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Browsing Faculty Research Publications (College of Forestry & Oregon Forest Research Laboratory) by Title

Browsing Faculty Research Publications (College of Forestry & Oregon Forest Research Laboratory) by Title

Now showing items 356-368 of 368

Water sorption characteristics of two wood-plastic composites

Wang, Weihong; Morrell, J. J. (Forest Products Society, 2004-12)

Wood-plastic composites are generally presumed to be inherently more resistant to moisture uptake than solid wood, but there is little data on the relative rates of moisture uptake in these materials over time. Trex[R] a ...
Water transport properties of vine and tree stems in a tropical deciduous forest

Gartner, B. L.; Bullock, S. H.; Mooney, H. A.; Brown, V. B.; Whitbeck, J. L. (Botanical Society of America, 1990)

Excised stem segments of vines had higher specific hydraulic conductivies (flow rate per pressure gradient per stem transverse area) than did trees during the dry season in a deciduous forest in Jalisco, Mexico. Vine sp ...
Western redcedar extractives: is there a role for the silviculturist?

Taylor, A. M.; Gartner, B. L.; Morrell, J. J. (Forest Products Society, 2006)

Understanding how silvicultural treatments and changes in the forest resource will affect wood quality characteristics, including heartwood natural durability, is a critical need for forest managers. Because heartwood p ...
What eddy-covariance measurements tell us about prior land flux errors in CO₂-flux inversion schemes

Chevallier, Frederic; Wang, Tao; Ciais, Philippe; Maignan, Fabienne; Bocquet, Marc; Arain, M. Altaf; Cescatti, Alessandro; Chen, Jiquan; Dolman, A. Johannes; Law, Beverly E.; Margolis, Hank A.; Montagnani, Leonardo; Moors, Eddy J. (American Geophysical Union, 2012-03-10)

To guide the future development of CO₂-atmospheric inversion modeling systems, we analyzed the errors arising from prior information about terrestrial ecosystem fluxes. We compared the surface fluxes calculated by a proc ...
Widespread Mesopredator Effects After Wolf Extirpation

Ripple, William J.; Wirsing, Aaron J.; Wilmers, Christopher C.; Letnic, Mike (Elsevier, 2013-04)

Herein, we posit a link between the ecological extinction of wolves in the American West and the expansion in distribution, increased abundance, and inflated ecological influence of coyotes. We investigate the hypothes ...
Wind-shelters as safe sites for establishment of Lupinus arboreus, a coastal species

Gartner, B. L. (California Botanical Society, 1995)

To learn the effect of wind on a species native to a windy site, I compared germination, seedling survival, seedling form, and the force required to uproot seedlings in a wind-exposed and a wind-sheltered site. In Februa ...
Within-stem variation of respiration in Pseudotsuga menziesii (Douglas-fir) trees

Pruyn, M. L.; Gartner, B. L.; Harmon, M. E. (Wiley-Blackwell, 2002)

• A technique for measuring in vitro respiration was investigated to understand why rates were higher than those reported in vivo and to elucidate trends within mature Pseudotsuga menziesii (Douglas-fir) trees. ...
Wood density and fiber length in young populus stems: relation to clone, age, growth rate, and pruning

DeBell, D. S.; Singleton, R.; Harrington, C. A.; Gartner, B. L. (Society of Wood Science and Technology, 2002)

Cross-sectional disks were cut at two stem heights (1.5 m and 3.0 m) from 9-year-old trees of three Populus clones grown in an intensively-cultured plantation in western Washington. At age 1.5 years, when the trees avera ...
Wood density and hydraulic properties of ponderosa pine from the Willamette Valley vs. the Cascade Mountains

Bouffier, L. A.; Gartner, B. L.; Domec, J.-C. (Society of Wood Science and Technology, 2003)

The Willamette Valley (WV) race of ponderosa pine (Pinus ponderosa) is being widely planted for timber in the Willamette Valley, western Oregon, because it grows in habitats that are either too wet or too dry for Douglas ...
Wood density of Eucalyptus saligna grown in Hawaiian plantations: effects of silvicultural practices and relation to growth rate

DeBell, D. S.; Keyes, C. R.; Gartner, B. L. (Institute of Foresters of Australia, 2001)

We evaluated effects of chemical fertilizer, spacing, and interplanted nitrogen-fixing trees on wood density and diameter growth of 15-year-old Eucalyptus saligna trees. The trees were grown in silvicultural trials es ...
Wood density of young-growth western hemlock: relation to ring age, radial growth, stand density, and site quality

DeBell, D. S.; Singleton, R.; Gartner, B. L.; Marshall, D. D. (NRC Canada, 2004)

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 den ...
Work climate, innovativeness, and firm performance in the US forest sector: In search of a conceptual framework

Crespell, Pablo; Hansen, Eric (NRC Canada, 2008)

Innovativeness can help companies differentiate themselves, with the ultimate goal of securing survival and improving performance. Modern theories in organizational behavior look at innovation as something that starts wi ...
Xylem hydraulic safety margins in woody plants: coordination of stomatal control of xylem tension with hydraulic capacitance

Meinzer, F. C.; Johnson, D. M.; Lachenbruch, B.; McCulloh, K. A.; Woodruff, D. R. (Wiley-Blackwell, 2009)

1. The xylem pressure inducing 50% loss of hydraulic conductivity due to embolism (P50) is widely used for comparisons of xylem vulnerability among species and across aridity gradients. However, despite its utility as ...