Index Catalog // ScholarsArchive@OSU

Observations and assessment of forest carbon dynamics following disturbance in North America

Creator:: Goetz, S. J., Bond-Lamberty, B., Law, B. E., Hicke, J. A., Huang, C., Houghton, R. A., McNulty, S., O'Halloran, T., Harmon, M., Meddens, A. J. H., Pfeifer, E. M., Mildrexler, D., and Kasischke, E. S.
Abstract:: Disturbance processes of various types substantially modify ecosystem carbon dynamics both temporally and spatially, and constitute a fundamental part of larger landscape-level dynamics. Forests typically lose carbon for several years to several decades following severe disturbance, but our understanding of the duration and dynamics of post-disturbance forest carbon fluxes remains...
Resource Type:: Article
Full Text:: North America S. J. Goetz,1 B. Bond-Lamberty,2 B. E. Law,3 J. A. Hicke,4 C. Huang,5 R. A. Houghton,1 S

Rootstock effects on scion growth and reproduction in 8-year-old grafted loblolly pine

Creator:: Jayawickrama, K. J. S., McKeand, S. E., and Jett, J. B.
Abstract:: Contributions of sites, rootstocks, and scion clones (and the nteractions between these factors) to scion growth and reproduction were studied in loblolly pine (Pinus taeda L.). Twenty-five full-sib families were used as rootstocks. Six scion clones were grafted on them in all combinations. Study sites were three seed orchards in...
Resource Type:: Article
Full Text:: 2 0. 48 0. 74 0. 85 0. 73 0. 83 0. 77 N o te :V al ue s gi ve n ar e m ea n sq ua re

Date of earlywood-latewood transition in provenances and families of loblolly pine, and its relationship to growth phenology and juvenile wood specific gravity

Creator:: Jayawickrama, K. J. S., McKeand, S. E., Jett, J. B., and Wheeler, E. A.
Abstract:: When grown together in plantations, fast-growing southern and coastal sources of loblolly pine (Pinus taeda L.)often have lower wood specific gravity than northern and inland sources. This study investigated whether this phenomenon could be explained by a later transition to latewood, associated with a longer period of height growth, of...
Resource Type:: Article
Full Text:: flush of the trees second growing season (1990). In 1993, band readings were taken at the same Fig. 1

Wolf, Elk, and Aspen Food Web Relationships: Context and Complexity

Creator:: Eisenberg, Cristina, Seager, S. Trent, and Hibbs, David E.
Abstract:: Like most ecological communities, aspen (Populus tremuloides) forests are influenced by a synergy of bottom-up (resources-driven) and top-down (predator-driven) processes. Since the 1920s, ecologists have observed the decline of many aspen communities throughout the Intermountain West. The extent and possible drivers of this decline are topics of much recent scientific...
Resource Type:: Article
Full Text:: , Corvallis, Oregon, USA Ph: (406)270-5153 e-mail: cristina.eisenberg@oregonstate.edu S Trent Seager

N₂-Fixing Red Alder Indirectly Accelerates Ecosystem Nitrogen Cycling

Creator:: Perakis, Steven S., Matkins, Joselin J., and Hibbs, David E.
Abstract:: Symbiotic N₂-fixing tree species can accelerate ecosystem N dynamics through decomposition feedbacks via both direct and indirect pathways. Direct pathways include the production of readily decomposed leaf litter and increased N supply to decomposers, whereas indirect pathways include increased tissue N and altered detrital dynamics of non-fixing vegetation. To evaluate...
Resource Type:: Article

Fire exclusion effects on riparian forest dynamics in southwestern Oregon

Creator:: Messier, Michael S., Shatford, Jeff P.A., and Hibbs, David E.
Abstract:: Euro-American settlement and organized fire suppression have been associated with structural and compositional changes in many upland forests of the western United States, but little is known about the impacts on riparian forests, portions of the landscape protected for habitat and water quality. In this study, we used dendro-ecological methods...
Resource Type:: Article
Full Text:: Dynamics in Southwestern Oregon 1 Michael S. Messier, Jeff P.A. Shatford, and David E. Hibbs 2

Modeling the incidence and severity of hemlock dwarf mistletoe in 110-year-old wind-disturbed forests in Southeast Alaska

Creator:: Trummer, L. M., Hennon, P. E., Hansen, E. M., and Muir, P. S.
Abstract:: A model was developed to predict the severity of dwarf mistletoe (Arceuthobium tsugense (Rosendahl) G.N. Jones) in western hemlock trees (Tsuga heterophylla (Raf.) Sarg.) that developed within forests of Southeast Alaska that experienced near-catastrophic windthrow in the late 1800s. The model suggests that the degree of dwarf mistletoe severity on...
Resource Type:: Article
Full Text:: rg e a n d sm a ll re si d u a l tr e e s/ h a N o . o f p o st -d is tu rb a n ce

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:: RC 44 cov.indd M a r c h 2 0 0 4 R e s e a r c h C o n t r i

Effect of incising and preservative treatment on shear strength of nominal 2-inch lumber

Creator:: Morrell, Jeffrey J., Gupta, Rakesh, Winandy, Jerrold E., and Riyanto, Djoko S.
Abstract:: This study evaluated the effects of pretreatment incising of dry lumber and preservative treatment on the shear strength of 1980 pieces of 2 X 4 dimension lumber (nominal 50 mm X 100 mm X 3.6 m long). Three species groups (Douglas-fir, Hem-Fir. and Spruce-Pine-Fir-South) and two commercially produced machine-stress-rated grades...
Resource Type:: Article
Full Text:: srrrngth Specier gmvp (mmj sionrim?~ i r e r r m e n r ~ c r f s grvlry (MPII ati id p u ~ t y (MPI) R

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:: . Puettmann Dean S. DeBell David E. Hibbs The Forest Research Laboratory of Oregon State University was

ScholarsArchive@OSU

Observations and assessment of forest carbon dynamics following disturbance in North America

Rootstock effects on scion growth and reproduction in 8-year-old grafted loblolly pine

Date of earlywood-latewood transition in provenances and families of loblolly pine, and its relationship to growth phenology and juvenile wood specific gravity

Wolf, Elk, and Aspen Food Web Relationships: Context and Complexity

N₂-Fixing Red Alder Indirectly Accelerates Ecosystem Nitrogen Cycling

Fire exclusion effects on riparian forest dynamics in southwestern Oregon

Modeling the incidence and severity of hemlock dwarf mistletoe in 110-year-old wind-disturbed forests in Southeast Alaska

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

Effect of incising and preservative treatment on shear strength of nominal 2-inch lumber

Density management guide for red alder

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