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...
Jimmy Taylor, Donivan Sphar, Glenn Ahrens |
Jun 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
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 ...
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.
Follow these 10 principles to turn your garden into a pollinator paradise. Plant flowers of different shapes, aim for continuous flowering and be sure to feature native plants. Include bulbs, shrubs and trees in your planting plan, and leave some bare dirt for ground-nesting bees.
David Phipps is considered one of the Northwest’s leaders in golf course environmental stewardship and innovation. While working as the superintendent at Stone Creek Golf, he received the GCSAA President’s Award for Environmental ...
Oregon’s bumble bees are all hibernating. Mated bumble bee queen are known to winter in loose soil or leaf litter, but we don’t know much more beyond that. This week we talk with Rich Hatfield about a new community ...