Index Catalog // ScholarsArchive@OSU

Evaluation of individual-tree and disaggregative prediction methods for Douglas-fir stands in western Oregon

Creator:: Ritchie, Martin W. and Hann, David W.
Abstract:: The efficiency of six disaggregative methods and two individual-tree methods was evaluated in terms of their ability to predict 5-year basal area increment for Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stands in western Oregon. Models were developed for predicting gross stand basal-area increment and individual-tree diameter increment. In addition, models were...
Resource Type:: Article
Full Text:: special case of [12], with φ0 = 0, φ2 = 0, and φ1 = 1. One problem with this generalization is that unlike

Fiber length in young hybrid Populus stems grown at extremely different rates

Creator:: DeBell, Jeffrey D., Gartner, Barbara L., and DeBell, Dean S.
Abstract:: Length of libriform fibers was measured in rings 2 7 at breast height in 7-year-old hybrid poplar stems from two clones (11-11, a Populus trichocarpa Torr. & Gray ´ P. deltoides Bartr. ex Marsh. hybrid; and D-01, of unknown taxonomic identity) grown in a controlled test of three spacings (0.5,...
Resource Type:: Article
Full Text:: report an increase in fiber length with rings from the pith in Populus (Kennedy 1957; Holt and Murphey

Effect of growth rate on the anatomy, specific gravity, and bending properties of wood from 7-year-old red alder (Alnus rubra)

Creator:: Lei, Hua, Gartner, Barbara L., and Milota, Michael R.
Abstract:: Understanding the association between growth rate and wood properties is of practical importance to maximizing and sustaining wood and fiber production. Anatomical characteristics, specific gravity, and bending properties were determined at breast height for thirty 7-year-old trees with varying growth rates, from a red alder (Alnus rubra Bong.) plantation. Wood...
Resource Type:: Article
Full Text:: /Value-Added Research and Demonstration Program and by a special grant from the U.S. Department of

A comparison of small-area estimation techniques to estimate selected stand attributes using LiDAR-derived auxiliary variables

Creator:: Goerndt, Michael E., Monleon, Vicente J., and Temesgen, Hailemariam
Abstract:: One of the challenges often faced in forestry is the estimation of forest attributes for smaller areas of interest within a larger population. Small-area estimation (SAE) is a set of techniques well suited to estimation of forest attributes for small areas in which the existing sample size is small and...
Resource Type:: Article
Full Text:: - dictions (EBLUP) of the attributes of interest. As a special form of composite prediction, EBLUP depends

Short-term effects of fire and forest thinning on truffle abundance and consumption by Neotamias speciosus in the Sierra Nevada

Creator:: Meyer, Marc D., North, Malcolm P., and Kelt, Douglas A.
Abstract:: In many western North American forests, prescribed burning and mechanical thinning are widely used to reduce fuels and restore stand conditions after a century of fire suppression. Few studies have followed the relative impacts of these treatments on the production and consumption of truffles in forest ecosystems, particularly in the...
Resource Type:: Article
Full Text:: of north temper- ate forests with special reference to animal mycophagy. Mad River Press, Eureka

Wood density of young-growth western hemlock: relation to ring age, radial growth, stand density, and site quality

Creator:: DeBell, Dean S., Singleton, Ryan, Gartner, Barbara L., and Marshall, David D.
Abstract:: Breast-high stem sections were sampled from 56 western hemlock (Tsuga heterophylla (Raf.) Sarg.) trees growing in 15 plots representing a wide range of tree and site conditions in northwestern Oregon. Growth and wood density traits of individual rings were measured via X-ray densitometry, and relationships of ring density and its...
Resource Type:: Article
Full Text:: didn’t show data for rings 1–5 and thus did not report any initial decline) and gradually increased to

Short-term effects of fire and forest thinning on truffle abundance and consumption by Neotamias speciosus in the Sierra Nevada of California

Creator:: Meyer, Marc D., North, Malcolm P., and Kelt, Douglas A.
Abstract:: In many western North American forests, prescribed burning and mechanical thinning are widely used to reduce fuels and restore stand conditions after a century of fire suppression. Few studies have followed the relative impacts of these treatments on the production and consumption of truffles in forest ecosystems, particularly in the...
Resource Type:: Article
Full Text:: of north temper- ate forests with special reference to animal mycophagy. Mad River Press, Eureka

Mapping and imputing potential productivity of Pacific Northwest forests using climate variables

Creator:: Latta, Gregory, Temesgen, Hailemariam, and Barrett, Tara M.
Abstract:: Regional estimation of potential forest productivity is important to diverse applications, including biofuels supply, carbon sequestration, and projections of forest growth. Using PRISM (Parameter-elevation Regressions on Independent Slopes Model) climate and productivity data measured on a grid of 3356 Forest Inventory and Analysis plots in Oregon and Washington, we evaluated...
Resource Type:: Article
Full Text:: climate model data, such as the Special Report on Emissions generated for the 4th Assessment Report of the

Developing a production possibility set of wildlife species persistence and timber harvest value

Creator:: Calkin, David E., Montgomery, Claire A., Schumaker, Nathan H., Polasky, Stephen, Arthur, Jeffrey L., and Nalle, Darek J.
Abstract:: An integrated model, combining spatial wildlife population and timber harvest and growth models, was developed to explore tradeoffs between the likelihood of persistence of a wildlife species, the northern flying squirrel (Glaucomys sabrinus), and timber production on a landscape on the west side of the Oregon Cascade Range. A simplified...
Resource Type:: Article
Full Text:: modeling is needed. Murray and Snyder (2000) stated in the introduction of a special issue of Forest

Nutrient stores and dynamics of woody detritus in a boreal forest: modeling potential implications at the stand level

Creator:: Krankina, Olga N., Harmon, Mark E., and Griazkin, Anatolii V.
Abstract:: Concentrations of 14 chemical elements (Al, B, C, Ca, Cu, Fe, K, N, Mg, Mn, Na, P, S, Zn) were measured in wood and bark of 126 sample trees representing different stages of decomposition in three major tree species of northwestern Russia: Scots pine (Pinus sylvestris L.), Norway spruce (Picea...
Resource Type:: Article
Full Text:: 1990; Harmon and Chen 1991; Means et al. 1992; Busse 1994; Torres 1994). These studies report varied dy

ScholarsArchive@OSU

Evaluation of individual-tree and disaggregative prediction methods for Douglas-fir stands in western Oregon

Fiber length in young hybrid Populus stems grown at extremely different rates

Effect of growth rate on the anatomy, specific gravity, and bending properties of wood from 7-year-old red alder (Alnus rubra)

A comparison of small-area estimation techniques to estimate selected stand attributes using LiDAR-derived auxiliary variables

Short-term effects of fire and forest thinning on truffle abundance and consumption by Neotamias speciosus in the Sierra Nevada

Wood density of young-growth western hemlock: relation to ring age, radial growth, stand density, and site quality

Short-term effects of fire and forest thinning on truffle abundance and consumption by Neotamias speciosus in the Sierra Nevada of California

Mapping and imputing potential productivity of Pacific Northwest forests using climate variables

Developing a production possibility set of wildlife species persistence and timber harvest value

Nutrient stores and dynamics of woody detritus in a boreal forest: modeling potential implications at the stand level

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