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.
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...
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 ...
Pollination services and honey production are the primary revenue sources for a beekeeping business based in the Pacific Northwest. Those starting a beekeeping operation should focus on two to three revenue sources ...
Ellen Topitzhofer, Carolyn Breece, Dan Wyns, Ramesh Sagili |
May 2020 |
Extension Catalog publicationPeer reviewed (Orange level)
Late winter and early spring can be a perilous time for livestock. It's a time when even a full stomach won't stave off starvation. That's why livestock managers must pay close attention to the health of their animals.
The small stonecrop mason bee (Hoplitis emarginata) had never been found in Oregon until 2019 when it was discovered by Master Melittologist Judi Maxwell in the Siskiyou Mountains in southern Oregon. Only one person had seen it...
Lincoln Best, Andony Melathopoulos |
Nov 2021 |
Article
How do wildfires affect Oregon bees? Flames and heat can destroy their nests and smoke can disrupt their navigation abilities. But research shows they rebound strongly along with other flora and fauna after a fire.
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.