Index Catalog // ScholarsArchive@OSU

Carbon cycling and priming of soil organic matter decomposition in a forest soil following glucose additions

Creator:: Diaz, David D.
Abstract:: Soils are a globally significant carbon (C) pool and have the potential to respond to elevated CO2 and environmental changes through positive feedback cycles that enhance the turnover of soil organic matter (SOM). Understanding the mechanisms governing the turnover of SOM is particularly important for modeling the fate of C...
Resource Type:: Masters Thesis
Full Text:: May 1, 2008. Title: Carbon Cycling and Priming of Soil Organic Matter Decomposition in a Forest

Soil carbon and nitrogen in old-growth forests in western Oregon and Washington

Creator:: Remillard, Suzanne Marie
Abstract:: Soil organic carbon (SOC, kg C m-2) is an important component in evaluating global C stores. The nitrogen (TN, kg N m"2) cycle is closely linked to C and understanding its role is also important. Contents and distributions of SOC and TN in soil profiles, to 1-meter depth, were estimated...
Resource Type:: Masters Thesis
Full Text:: for the degree of Master of Science in Forest Science presented on April 30, 1999. Title: Soil Carbon

Post-harvest establishment influences ANPP, soil C and DOC export in complex mountainous terrain

Creator:: Peterson, Fox S.
Abstract:: The link between aboveground net primary productivity (ANPP) and resource gradients generated by complex terrain (solar radiation, nutrients, and moisture) has been established in the literature. Belowground ecosystem stocks and functions, such as soil organic carbon (SOC), dissolved organic carbon (DOC), and belowground productivity have also been related to the...
Resource Type:: Dissertation
Full Text:: developmentally, (2) forest soil carbon (both in aggregates and dissolved), and (3) forest soil nitrogen. In the

Carbon fluxes across three climatically-distinct forest chronosequences in Oregon

Creator:: Campbell, John
Abstract:: Biometric and gas exchange techniques were used to measure soil respiration (soil surface CO₂ efflux) and NEP (Net Ecosystem Production) across three climatically-distinct forest chronosequences in Oregon. Results indicate significant forest type, age, and forest type x age interaction effects on annual soil respiration. A regional age class distribution skewed...
Resource Type:: Dissertation

Dynamics of water-soluble carbon in forest soils of contrasting fertility

Creator:: Wagai, Rota
Abstract:: Most soil organic C is in a stable form, associated with clay minerals in the upper soil profile. Upon environmental and land-use changes, stable soil C is subject to losses, which influence the global C cycle and the productivity of terrestrial ecosystems. However, mechanisms controlling soil C destabilization are not...
Resource Type:: Masters Thesis

Quantifying C and N contents and isotope signatures of SOM pools in the H. J. Andrews DIRT plots

Creator:: Keirstead, Heath
Abstract:: The mechanisms governing short- and long-term belowground carbon dynamics need to be understood. As part of a larger project developed to assess the effect of quantity and quality of litter inputs on the rate of soil organic matter (SOM) formation, I examined SOM in the H. J. Andrews Detritus Input...
Resource Type:: Masters Thesis
Full Text:: years, depending on clay content of the soil. Depending on the source of information, labile carbon

Soluble carbon and respiration of forest humus

Creator:: Hu, Lily Jho-yuan
Abstract:: Humus is one of the important factors controlling the soil formation process. The nutrients released from it during the decomposition process also affect the growth and reproduction of the forest. The type of humus formed is influenced by the nature of the forest litter and the environment in which it...
Resource Type:: Masters Thesis
Full Text:: oxidation technique was used for the estimation of total soluble carbon content of forest floor materials

Effects of 20 years of litter and root manipulations on soil organic matter dynamics

Creator:: Wig, Jennifer D.
Abstract:: Globally, the forestry sector is the second largest contributor of greenhouse gases, and sustainable forest management is a major target of international environmental policy. However, there is the assumption underlying many policy recommendations that an increase in above-ground carbon stocks correspond to long term increases in ecosystem carbon stocks, the...
Resource Type:: Masters Thesis
Full Text:: stored in soils. We analyzed soil carbon and nitrogen dynamics in forest soils that had undergone

Understory vegetation effects on soil nitrogen and soil carbon in thinned and unthinned Douglas-fir forests

Creator:: Geyer, Eric A.
Abstract:: The optimum goal of forest management is to foster long-term productivity and ecological integrity while maintaining or increasing short-term growth and yield through sustainable practices. Understory vegetation plays a definite role in forest functions through nutrient cycling and habitat provisions. The objective of this study was to determine how salal,...
Resource Type:: Masters Thesis
Full Text:: Soil Carbon in Thinned and Unthinned Douglas-fir Forests 1.0 INTRODUCTION Intensive forest

Homogenization of Detrital Leachate in an Old-Growth Coniferous Forest, OR : DOC Fluorescence Signatures in Soils Undergoing Long-Term Litter Manipulations

Creator:: Strid, April R.
Abstract:: Soil dissolved organic carbon (DOC) is a small but crucial part of the forest carbon cycle. Characterizing the relationship between detrital inputs and soil DOC chemistry is crucial to understanding the ultimate fate of root carbon, fallen wood and needles. Chemical differences in the DOC pool may help to explain...
Resource Type:: Masters Thesis
Full Text:: forest carbon cycle. Characterizing the relationship between detrital inputs and soil DOC chemistry is

ScholarsArchive@OSU

Carbon cycling and priming of soil organic matter decomposition in a forest soil following glucose additions

Soil carbon and nitrogen in old-growth forests in western Oregon and Washington

Post-harvest establishment influences ANPP, soil C and DOC export in complex mountainous terrain

Carbon fluxes across three climatically-distinct forest chronosequences in Oregon

Dynamics of water-soluble carbon in forest soils of contrasting fertility

Quantifying C and N contents and isotope signatures of SOM pools in the H. J. Andrews DIRT plots

Soluble carbon and respiration of forest humus

Effects of 20 years of litter and root manipulations on soil organic matter dynamics

Understory vegetation effects on soil nitrogen and soil carbon in thinned and unthinned Douglas-fir forests

Homogenization of Detrital Leachate in an Old-Growth Coniferous Forest, OR : DOC Fluorescence Signatures in Soils Undergoing Long-Term Litter Manipulations

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