The mountain beaver is a medium-sized rodent of the western Pacific Northwest. Mountain beavers cause damage to forest regeneration by clipping or girdling seedlings or saplings or both, and undermining roots. Methods...
The June 2021 heat wave caused significant damage to trees in Oregon. Learn some key findings on causes, types of damage, physiological "thermotolerance" of trees, and possible forest management implications.
Dive into a case study on thinning in mature Douglas-fir stands. Nearly all the trees in the study responded with increased growth and improved stress resistance.
Sitka spruce is among the world's fast-growing trees and the largest of the world's spruces. It's a valuable commercial timber. Its range extends from Alaska to northern California, but it faces unique problems ...
Shore pine is a subspecies of lodgepole pine that inhabits the coastal strip in Oregon. Insect pests, diseases, and nonbiological (abiotic) factors may have an impact on growth, visual appearance, and productivity ...
Heavy precipitation in December means that gardeners should check their drainage and be wary of fungi and other signs of rot on their plants and stored produce. Learn more in this guide.
Oregon State Extension Service and other agencies are working together to help landowners recover from wildfires. The effort includes assessing reforestation needs, acquiring seedlings and facilitating restoration.
Fires and ice storms in recent years have done serious damage to young forest stands in the Willamette Valley. Without much salvageable timber, landowners must decide how to restore the stands. Here are some options.
Silage-making has been used to reduce the concentrations of toxins in a variety of crops. But in the case of poison hemlock, the opposite is true — making silage out of it actually increases one of its toxic alkaloids.
Cassie Bouska, Amy Peters |
Jan 2006 |
Article
Credit Alicia Christiansen (Cropped from original)
After learning hands-on about pplanting Douglas-fir seedlings, students took them home to plant with their families, as well as an instruction cards with information about the state tree and Oregon’s forests.