PORTLAND, Ore. — On Friday, the Oregon Department of Forestry launched its annual aerial survey of forests throughout the state, something the agency has done since 1947. Over the next few ...

A new study led by James Johnston, an assistant research professor for the University of Oregon, found that about 25% of trees over 300 years old died in the Malheur National Forest from 2012 to 2023.

Last year's report highlighted drought, insect pests, and tree diseases as the primary threats to Oregon's forests. The report is available online for public access.

Posted: May 1, 2025 / 07:30 AM PDT Updated: Apr 30, 2025 / 05:20 PM PDT ... The Oregon Department of Forestry says the annual aerial survey is the longest-running survey of its kind in the U.S.

SALEM, Ore. (KATU) — The Oregon Department of Forestry and the USDA Forest Service will conduct low-level flights in June to monitor forest health. This survey, which began in the 1940s and ...