Index Catalog // ScholarsArchive@OSU

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

A preliminary report on tree planting as a gorse control measure

Creator:: Lavender, Denis P.
Resource Type:: Technical Report
Full Text:: II k II MARITIMEks II II P I N E\\ L=, II 1949 II`i IITIMBER TIMBER II I CHEMICAL PLOTS CHEMICAL

Species, diversity, and density affect tree seedling mortality from Armillaria root rot

Creator:: Gerlach, J. P., Reich, P. B., Puettmann, Klaus J., and Baker, T.
Abstract:: Mortality from Armillaria root rot is a major concern of forest management. Field experiments were conducted in Minnesota to evaluate interspecific differential susceptibility and to assess whether density or species composition, specifically the proportion of conifers in a plot, influences seedling mortality from Armillaria spp. Seedlings of 10 tree species...
Resource Type:: Article
Full Text:: susceptibility (p < 0.0001); balsam fir (Abies balsamea(L.) Mill.), tamarack (Larix laricina (Du Roi) K. Koch

Contributions of ectomycorrhizal fungal mats to forest soil respiration

Creator:: Phillips, C. L., Kluber, L. A., Martin, J. P., Caldwell, B. A., and Bond, B. J.
Abstract:: Distinct aggregations of fungal hyphae and rhizomorphs, or "mats", formed by some genera of ectomycorrhizal (EcM) fungi are common features of soils in coniferous forests of the Pacific Northwest. We measured in situ respiration rates of Piloderma mats and neighboring non-mat soils in an old-growth Douglas-fir forest in western Oregon...
Resource Type:: Article
Full Text:: Contributions of ectomycorrhizal fungal mats to forest soil respiration C. L. Phillips1,4, L. A. Kluber2,3, J

Wind-shelters as safe sites for establishment of Lupinus arboreus, a coastal species

Creator:: Gartner, Barbara L.
Abstract:: 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 February 1992, the sand dune perennial Lupinus arboreus Sims. was planted in wind-exposed and...
Resource Type:: Article

Patterns of xylem variation within a tree and their hydraulic and mechanical consequences

Creator:: Gartner, Barbara L.
Abstract:: Xylem is nonuniform in its structure and function throughout the plant stem. Xylem structure varies from pith to bark, from root to apical meristem, from stem to branch, at nodes vs internodes, and at junctions of branches, stems or roots compared to the internodal regions nearby. At smaller scales, anatomy...
Resource Type:: Part of Book
Full Text:: 124 John S. Sperry Tyree, M. T., Cochard, H., Cruziat, P

A technique for the solution of the catenary problem in surveying

Creator:: Wilson, Robert L., Dykstra, Dennis P., Sessions, John, and Oregon State University. Forest Research Laboratory
Abstract:: A technique for solving efficiently the catenary problem encountered in surveying with tapes is presented. The theory of the catenary solution is outlined, and our technique is shown to solve correctly the catenary for all conditions. Analysis of error that compared the catenary correction to the more commonly used parabolic...
Resource Type:: Technical Report
Full Text:: Technique for the Solution of the Catenary Problem in Surveying Robert L. Wilson Dennis P. Dykstra John

Seeding dates and Douglas fir germination

Creator:: Lavender, Denis P. and Oregon Forest Lands Research Center
Resource Type:: Technical Report
Full Text:: _.,; i a y.r _r ti alb _ __ , _, 1 }/ r by . - '` ;,' Denis P. Lavender, - :A L - - ' r i N I

Effect of ground cover on seedling germination and survival

Creator:: Lavender, Denis P. and Oregon Forest Lands Research Center
Resource Type:: Technical Report
Full Text:: IORICULTU E ROOM Effect of Ground Cover on Denis P

Viability of Douglas fir seed after storage in the cones

Creator:: Lavender, Denis P. and Oregon Forest Lands Research Center
Resource Type:: Technical Report
Full Text:: 9 V* S z _ ,, .` eon I L Q, a- a... Research Note No. 31 by Denis P. Lavender A I IN !1 u

ScholarsArchive@OSU

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

A preliminary report on tree planting as a gorse control measure

Species, diversity, and density affect tree seedling mortality from Armillaria root rot

Contributions of ectomycorrhizal fungal mats to forest soil respiration

Wind-shelters as safe sites for establishment of Lupinus arboreus, a coastal species

Patterns of xylem variation within a tree and their hydraulic and mechanical consequences

A technique for the solution of the catenary problem in surveying

Seeding dates and Douglas fir germination

Effect of ground cover on seedling germination and survival

Viability of Douglas fir seed after storage in the cones

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