Index Catalog // ScholarsArchive@OSU

Height-diameter equations for sixteen tree species in the central western Willamette Valley of Oregon

Creator:: Wang, Chao-huan and Hann, David W.
Abstract:: Equations for predicting tree height as a function of diameter outside bark at breast height are presented for 16 tree species from the central western Willamette Valley of Oregon. Foresters can use these "height-diameter" equations to avoid the time consuming task of measuring heights of all individual trees in an...
Resource Type:: Technical Report
Full Text:: , national origin, handicap, marital ti status, or religion. Forest Research Laboratory College of

Equations for predicting height to crown base for fourteen tree species in southwest Oregon

Creator:: Ritchie, Martin W., Hann, David W., and Oregon State University. Forest Research Laboratory
Abstract:: Equations are presented for predicting height to crown base (or bole ratio) for fourteen species of trees common to the mixed-conifer zone of southwest Oregon. Nonlinear regression was used to fit a weighted logistic function for each species. The independent variables include height, crown competition factor in larger trees, stand...
Resource Type:: Research Paper
Full Text:: /EARCH LAS College of Forestry Oregon State University The Forest Research Laboratory of Oregon State

Height-diameter equations for seventeen tree species in southwest Oregon

Creator:: Larsen, David R., Hann, David W., and Oregon State University. Forest Research Laboratory
Abstract:: Equations for predicting total height as a function of diameter at breast height are presented for 17 tree species from southwest Oregon. Because basal area and site index often influence tree height, additional equations are presented which may include either or both of these as independent variables. Equation coefficients were...
Resource Type:: Technical Report
Full Text:: other Forest Research Laboratory publications are available from: Forestry Business Office College of

Service life of treated and untreated fence posts : 1985 post-farm report

Creator:: Miller, Donald James and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: Copies of this and other Forest Research Laboratory publications are available from: Forestry Business

Nonlinear equations for predicting diameter and squared diameter inside bark at breast height for Douglas-fir

Creator:: Ritchie, Martin W., Hann, David W., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: . Forest Research Laboratory College of Forestry Oregon State University Corvallis, OR 97331-5704

Economic impact of proposed Oregon Forest Practices Rules on industrial forest lands in the Oregon Coast Range : a case study

Creator:: Olsen, Eldon D., Keough, David S., LaCourse, Diane K., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: University The Forest Research Laboratory of Oregon State University was established by the Oregon

Fuelwood characteristics of northwestern conifers and hardwoods

Creator:: Wilson, Pamela L., Funck, James W., Avery, Robert B., and Oregon State University. Forest Research Laboratory
Abstract:: This publication collates the published ranges of fuelwood characteristics for 33 conifer and 20 hardwood species in the Pacific Northwest. The following characteristics are covered: specific gravity, percent moisture content, higher heating value, and percent ash of wood and bark; percent bark by volume; and ultimate analysis (percent carbon, hydrogen,...
Resource Type:: Technical Report
Full Text:: of Forestry Oregon State University The Forest Research Laboratory of Oregon State University was

Dominant-height-growth and site-index equations for Douglas-fir and ponderosa pine in southwest Oregon

Creator:: Hann, David W., Scrivani, John A., Oregon State University. Forest Research Laboratory, and Southwest Oregon Forestry Intensified Research Program
Resource Type:: Technical Report
Full Text:: Simulation. J. Fries, ed. Department of Forest Yield Research, Royal College of Forestry, Stockholm, Sweden

Equations for predicting basal area increment in Douglas-fir and grand fir

Creator:: Ritchie, Martin W., Hann, David W., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: Simulation. (J. Fries, ed.). Royal College of Forestry, Stockholm. Research Note 30. 379 p. PAINE, D.P., and

Balloon logging with the pendulum-swing system -- factors affecting lift

Creator:: Olsen, Eldon D., Tuor, Brian R., Pyles, Marvin Russell, and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: Research Laboratory publica- tions are available from: Forestry Business Office College of Forestry Oregon

Predicting merchantable volume in cubic feet to a variable top and in Scribner board feet to a 6-inch top for six major conifers of southwest Oregon

