Thinning is one of the most powerful forest management tools available to landowners for achieving a wide range of goals and objectives.
Thinning influences:
• Trees’ growth rates and potential economic value
• Which species of trees and other plants will be in the stand
• Trees’ resistance to insects...
Tarif numbers are essential for calculating the volume of standing timber on forest land. This publication includes comprehensive tarif numbers for six species of Oregon timber--Douglas-fir, grand fir, ponderosa pine, red alder, western hemlock, and western redcedar--and the corresponding tree volumes.
Forest landowners are interested in practicing alternative silviculture methods on their property without having to clearcut. This publication describes a case study on Individual Tree Selection (ITS) in a mixed conifer forest in Northeast Oregon. ITS is of interest because it provides a continuous forest canopy; potentially reduces reforestation costs;...
Procedures outlined in this publication show how to estimate standing volume and annual growth of individual timber stands that are relatively uniform in species, age, size, and density. Estimates of volume and growth are helpful in planning when to harvest or how much to remove in a thinning operation. These...
Paterson’s curse is a member of the borage family (Boraginaceae). It is native to Mediterranean Europe and North Africa but has spread to southern Africa, South and North America, Australia, and New Zealand. Outside of its native habitat, it is an aggressive, drought-tolerant plant that adapts to many soil moisture...
A bright sign of spring, Scotch broom (Cytisus scoparius) reminds us of its invasive presence each year as many acres of forests, pastures, and rights-of-way burst into golden bloom. Scotch broom is a native of Europe and North Africa, from Great Britain to the Ural Mountains, and from Sweden to...
Published February 1963. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Published May 2005. Reviewed March 2016. Please look for up-to-date information in the OSU Extension Catalog: https://catalog.extension.oregonstate.edu
Published December 1967. Reprinted August 1979. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog