Fog rolls over the treetops of a forest of Douglas fir and redwood trees near the Eel River. Photo: Gary Kavanagh/Getty Images. ... Douglas fir trees are an ecologically and economically important ...

A new study finds the West is likely to see slower-growing Douglas fir trees in the future, as temperatures and droughts increase with climate change. Researchers with the University of California ...

West Coast forest landowners will plant less Douglas-fir in warming climate, model shows. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2019 / 07 / 190730141838.htm ...

The U.S. Forest Service has maintained similar projects, like the Douglas-fir Heredity Study, for over a century. Some of the trees that were part of the original project, which was planted in ...

Douglas-fir trees are the most common victims, but stress due to the weather is affecting many tree species, and a variety of different problems are showing up. Flare out ...

Mature Douglas fir can reach heights of 300 feet and 10 feet in girth. In addition, Douglas-fir can live for 1,000 years, earning the moniker “old growth” or “ancient” forest.

According to Portland Parks and Recreation, nearly 50 percent of all trees in Forest Park are bigleaf maples. To put that in perspective, the second ranked species - that old Douglas fir - falls ...

Douglas fir trees around Ashland are dying in the thousands. ... In areas of this forest, anywhere from 20-80% of the fir trees are dead, he says. Experts are calling it a decline spiral.

Colorado State Forest Service supervisory forester Kamie Long looks for sap running down the side of a dead Douglas-Fir tree on Ute Mountain on Tuesday, June 7, 2022. Visible sap and sawdust are two ...