Tree Mortality caused by Mountain Pine Beetle
Please Note: Shaded areas show locations where trees were killed. Intensity of damage is variable and not all trees in shaded areas are dead. For more site-specific information, download arcgis files.
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Source: Annual aerial insect and disease surveys flown by USDA Forest Service, Oregon Department of Forestry, and Washington Department of Natural Resources.
= Host Type: Pinus spp.
Source: 250m forest type map developed by USDA Forest Service - Remote Sensing Application Center.
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