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Creator:: Gartner, Barbara L., Morrell, Jeffrey J., Freitag, Camille M., and Spicer, Rachel
Abstract:: Heartwood durability of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco var. menziesii) was studied as a function of vertical and radial position in boles of trees with a wide range of leaf area/sapwood area ratios. Six 34- year-old trees were harvested from each of three plots established 14 years before: very dense,...
Resource Type:: Article
Full Text:: Douglas-fir trees from a young stand Barbara L. Gartner, Jeffrey J. Morrell, Camille M. Freitag, and

Creator:: Garcia, Carlos M. and Morrell, Jeffrey J.
Abstract:: Associations between the golden metallic beetle, Buprestis aurulenta L., and wood-destroying fungi were explored with adult beetles collected from log decks. A variety of fungi were isolated from the beetle bodies by four methods. A total of 863 isolations were made from 59 females and 21 males. There was no...
Resource Type:: Article
Full Text:: aurulentaL., and wood-destroying fungi were explored with adult beetles collected from log decks. A variety

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:: Developing a production possibility set of wildlife species

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,...
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Full Text:: stems grown at extremely different rates Jeffrey D. DeBell, Barbara L. Gartner, and Dean S. DeBell

Creator:: Maloney, Patricia E. and Rizzo, David M.
Abstract:: We determined the incidence of pathogens and insects across mixed-conifer stands in the Sierra San Pedro Martir (SSPM) of northern Baja, Mexico, to assess the role of pests in a pristine forest ecosystem. We also determined the spatial distribution of the two most common pests, mistletoe, Phoradendron pauciflorum Torrey, and...
Resource Type:: Article
Full Text:: for Jeffrey pine (Pinus jeffreyiGrev. & Balf. in A. Murray), white fir, and sugar pine (Pinus

Creator:: Klocko, Amy L., Meilan, Richard, James, Rosalind R., Viswanath, Venkatesh, Ma, Cathleen, Payne, Peggy, Miller, Lawrence, Skinner, Jeffrey S., Oppert, Brenda, Cardineau, Guy A., and Strauss, Steven H.
Abstract:: The stability and value of transgenic pest resistance for promoting tree growth are poorly understood. These data are essential for determining if such trees could be beneficial to commercial growers in the face of substantial regulatory and marketing costs. We investigated growth and insect resistance in hybrid poplar expressing the...
Resource Type:: Article

Creator:: Mainwaring, Douglas B. and Maguire, Douglas A. (Douglas Alan)
Abstract:: Basal area and height growth were analyzed for individual trees in uneven-aged ponderosa pine (Pinus ponderosa Dougl. ex Laws.) and lodgepole pine (Pinus contorta Dougl. ex. Loud.) stands in central Oregon. Basal area growth was modeled as a function of other stand and tree variables to address three general objectives:...
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Full Text:: B. Mainwaring and Douglas A. Maguire Abstract: Basal area and height growth were analyzed for

Creator:: Maguire, Douglas A., Brissette, John C., and Gu, Lianhong
Abstract:: Several hypotheses about the relationships among individual tree growth, tree leaf area, and relative tree size or position were tested with red spruce (Picea rubens Sarg.) growing in uneven-aged, mixed-species forests of south-central Maine, U.S.A. Based on data from 65 sample trees, predictive models were developed to (i) estimate the...
Resource Type:: Article
Full Text:: –2079. Greenwood, M.S., and Hutchinson, K.W. 1993. Maturation as a de- velopmental process.In Clonal

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:: .) Lindl.), red fir (Abies magnifica A. Murray), sugar pine (Pinus lambertiana Douglas), Jeffrey pine

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:: .) Lindl.), red fir (Abies magnifica A. Murray), sugar pine (Pinus lambertiana Douglas), Jeffrey pine

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