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Provides current information on lumber and plywood production and prices; employment in the forest industries; international trade in logs, lumber, and plywood; volume and average prices of stumpage sold by public agencies; and other related items.

Provides current information on lumber and plywood production and prices: employment in the forest industries: international trade in logs, lumber, and plywood; volume and average prices of stumpage sold by public agencies; and other related items.

This report notes the changes in timberland area and in timberland ownership that took place in western Oregon between 1961 and 1986. The data for the report were based on observations and measurements taken during three successive forest inventories of non-Federal lands in western Oregon. Estimates of change were based on repeat measurements of 1,465 permanent plots but older classification were revised to meet current definitions and standards.

By 2000, prices are expected to rise significantly for medium-grade logs and modestly for low-grade logs. World economic cycles may obscure, however, the upward price trends. Exports from the United States of medium grades are expected to remain stable, while volumes of lower grades are projected to remain level through 1995 and then decline because of competition.

Height and diameter growth of Pacific silver fir (Abies amabilis Dougl. ex Forbes) and western hemlock (Tsuga heterophylla (Raf.) Sarg.) site trees, as well as overall stand structure on 0.15-acre plots, were analyzed in mixed stands 43 to 57 years old in breast height age at six locations in western Washington. These mixed stands have produced volumes of 9,160 to 20,200 cubic feet per acre. Early height and diameter growth of hemlock site trees was greater than that of silver fir. After 30 to 45 years of growth, the predicted site index of silver fir was 1 to 2 feet greater than that of...

This annotated bibliography of published literature provides a comprehensive source of information on animal damage assessment and management for forest land managers and others in the Pacific Northwest. Citations and abstracts from more than 900 papers are indexed by subject and author. The publication complements and supplements A Silvicultural Approach to Animal Damage Management in Pacific Northwest Forests, a compendium focusing on interactions between silviculture and animal damage management. The bibliography compiles the current knowledge and experience about managing animal...

A system for anchoring the guylines and skylines of cable yarding equipment is presented. A description of three types of tipping plate anchors is given. Descriptions of the installation equipment and methods specific to each type are given. Procedures for determining the correct number of anchors to install are included, as are guidelines for installing the anchors so that they will reliably withstand the forces imposed on them in this application. Charts for determining the number of anchors to install and bridle together are included. Information presented is based on field tests...

Spotted owls (Strix occidentalis) were monitored on 11 National Forests in the Pacific Northwest Region of the USDA Forest Service between March and August of 1987. The basic intent of monitoring was to provide estimates of occupancy and reproduction rates for pairs of spotted owls. This paper documents the technical details of the statistical estimation procedures used to produce all the estimates resulting from that effort. All relevant formulae are presented as well as decisions made about collapsing strata to estimate variances. Some complicating aspects of the monitoring effort are...

Provides current information on lumber and plywood production and prices; employment in the forest industries; international trade in logs, lumber, and plywood; volume and average prices of stumpage sold by public agencies; and other related items.

International 1/4-inch board-foot volume equations and tables were derived from fall, buck, and scale data for 374 trees at 78 locations in the Susitna River Basin, Alaska. Tree species included white and black spruce, paper birch, black cottonwood, and quaking aspen.