Browse Forest Health and Management Resources

Lynn Ketchum
Displaying 1 - 10 of 10 resources

Climate change anomaly intensifies Swiss needle cast in some Douglas-fir forests

Dec 18, 2018
The fungal disease reacts favorably to the wet, foggy environment on the west slope of the Oregon Coast Range.

By Kym Pokorny | News Story

Genetic behavior reveals cause of death in poplars essential to ecosystems, industry

Oct 25, 2018
Scientists studying the valuable, but vulnerable, black cottonwood poplar have identified the genetic mechanism responsible for the species’ inability to resist a pervasive and deadly disease.

By Chris Branam | News Story

Aspen is making a comeback in and around Yellowstone National Park, because of predators

Aug 30, 2018
The reintroduction of wolves into Yellowstone National Park is tied to the recovery of aspen in areas around the park, according to a new study.

By Chris Branam | News Story

Conifers – especially Doug-firs – are suffering from drought

Aug 31, 2018
Several dry, warm years are taking their toll on Oregon conifers.

By Kym Pokorny | News Story

New ‘droughty’ soils model for Pacific Northwest could aid forest health in changing climate

Aug 16, 2018
Scientists have developed a new approach to modeling potentially drought-prone soils in Pacific Northwest forests, which could aid natural resource managers to prepare forested landscapes for a changing climate.

By Chris Branam | News Story

Fire is not all bad news in healthy sagebrush steppe ecosystems

Jul 30, 2018
Fire is not all bad news in healthy sagebrush steppe ecosystems, according to an Oregon State University study.

By Chris Branam | News Story

European strain of deadly plant disease infects fir saplings in Oregon

Oct 19, 2017
Area has been quarantined and infected trees have been cut down and burned

By Chris Branam | News Story

Woodland owners learn resource management

Feb 11, 2003
For some Portland area landowners, weekend chores mean more than cleaning the garage.

By Peg Herring | News Story