LOADING...
Please be patient.
Three equations for predicting tree height as a function of diameter (outside
This annotated bibliography was compiled to provide a comprehensive list of sources on the ecological factors that affect forest regeneration. Abstracts from 494 publications are indexed by author, species, and...
"In 1954, Dr. Helge Irgens-Moller initiated a rangewide collection of seed and seedlings of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco). Nearly 700 trees or stands were sampled in 10 western states,...
The LAndscape Management Policy Simulator (LAMPS) model, version
Using existing permanent research plot data, we developed equations
Data collected from permanent sample plots at medium and high elevations in Oregon's coastal forest clearly indicate that snow damage adversely influences stand development. Sapling stands of western hemlock...
Using existing data from untreated research plots, we developed equations
Some of the world's most productive timberland lies on the slopes of the coastal range in Oregon and Washington. More than one-half of the commercial forest land in that area is estimated as high site quality...
Riparian areas in the Pacific Northwest have traditionally been