Each year, all forested acres in Washington are surveyed from the air to track recent tree damage. That’s 22.4 million acres of forestland, which you can see in this three-minute video taken from 2011.
These aerial surveys are used to report the location and intensity of damage by forest insects, diseases, and other disturbances. See the results for yourself in our latest Forest Health Highlights report.
If you own forestland, use this report to understand which insects or diseases are active near your property and find out how to get maps and data covering your area.
Even if you don’t own forestland, the report helps you understand the quality and condition of forests near you. It’s so valuable in fact, that DNR and the U.S. Forest Service have conducted a forest health survey of Washington’s forests every year since 1947.
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