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Harvest scheduling and economic effects of old-growth forest preservation in northwest Oregon

Creator:: Hunt, Mary C.
Abstract:: Old-growth forests provide an important resource in terms of both timber and non-timber values. Northwest Oregon represents an area where this resource is scarce and options for preserving old-growth habitat are limited. This study identifies the old-growth resource on public lands within the area, suggests a range of preservation alternatives...
Resource Type:: Masters Thesis

Determining the cost of old-growth set-asides on the OSU college forest

Creator:: Birch, Kevin R.
Abstract:: The objectives for the use of the Oregon State University college forest include providing both facilities for research and teaching, and providing funding through timber harvest. The older age-classes of the forest are valuable for attaining both objectives. The opportunities and costs of removing acreage in the older age classes...
Resource Type:: Masters Thesis

Multispan logging of old-growth timber in southwest Oregon

Creator:: Lysne, David Holtan, Armitage, Stephen E., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: LOGGING OF OLD-GROWTH TIMBER IN SOUTHWEST OREGON DAVID H. LYSNE STEPHEN E. ARMITAGE ABSTRACT Multispan

Age structure and spatial pattern of old-growth ponderosa pine in Pringle Falls Experimental Forest, central Oregon

Creator:: Morrow, Robert J.
Abstract:: The dynamics of stands In old-growth ponderosa pine (Pinus ponderosa) forests on the eastern flank of the central Oregon Cascades are Investigated. Age structure and spatial pattern of ponderosa pine within the Pringle Falls Experimental Forest Research Natural Area coupled with the fire history of the area aid In Interpreting...
Resource Type:: Masters Thesis

The fate of organic and inorganic nitrogen inputs in an old-growth forest of the central Oregon Cascade Range

Creator:: Holub, Scott M.
Abstract:: Forests in the Pacific Northwest receive very little nitrogen through atmospheric deposition and thus studying the nitrogen cycle in this region can provide insights into how the unpolluted nitrogen cycle functions. I examined the fate of organic nitrogen versus inorganic nitrogen and the effect of tamlins on N retention by...
Resource Type:: Dissertation
Full Text:: Organic and Inorganic Nitrogen Inputs in an Old-growth Forest of the Central Oregon Cascade Range

Ecology of forest floor bryophytes in Pseudotsuga menziesii-Tsuga heterophylla stands of western Oregon : implications for forest management

Creator:: Rambo, Thomas Roy
Abstract:: Species richness and abundance of forest floor bryophytes, including epiphytes from incorporated litterfall, were assessed at two sites in western Oregon. Bryophyte diversity, abundance, and community composition were compared between sites, and between young forest stands ([approximately] 55 yrs.) and old-growth stands (400+ yrs.) within each site. Relationships of stand...
Resource Type:: Masters Thesis

Land cover at northern spotted owl nest and non-nest sites, east-central Coast Ranges, Oregon

Creator:: Perkins, John P.
Abstract:: This study examined the differences, at various scales, between northern spotted owl (Strix occidentalis caurina) nest sites and non-nest sites, i.e., sites where no nests were found during surveys, in the Coast Ranges of Oregon. I compared land cover around 41 owl nest sites (ONS) and 41 non-nest sites (NNS)...
Resource Type:: Masters Thesis
Full Text:: - Mature forest ( or percentage ot) OR - Old-remnant forest (or percentage ot) OG - Old-growth forest

Structure and development of old-growth Douglas-fir in central western Oregon

Creator:: Poage, Nathan Jeremy
Abstract:: The tree species and size structure of 9l old-growth forests dominated by Douglas-fir in central western Oregon was characterized using complete inventories of all trees larger than 20cm dbh over a mean area of 17.1ha at each site. Douglas-fir accounted for over 75% of the total average basal area (39.1...
Resource Type:: Dissertation

Factors determining species composition of post-disturbance vegetation following logging and burning of an old growth Douglas-fir forest

Creator:: Clark, Deborah Louise, 1950-
Resource Type:: Masters Thesis
Full Text:: old growth Douglas-fir forest at 800 m elevation located in the western Cascades of Oregon

Landscape composition around northern spotted owl nests, central Cascade Mountains, Oregon

Creator:: Swindle, Keith A.
Abstract:: This study describes the composition of forest landscapes surrounding northern spotted owl (Strix occidentalis caurina) nests in the central Cascade Mountains of Oregon. I compared forest composition around 126 owl nests in 70 pair territories with forest composition around 119 points drawn randomly from all terrestrial cover-types, and around 104...
Resource Type:: Masters Thesis
Full Text:: , Oregon 12 LIST OF APPENDIX FIGURES Appendix Figure agg A-1 Old-forest in 200 concentric circle

ScholarsArchive@OSU

Harvest scheduling and economic effects of old-growth forest preservation in northwest Oregon

Determining the cost of old-growth set-asides on the OSU college forest

Multispan logging of old-growth timber in southwest Oregon

Age structure and spatial pattern of old-growth ponderosa pine in Pringle Falls Experimental Forest, central Oregon

The fate of organic and inorganic nitrogen inputs in an old-growth forest of the central Oregon Cascade Range

Ecology of forest floor bryophytes in Pseudotsuga menziesii-Tsuga heterophylla stands of western Oregon : implications for forest management

Land cover at northern spotted owl nest and non-nest sites, east-central Coast Ranges, Oregon

Structure and development of old-growth Douglas-fir in central western Oregon

Factors determining species composition of post-disturbance vegetation following logging and burning of an old growth Douglas-fir forest

Landscape composition around northern spotted owl nests, central Cascade Mountains, Oregon

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