The Oregon Department of Forestry says the annual aerial survey is the longest-running survey of its kind in the U.S.

fungal diseases and cankers. Although they are native along with Douglas firs, these pests can cause a lot of damage during ...

I had gone into the forest to collect myself. For a sense of timelessness, amid trees here long before I got here, that would ...

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Joel and Sarah Bond had filed for a removal permit back in January 2022, but Portland’s Bureau of Urban Forestry denied the ...

or a Douglas fir from the Pseudotsuga genus. Tate also warned that, in some instances, you should avoid replacing the tree altogether. "Often trees succumb to disease because of the site ...

The lawsuit alleges that the tree inspector from the city that examined the Douglas fir failed to notice signs of disease and decay, including woodpecker activity and swelling on the trunk of the ...