Creator:: Walters, David K., Hann, David W., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: State University. The Forest Research Laboratory of Oregon State University was established by the

Seedling protectors for preventing deer browse

Creator:: Schaap, Wieger, 1957-, DeYoe, David R., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: Forest Research Laboratory of Oregon State University was established by the Oregon Legislature to

Estimating streamflows on small forested watersheds for culvert and bridge design in Oregon

Creator:: Adams, Paul W. and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: Robert L. Beschta Henry A. Froehlich College of Forestry Oregon State University The Forest Research

Equations and tables predicting gross total stem volumes in cubic feet for six major conifers of southwest Oregon

Creator:: Hann, David W., Walters, David K., Clyde, Merlise A., and Oregon State University. Forest Research Laboratory
Abstract:: Equations and tables predicting gross total stem volumes in cubic feet are presented for Douglas-fir, grand fir, white fir, ponderosa pine, sugar pine, and incense-cedar. The data were gathered in second-growth, mixed-conifer stands of southwest Oregon. The basic equations use diameter outside bark at breast height and total tree height...
Resource Type:: Technical Report
Full Text:: other Forest Research Laboratory publications are available from: Forestry Business Office College of

CLPLOSS : analyzing green-end veneer recovery and loss

Creator:: Sheffield, Thomas H., Funck, James W., and Oregon State University. Forest Research Laboratory
Abstract:: This paper is a detailed description of a method for calculating and analyzing losses and recoveries in a veneer peeling/clipping operation. The method involves filming veneer sheets as they exit the clipper, digitizing this film, and using the digitized information in a computer analysis.
Resource Type:: Technical Report
Full Text:: University College of Forestry The Forest Research Laboratory of Oregon State University Wasestablished by

An annotated bibliography of selected guides for stream habitat improvement in the Pacific Northwest

Creator:: Keim, Richard F., Price, A. Blake, Hardin, Timothy Stone, Skaugset, Arne E., Bateman, Douglas S., Gresswell, Robert E., Tesch, S. D., and Oregon State University. Forest Research Laboratory
Abstract:: This annotated bibliography is a response to widespread interest in stream habitat improvement in the Pacific Northwest by land managers, governmental and nongovernmental organizations, and the lay public. Several guides to stream habitat improvement have been written in the past, but may not be easily accessible to people from diverse...
Resource Type:: Technical Report
Full Text:: processing, design, and layout by Forestry Communications Group. The Forest Research Laboratory of Oregon

Landscape Management Policy Simulator (LAMPS) : version 1.1 : user guide

Creator:: Bettinger, Pete, 1962-, Lennette, Marie, and Oregon State University. Forest Research Laboratory
Abstract:: The LAndscape Management Policy Simulator (LAMPS) model, version 1.1, is a spatial simulation model developed to provide forest landscape planning simulations for the Coastal Landscape Analysis and Modeling Study (CLAMS). It is designed to help policymakers, managers, and planners think through alternative management scenarios and their potential effects on the...
Resource Type:: Technical Report
Full Text:: , and layout by Forestry Communications Group. Recycled Paper The Forest Research Laboratory of Oregon

Private timber harvest potential in Eastern Oregon

Creator:: Adams, Darius Mainard, 1944-, Latta, Gregory S., and Oregon State University. Forest Research Laboratory
Abstract:: Growing stock inventory on industrial and nonindustrial private forest (NIPF) lands in eastern Oregon has declined over the past 20 yr, as harvesting and mortality losses to insects and disease have outpaced growth. Over the same time period, harvest rates on private lands have varied, with no distinct trend to...
Resource Type:: Technical Report
Full Text:: Communications Group. Recycled Paper The Forest Research Laboratory of Oregon State University, established by

Enhanced height-growth-rate equations for undamaged and damaged trees in southwest Oregon

Creator:: Hann, David W., Hanus, Mark L., and Oregon State University. Forest Research Laboratory
Abstract:: Equations for predicting the 5-yr height growth rate of a tree are presented for six conifer species from southwest Oregon. Equations for the combination of undamaged and damaged trees were estimated with weighted nonlinear regression techniques. These equations are being incorporated into the new southwest Oregon version of ORGANON, a...
Resource Type:: Technical Report
Full Text:: Research Laboratory of Oregon State University, established by the Oregon Legislature, conducts research

