Index Catalog // ScholarsArchive@OSU

A study of the timber resources of the Amazon Valley, and the economical and physical problems which will affect logging operations

Creator:: Turner, Marshall
Resource Type:: Undergraduate Thesis
Full Text:: the economical and physical problems which will affect logging operations A STUDY OF THE TBBER

Cruising and mapping, to put a large holding under sustained yield, as performed by a consultant forestry firm

Creator:: Norman, Robert H.
Resource Type:: Undergraduate Thesis
Full Text:: sustained yield, so as to insure a continued supply of timber, Many logging companies, even the larger

Use of tethered prey for estimating the impact of the invasive European green crab

Creator:: Hauck, Laura L.
Abstract:: Various mollusks, including small bivalves and gastropod snails, are a common food source for intertidal crabs. Prey opening techniques used on hard-shell prey are dependent on claw size and morphology. For example, large, strong claws can crush a snail outright while smaller, weaker claws leave characteristic peels, pulls and upper...
Resource Type:: Undergraduate Thesis
Full Text:: European green crab and five common native Pacific Northwest crab species on three size classes of the

Impact of lignin on efficiency of small-scale enzymatic hydrolysis of lignocellulosic biomass

Creator:: Potapchuk, Angelica
Abstract:: Energy production and consumption is a major environmental and economic concern in the world today. Biofuel produced from lignocellulosic biomass is being explored as an alternative energy source to petroleum. Lignocellulosic biomass is comprised of cellulose, hemicellulose, and lignin. To produce biofuels, lignocellulosic biomass must be broken down to expose...
Resource Type:: Presentation and Undergraduate Thesis
Full Text:: different compositions of lignin affects efficiency of enzymatic hydrolysis. Lignin was extracted from

The effect of alternating current on the resistance and reactance of iron and steel wires

Creator:: Eckley, Winfield
Abstract:: During the past year the rapid increase in the cost of copper and aluminum has led operating companies to investigate the feasibility of using iron and steel conductors for transmission and distribution purposes where small blocks of power are to be served. This Thesis gives the results of tests on...
Resource Type:: Undergraduate Thesis
Full Text:: carefully spaced. '.l1he same kind and size of wlre was usnd far the return conducto1• making it posai ble

Carbon isotopes show snowpack acts as a valuable moisture subsidy to mountain forests in the Oregon Cascades

Creator:: Ratcliff, Christopher J.
Abstract:: This study examines climatological influences, particularly that of snowpack, on tree growth and stable carbon isotope discrimination (Δ¹³C) from ~1980 to 2013 at two sites located in the upper reaches of the McKenzie River watershed of the Oregon Cascade Mountains. We tested the use of Δ¹³C values from latewood, corroborated...
Resource Type:: Undergraduate Thesis
Full Text:: , with a segment size of 30 years and overlap of 15 years (Holmes, 1983; Grissino-Mayer, H.D., 2001

Artificial reforestation in the ten forest regions of the United States and Alaska

Creator:: Harrington, George
Resource Type:: Undergraduate Thesis
Full Text:: develocient of a planting technique which affects the suc- ceesful restocking or ovei' 8O of the areas nov

A pruning study of the upper Rogue River Valley, Oregon

Creator:: Corthell, Richard E.
Resource Type:: Undergraduate Thesis
Full Text:: . . . . . . . . 114 Crop Treo Selection . . . . . . . . . . . . . . . . 114 Spacing of Crop Trees

Turpentining practices in the United States

Creator:: Robson, William L.
Resource Type:: Undergraduate Thesis
Full Text:: appears to have a very marked affect on gum yield. This rate is best expressed in the last inch of

Natural reproduction of Douglas fir

Creator:: Brogan, Philip D.
Resource Type:: Undergraduate Thesis
Full Text:: inexhaustible, is giving way to planned forest management and the concept of sus- tained yield. The old

ScholarsArchive@OSU

A study of the timber resources of the Amazon Valley, and the economical and physical problems which will affect logging operations

Cruising and mapping, to put a large holding under sustained yield, as performed by a consultant forestry firm

Use of tethered prey for estimating the impact of the invasive European green crab

Impact of lignin on efficiency of small-scale enzymatic hydrolysis of lignocellulosic biomass

The effect of alternating current on the resistance and reactance of iron and steel wires

Carbon isotopes show snowpack acts as a valuable moisture subsidy to mountain forests in the Oregon Cascades

Artificial reforestation in the ten forest regions of the United States and Alaska

A pruning study of the upper Rogue River Valley, Oregon

Turpentining practices in the United States

Natural reproduction of Douglas fir

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