You are here: Home / Research Topics / Research Highlights / Search Results

Research Highlights

Search Results

Below are the highlights meeting your search criteria. To perform another search, click here.

Highlight IDTitleResearch Topic(s)YearStation

ID: 341
More Scotch broom found where logging debris was removed

Scotch broom, a nonnative, invasive species, is a severe competitor of young Douglas-fir.

Principal Investigator : Timothy B. Harrington, Ph.D.

Resource Management and Use2011PNW

ID: 342
Presence of tanoak reduces Douglas-fir mortality from black-stain root disease

Black-stain root disease is a native pathogen of conifers in the Pacific Northwest. The disease reduces growth and ultimately kills the infected ...

Principal Investigator : Timothy B. Harrington, Ph.D.

Resource Management and Use2011PNW

ID: 520
Some Logging Debris Cover Boosts Growth of Douglas-fir Seedlings on Low-nutrient Site

Stem growth of Douglas-fir seedlings with 40 percent debris cover and competing vegetation was greater than that of seedlings with zero or 80 pe ...

Principal Investigator : Timothy B. Harrington, Ph.D.

Resource Management and Use2013PNW