Equations for predicting height-to-crown-base, 5-year diameter-growth rate, 5-year height-growth rate, 5-year mortality rate, and maximum size-density trajectory for Douglas-fir and western hemlock in the coastal region of the Pacific Northwest

Creator:: Hann, David W., Marshall, David D., Hanus, Mark L., and Oregon State University. Forest Research Laboratory
Abstract:: Using existing permanent research plot data, we developed equations for predicting height-to-crown-base (HCB), 5-yr diametergrowth rate (delta D), 5-yr height-growth rate (delta H), 5-yr mortality rate (PM), and the maximum size-density trajectory for Douglasfir and western hemlock in the coastal region of the Pacific Northwest. With the exception of the...
Resource Type:: Technical Report
Full Text:: Communications Group. Recycled Paper The Forest Research Laboratory of Oregon State University, established by

Enhanced diameter-growth-rate equations for undamaged and damaged trees in southwest Oregon

Creator:: Hann, David W., Hanus, Mark L., and Oregon State University. Forest Research Laboratory
Abstract:: Equations for predicting the 5-yr diameter-growth rate of a tree are presented for eight conifer and nine hardwood tree species from southwest Oregon. Equation parameters for undamaged and damaged trees combined were estimated by weighted nonlinear regression. The resulting equation for Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] explained more than 71%...
Resource Type:: Technical Report
Full Text:: Research Laboratory of Oregon State University, established by the Oregon Legislature, conducts research

Riparian forest buffers on agricultural lands in the Oregon coast range : Beaver Creek riparian project as a case study

Creator:: Bishaw, Badege, Emmingham, William H., Rogers, William Reinhold, and Oregon State University. Forest Research Laboratory
Abstract:: Riparian areas in the Pacific Northwest have traditionally been a source of natural resources, such as timber and grazing, and have been used as transportation corridors and homestead sites. A primary impact of use has been the removal of riparian trees, the crowns and roots of which provide shade and...
Resource Type:: Technical Report
Full Text:: Recycled Paper The Forest Research Laboratory of Oregon State University, established by the Oregon

Timber harvest projections for private land in western Oregon

Creator:: Adams, Darius Mainard, 1944-, Schillinger, Randall R., Latta, Gregory S., Van Nalts, Adrienne, and Oregon State University. Forest Research Laboratory
Abstract:: In this analysis, volume-flow and market-based models of the western Oregon timber sector are developed. The volume-flow model finds the maximum, long-term, even-flow level of cut for each ownership (industry and non-industrial private forest). The market model simulates the interaction of log demand and timber owner supply to find the...
Resource Type:: Technical Report
Full Text:: processing, design, and layout by Forestry Communications Group Recycled Paper The Forest Research

Forest road contracting, construction, and maintenance for small forest woodland owners

Creator:: Kramer, Brian W. and Oregon State University. Forest Research Laboratory
Abstract:: This handbook is is a comprehensive guide to building and maintaining cost-effective, environmentally acceptable logging roads. It is aimed specifically at nonindustrial private woodland owners in western Oregon and Washington, but it draws on basic forest road engineering principles and practices applicable in other forestry settings. The text is written,...
Resource Type:: Technical Report
Full Text:: Forestry Communications Group. Recycled Paper The Forest Research Laboratory of Oregon State University

Enhanced mortality equations for trees in the mixed conifer zone of Southwest Oregon

Creator:: Hann, David W., Hanus, Mark L., and Oregon State University. Forest Research Laboratory
Abstract:: Equations for predicting the probability of a tree's dying in the next 5 years are presented for eight conifer and eight hardwood tree species from southwest Oregon. A logistic equation form was used to characterize the probability of mortality. The parameters of the equation were estimated using weighted, maximum likelihood...
Resource Type:: Technical Report
Full Text:: the mixed conifer zone of southwest Oregon. Research Contribution 34, Forest Research Laboratory

