Pacific Region
Pacific Region

Climate Change in Pacific Northwest Forest Ecosystems

Forest disturbances such as fire, insect and disease are forecast to continue and accelerate throughout the region. Loss of snowpack and changes in hydrology are changing especially in low elevation and high elevation forests.

Learn more about climate change impacts on forested ecosystems by clicking the associated links below:

Pests and Pathogens

Distribution and Dominant Species

Tree species and forest types are changing as conditions change

Wind Damage

Invasive Species

Invasive species risks to forests will continue to grow


Fire Frequency and Intensity

Climate plays an important role in both fire frequency and intensity


Want to learn more?

Check out these great synthesis documents on how climate change effects forest systems:

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. Gen. Tech. Rep. PSW-GTR-236. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 70 p.

Littell, J.S., McKenzie D., Peterson D.L., Westerling A.L.  2009b.  Climate and wildfire area burned in western U.S. ecoprovinces, 1916–2003.  Ecological Applications, 19(4), 2009, pp. 1003–1021

Vose, James M.; Peterson, David L.; Patel-Weynand, Toral, eds. 2012. Effects of climatic variability and change on forest ecosystems: a comprehensive science synthesis for the U.S. forest sector. Gen. Tech. Rep. PNW-GTR-870. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 265 p.

Climate Change Effects on Forest, Alpine, and Western Prairie Habitats in Washington State (WA Dept of Fish and Wildlife, National Wildlife Federation, July, 2010


Last updated: July 8, 2013

Images sourced from the USFWS Flicker Page
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