Index Catalog // ScholarsArchive@OSU

Untangling the complexity of nearshore ecosystems : examining issues of scaling and variability in benthic communities

Creator:: Schoch, G. Carl
Abstract:: The objective of this research was to improve our understanding of how changes in the environment affect ecological processes. Change detection is often confounded by the large variation found in ecological data due to the difficulty of finding replicates in nature. Intertidal communities were chosen for studies of biophysical interactions...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF G. Carl Schoch for the

Patterns of carbon storage within a mature northern highbush blueberry production system

Creator:: Nemeth, Denise Alexandra
Abstract:: The objectives of this study were to: 1) determine how organic matter (incorporated vs. surface mulch) and nitrogen fertilization rate impact northern highbush blueberry (Vaccinium corymbosum L.) plant biomass, carbon accumulation, plant losses and allocation, and mycorrhizal infection in mature plants, and 2) determine the magnitude of carbon fluxes (carbon...
Resource Type:: Dissertation
Full Text:: is agriculture, most studies look at the components of “low C agriculture” which include soil C

From Micro to Macro: Insights into Biogeochemical Mechanisms that Shape Marine Systems

Creator:: Seabrook, Sarah
Abstract:: Biogeochemical mechanisms employed by key organisms, or symbiotic associations of organisms, transform the function and structure of their environment through processes recognized as ecosystem engineering. This dissertation seeks to investigate organism-ecosystem interactions that serve globally significant ecological functions in marine systems and impact how systems respond to environmental change. Using...
Resource Type:: Dissertation
Full Text:: Seabrook thesis revFSC AN ABSTRACT OF THE

Long-term Effects of Vegetation Management on Plant and Soil Derived Nutrient Budgets for Plantations of Four Western Conifer Species

Creator:: Callan, Cannon F.
Abstract:: Forest Vegetation Management (VM) is an important tool used in the Pacific Northwest (PNW) for reforestation. It has been well documented that VM increases seedling survival and crop tree volume growth. What is less understood, is how altering the plant community and successional trajectory affects the way the ecosystem uses...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Callan Cannon for the

Influence of Soil Texture on Carbon Storage of PNW Coastal Blue Carbon Ecosystems

Creator:: Fox, Conner S.
Abstract:: Coastal blue carbon ecosystems offer a variety of important ecosystem services, including exceptional rates of carbon sequestration and long-term carbon storage. Because these ecosystems disproportionately influence global carbon cycling, understanding their soil characteristics may help guide long-term climate change mitigation and adaptation strategies. Recently, Kauffman et al. (2020) observed the...
Resource Type:: Honors College Thesis
Full Text:: FoxConnerS2020 Influence of Soil Texture on Carbon

Ecology and applications of cutaneous mechanisms of resistance to amphibian chytridiomycosis

Creator:: Nebergall, Emily E.
Abstract:: Amphibian biodiversity is in rapid global decline, due in part to the fungal disease chytridiomycosis, caused by Batrachochytrium dendrobatidis (Bd). Susceptibility to Bd and chytridiomycosis varies between species and populations. Skin peptides and symbiotic skin bacteria appear to be important mechanisms of Bd resistance. However, not much is known about...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Emily E

Use of MIKE SHE for estimation of evapotranspiration in the Sprague River Basin

Creator:: Shakya, Suva R.
Abstract:: MIKE SHE is a fully distributed, physically-based hydrologic model that can simulate water movement over and under the Earth's surface. Evapotranspiration (ET) is one of the components of this model. MIKE SHE uses a modification of the Kristensen -Jensen (1975) method to calculate actual ET. This method is based on...
Resource Type:: Masters Thesis
Full Text:: Thesis-Final_Revised RHC Revised SS AN ABSTRACT OF THE

Inheritance of stem elongation tendency in determinate forms of Phaseolus vulgaris (L.)

Creator:: Detongnon, Jean
Resource Type:: Dissertation
Full Text:: is an important part of agriculture. Initially, the industry was based almost entirely on pole

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:: AN ABSTRACT OF THE DISSERTATION OF Scott M. Holub for the

Winter cover cropping effects on integrative biological indicators of soil quality

Creator:: Ndiaye, Evelyne L.
Abstract:: Responses of biological indicators of soil quality to winter cover cropping were measured on soil samples collected from 6 commercial growers' fields and two experiment research stations in the Willamette Valley of Oregon. The research stations were the North Willamette Research and Extension Center (Aurora, OR), and the Oregon State...
Resource Type:: Masters Thesis
Full Text:: (United States Department of Agriculture) and to the SARE (Sustainable Agricultural Research and

ScholarsArchive@OSU

Untangling the complexity of nearshore ecosystems : examining issues of scaling and variability in benthic communities

Patterns of carbon storage within a mature northern highbush blueberry production system

From Micro to Macro: Insights into Biogeochemical Mechanisms that Shape Marine Systems

Long-term Effects of Vegetation Management on Plant and Soil Derived Nutrient Budgets for Plantations of Four Western Conifer Species

Influence of Soil Texture on Carbon Storage of PNW Coastal Blue Carbon Ecosystems

Ecology and applications of cutaneous mechanisms of resistance to amphibian chytridiomycosis

Use of MIKE SHE for estimation of evapotranspiration in the Sprague River Basin

Inheritance of stem elongation tendency in determinate forms of Phaseolus vulgaris (L.)

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

Winter cover cropping effects on integrative biological indicators of soil quality

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