The effects of silvicultural activities on wildlife and fish populations in Oregon and the Pacific Northwest : an annotated bibliography from 1960-1999

Creator:: Maas-Hebner, Kathleen G. (Kathleen George), Schrader, Barbara A., and Oregon State University. Forest Research Laboratory
Abstract:: This annotated bibliography was compiled to provide forest managers with a comprehensive list of sources on the potential effects of silvicultural activities on wildlife and fish populations in Pacific Northwest forests. The bibliography emphasizes publications directly examining silvicultural activities and responses by these populations. Abstracts from 296 publications are indexed...
Resource Type:: Technical Report
Full Text:: layout by Forestry Communications Group. Recycled Paper The Forest Research Laboratory of Oregon State

Predicting height to crown base for undamaged and damaged trees in southwest Oregon

Creator:: Hanus, Mark L., Hann, David W., Marshall, David D., and Oregon State University. Forest Research Laboratory
Abstract:: Equations for predicting height to crown base are presented for tree species from southwest Oregon. Equations for undamaged and damaged trees were estimated with weighted nonlinear regression techniques. The effects of specific damaging agents on the height to crown base were explored, and damage correction factors were estimated. The damage...
Resource Type:: Technical Report
Full Text:: . TO ORDER COPIES Copies of this and other Forest Research Laboratory publications are available from

Silviculture and Swiss needle cast : research and recommendations

Creator:: Filip, Gregory M., Kanaskie, Alan, Kavanagh, Kathleen L., 1955-, Johnson, Greg, Johnson, Randy (G. Randy), Maguire, Douglas A. (Douglas Alan), and Oregon State University. Forest Research Laboratory
Abstract:: For the past ten years, Douglas-fir on the Oregon and Washington coast has shown a progressive decrease in height and diameter increment as a result of Swiss needle cast, which is caused by Phaeocryptopus gaeumannii. In this contribution, we discuss the effects of silvicultural operations on Swiss needle cast and...
Resource Type:: Technical Report
Full Text:: Science, College of Forestry, Oregon State University. Alan Kanaskie is a forest pathologist with the

Management of non-industrial private forest lands : survey results from western Oregon and Washington owners

Creator:: Johnson, Rebecca L., 1955-, Alig, Ralph J., Kline, J. D., Moulton, Robert J. (Robert James), Rickenbach, Mark G., 1968-, and Oregon State University. Forest Research Laboratory
Abstract:: Oregon State University researchers conducted a survey in 1994 of non-industrial private forest (NIPF) landowners in western Oregon and western Washington. Private forests provide valuable ecological services, such as fish and wildlife habitat, and are also partially filling the gap created by recent reductions in federal timber harvest in the...
Resource Type:: Technical Report
Full Text:: Rickenbach Recycled Paper The Forest Research Laboratory of Oregon State University was established by

Predicting height for undamaged and damaged trees in southwest Oregon

Creator:: Hanus, Mark L., Hann, David W., and Marshall, David D.
Abstract:: Equations for predicting tree height as a function of diameter outside bark at breast height are presented for various tree species common to southwest Oregon. Data for damaged and undamaged trees were analyzed with weighted nonlinear regression techniques. The effects of specific damaging agents and their severity on the height-diameter...
Resource Type:: Technical Report
Full Text:: University College of Forestry Research Contribution 27 September 1999 PREDICTING HEIGHT FOR UNDAMAGED AND

Maximizing efficiency of forest herbicides in the Sierra Nevada and Oregon : research background and user guide

Creator:: Fredrickson, Edward and Newton, Michael, 1932-
Abstract:: This paper comprises two major sections. In the first, tests of the influence of several application factors on efficiency of silvicultural herbicides are described for evergreen shrub, deciduous shrub, and herbaceous forest vegetation in Oregon and California. The second presents decision trees illustrating how to use the experimental results and...
Resource Type:: Technical Report
Full Text:: BACKGROUND AND USER- GUIDE College of Forestry Forest Research Laboratory Oregon State University Edward

