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Biophysical controls on soil respiration in the dominant patch types of an old-growth, mixed-conifer forest

Creator:: Ma, Siyan, Chen, Jiquan, Butnor, John R., North, Malcolm, Euskirchen, Eugenie S., and Oakley, Brian
Abstract:: Little is known about biophysical controls on soil respiration in California’s Sierra Nevada oldgrowth, mixed-conifer forests. Using portable and automated soil respiration sampling units, we measured soil respiration rate (SRR) in three dominant patch types: closed canopy (CC), ceanothus-dominated patches (CECO), and open canopy (OC). SRR varied significantly among the...
Resource Type:: Article
Full Text:: Patch Types of an Old-Growth, Mixed-Conifer Forest Siyan Ma, Jiquan Chen, John R. Butnor, Malcolm North

Cutting priority in old growth stands of the Douglas-fir region

Creator:: Mason, Nicholas Victor
Resource Type:: Masters Thesis

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

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

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

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

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:: -disturbance vegetation following logging and burning of an old growth Douglas-fir forest AN ABSTRACT OF THE

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

Region 6 interim old growth definition for Douglas-fir series, grand fir/white fir series, interior Douglas fir series, Lodgepole pine series, Pacific silver fir series, Ponderosa pine series, Port-Orford-cedar and tanoak (redwood) series, subalpine fir series, Western hemlock series

Creator:: United States. Forest Service. Timber Management
Resource Type:: Technical Report

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

ScholarsArchive@OSU

Biophysical controls on soil respiration in the dominant patch types of an old-growth, mixed-conifer forest

Cutting priority in old growth stands of the Douglas-fir region

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

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

Multispan logging of old-growth timber in southwest Oregon

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

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

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

Region 6 interim old growth definition for Douglas-fir series, grand fir/white fir series, interior Douglas fir series, Lodgepole pine series, Pacific silver fir series, Ponderosa pine series, Port-Orford-cedar and tanoak (redwood) series, subalpine fir series, Western hemlock series

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

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