Service life of treated and untreated fence posts : 1996 post farm report

Creator:: Morrell, Jeffrey J., Miller, Donald James, Schneider, Philip F., and Oregon State University. Forest Research Laboratory
Abstract:: Untreated and preservative-treated fence posts were exposed in soil at a test site near Corvallis, OR. Several species, including western juniper and Osage-orange, showed exceptional natural durability. Preservative treatment generally extended the useful life of the posts, but the degree of protection varied with the chemical and the application method.
Resource Type:: Technical Report
Full Text:: College of Forestry Research Contribution 26 August 1999 SERVICE LIFE OF TREATED AND UNTREATED FENCE

Height-diameter equations for six species in the coastal regions of the Pacific Northwest

Creator:: Hanus, Mark L., Marshall, David D., and Hann, David W.
Abstract:: Three equations for predicting tree height as a function of diameter (outside bark) at breast height are presented for six species found in coastal regions of the Pacific Northwest. Foresters can use these “height–diameter” equations to avoid the time-consuming task of measuring heights of all individual trees in an inventory,...
Resource Type:: Technical Report
Full Text:: Forest Research Laboratory publications are available from: Forestry Publications Office College of

Silviculture practices for riparian forests in the Oregon Coast Range

Creator:: Emmingham, William H., Chan, Samuel S., Mikowski, Dan, Owston, Peyton W., Bishaw, Badege, and Oregon State University. Forest Research Laboratory
Abstract:: This publication is aimed at watershed councils, government agencies, and specialists (foresters, wildlife and fisheries biologists) interested in riparian area silviculture or watershed restoration. It contains information on the ecology of riparian forests and a checklist of recommended practices and common mistakes made in restoring conifers to hardwood-dominated riparian forests....
Resource Type:: Technical Report
Full Text:: Copies of this and other Forest Research Laboratory publications are available from: Forestry

Statistical comparison of methods used in harvesting work studies

Creator:: Olsen, Eldon D., Hossain, Mohammad M., Miller, Mark E., and Oregon State University. Forest Research Laboratory
Abstract:: Work-study guidelines were developed using field data from thinning sites in the Oregon Cascade Range. Regression of detailed time study and shift-level data predicted harvesting production rates. Statistical analysis showed the relative difference in the discriminating power between shift-level studies versus detailed time studies. Indicator variables tested if there were...
Resource Type:: Technical Report
Full Text:: University College of Forestry Research Contribution 23 December 1998 STATISTICAL COMPARISON OF METHODS

Natural durability of wood : a worldwide checklist of species

Creator:: Scheffer, T. C., Morrell, Jeffrey J., and Oregon State University. Forest Research Laboratory
Abstract:: Naturally durable woods have a variety of commercial uses. Natural resistance to decay has been evaluated in field and laboratory tests of wood from many species, but there are few places where commercial wood users can find comparative assessments of natural durability. In this report, previous studies have been used...
Resource Type:: Technical Report
Full Text:: Forest Research Laboratory Oregon State University College of

Skyline thinning production and costs : experience from the Willamette Young Stand Project

Creator:: Kellogg, L. D. (Loren D.), Miller, Mark E., Olsen, Eldon D., and Oregon State University. Forest Research Laboratory
Abstract:: Production rates and costs for skyline harvesting were examined over a range of residual thinning intensities, operational methods, and sites. The sites included three stands of 40- to 50-yr-old Douglas-fir on the Willamette National Forest in the Cascade Mountains of Oregon. Three silvicultural treatments were studied at two sites, and...
Resource Type:: Technical Report
Full Text:: Copies Copies of this and other Forest Research Laboratory publications are available from: Forestry

Logging planning and layout costs for thinning : experience from the Willamette Young Stand Project

Creator:: Kellogg, L. D. (Loren D.), Milota, Ginger, Stringham, Bennett, and Oregon State University. Forest Research Laboratory
Abstract:: Logging planning and layout costs were examined for commercial thinning of 40- to 50-yr-old stands of Douglas-fir on the Willamette National Forest in the Cascade Mountains of Oregon. The study consisted of four replications of three silvicultural treatments. Thinning involved three types of logging systems: mechanized cut-to-length (a combination of...
Resource Type:: Technical Report
Full Text:: Forest Research Laboratory Oregon State University College of

Extending southwest Oregon's Douglas-fir dominant height growth equation to older ages

Creator:: Hann, David W. and Oregon State University. Forest Research Laboratory
Abstract:: Hann and Scrivani (1987) developed dominant height growth equations for Douglas- fir in southwest Oregon using stem analysis data sets with an upper age of approximately 125 years at breast height. The objective of this study was to determine whether these equations could be extrapolated for ages of 250 years...
Resource Type:: Technical Report
Full Text:: Forest Research Laboratory Oregon State University College of

Equations for predicting the largest crown width of stand-grown trees in western Oregon

Creator:: Hann, David W. and Oregon State University. Forest Research Laboratory
Abstract:: Largest crown width (LCW) equations for stand-grown trees were developed for 14 tree species found in western Oregon. The equations are used in the growth-and-yield model ORGANON and in the stand-visualization program VIZ4ST. They were constructed such that LCW equals the maximum crown width of open-grown trees when the crown...
Resource Type:: Technical Report
Full Text:: Forest Research Laboratory Oregon State University College of

Optimal bucking : two trials with commercial OSU BUCK software

Creator:: Olsen, Eldon D., Stringham, Bennett, Pilkerton, Stephen J., and Oregon State University. Forest Research Laboratory
Abstract:: Trials to achieve optimal bucking were made with updated OSU-BUCK software in an eastern and a western Oregon location during the summers of 1993 and 1994. The commercial version of the software allows tagging of each log with bar-code identification numbers and therefore provides tracking from stump to customer. Data...
Resource Type:: Technical Report
Full Text:: Copies Copies of this and other Forest Research Laboratory publications are available from: Forestry

Regenerating coastal forests in Oregon : an annotated bibliography of selected ecological literature

Creator:: Loucks, Donna M., Knowe, Steven A. (Steven Alan), 1954-, Shainsky, Lauri J., Pancheco, Alex A., and Oregon State University. Forest Research Laboratory
Abstract:: 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 subject, and are arranged into 4 major sections. Topics include the effects of biotic factors, abiotic factors, and stand and...
Resource Type:: Technical Report
Full Text:: College of Forestry Research Contribution 14 October 1996

Survival and growth of Douglas-fir seed sources in the Hospital Tract rangewide source archive plantation

Creator:: Gamble, William E., Adams, W. T., Tappeiner, J. C. (John C.), and Oregon State University. Forest Research Laboratory
Abstract:: "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, Canada, and Mexico. From 1957 to 1971, 639 of these collections were planted in the Hospital Tract Rangewide Source Archive...
Resource Type:: Technical Report
Full Text:: Forest Research Laboratory Oregon State University College of

Asymptotic height-diameter equations for twenty-four tree species in western Oregon

Creator:: Garman, Steven L. (Steven Lee), 1955-, Acker, Steven A., Ohmann, Janet L., Spies, Thomas A. (Thomas Allen), and Oregon State University. Forest Research Laboratory
Abstract:: Equations for predicting height from diameter outside bark at breast height (DBH) were generated for 24 tree species in western Oregon. The equations were based on the asymptotic Chapman-Richards function. Because geographic location and site productivity may influence height-diameter relationships, height-diameter measures from 8727 plots were first grouped by site...
Resource Type:: Technical Report
Full Text:: University College of Forestry Research Contribution 10 ASYMPTOTIC HEIGHT-DIAMETER EQUA- TIONS FOR TWENTY

The reproductive ecology of broadleaved trees and shrubs

Creator:: Jensen, Edward C., Anderson, Debra J., and Oregon State University. Forest Research Laboratory
Abstract:: a. Overview -- b. Vine maple : Acer circinatum Pursh -- c. Red alder : Alnus rubra Bong. -- d. Tanoak : Lithocarpus densiflorus (Hook & Arn.) Rehd. -- e. Salmonberry : Rubus spectabilis Pursh -- f. Glossary -- g. Associated literature.
Resource Type:: Technical Report

Hardwoods of the Pacific Northwest

Creator:: Niemiec, Stanley S. and Oregon State University. Forest Research Laboratory
Abstract:: This publication brings together in one place information on the general characteristics, biology and management, harvesting and utilization, wood characteristics, and related literature of Pacific Northwest hardwoods. Species included are bigleaf maple, black cottonwood, California black oak, California-laurel, giant chinkapin, Oregon ash, Oregon white oak, Pacific madrone, red alder, and...
Resource Type:: Technical Report
Full Text:: College of Forestry Research Contribution 8 March 1995 HARDWOODS OF THE PACIFIC NORTHWEST by Stanley S

A key to the literature presenting site-index and dominant-height-growth curves and equations for species in the Pacific Northwest and California

Creator:: Hann, David W. and Oregon State University. Forest Research Laboratory
Abstract:: Summaries from 49 published articles on site-index and dominant-height growth curves and equations are presented for 20 tree species or species groups found in California, Oregon, Washington, British Columbia, southeastern Alaska, Idaho, and western Montana. The summaries are organized by species. Each summary describes the modeling approach, type of curves/equations,...
Resource Type:: Technical Report
Full Text:: Forest Research Laboratory Oregon State University College of

A key to the literature presenting tree volume and taper equations for species in the Pacific Northwest and California

Creator:: Hann, David W. and Oregon State University. Forest Research Laboratory
Abstract:: Summaries from 49 published articles on tree volume and taper equations are presented for 39 tree species found in California, Oregon, Washington, British Columbia, southeast Alaska, Idaho, and western Montana. The summaries are organized by species and then by type of equation (volume or taper). Each summary describes the types...
Resource Type:: Technical Report
Full Text:: Forest Research Laboratory Oregon State University College of

Key issues and future directions of mechanized harvesting : discussions and guidance from working groups

Creator:: Bettinger, Pete, 1962-, Kellogg, L. D. (Loren D.), Oregon State University. Forest Research Laboratory, and Olsen, Eldon D.
Abstract:: Recognition of the problems and opportunities in mechanized harvesting should help in development of solutions and maximum realization of its potential. This paper presents feedback from five working groups, the members of which were involved in mechanized harvesting issues with various organizations in the Pacific Northwest. The groups identified needs...
Resource Type:: Technical Report
Full Text:: Forest Research Laboratory Oregon State University College of

Diameter growth equations for Douglas-fir and grand fir in the western Willamette Valley of Oregon

Creator:: Zumrawi, Abdel Azim, Hann, David W., and Oregon State University. Forest Research Laboratory
Abstract:: Equations for predicting diameter growth are an essential component of single-tree growth and yield models (Munro 1974). Diameter growth predictions are used to characterize individual-tree development and to project the growth of stand basal area and volume. Both diameter growth and basal area growth have been used as the dependent...
Resource Type:: Technical Report
Full Text:: Forest Research Laboratory Oregon State University College of

Density management guide for red alder

Creator:: Puettmann, Klaus J., DeBell, Dean S., Hibbs, David E., and Oregon State University. Forest Research Laboratory
Abstract:: Our diagram is intended to provide general guidance in density management of red alder. The management zone defines a reasonable compromise between individual-tree and stand growth and mortality. Factors considered in its formation include desired tree size at harvest, growth rate, and yield per acre. Social and legal constraints, as...
Resource Type:: Technical Report
Full Text:: Forest Research Laboratory Oregon State University College of

Terminology of ground-based mechanized logging in the Pacific Northwest

Creator:: Kellogg, L. D. (Loren D.), Bettinger, Pete, 1962-, Studier, Donald D., and Oregon State University. Forest Research Laboratory
Abstract:: "The purpose of this publication is to compile a standardized set of terminology for mechanized logging machinery and logging methods for the Pacific Northwest. While other organizations have produced similar works with either a wider or narrower focus (Dean and Evans 1978, Mifflin and Lysons 1979, Ford-Robertson 1983, Granvik et...
Resource Type:: Technical Report
Full Text:: Don Studier College of Forestry Research Contribution 1 February 1993 Shear Felling Head � (SAE

Search Constraints

Search Results

Limit your search