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Filtering by: Subject Water-supply -- Oregon Academic Affiliation Forest Science Degree Level Doctoral

Flux of ground water and nitrogen through the floodplain of a fourth-order stream

Creator:

Wondzell, Steve

Abstract:

Changes in the concentrations of dissolved ammonia (NH4+1), nitrate (NO3-1), organic nitrogen (DON) were monitored along ground water flow paths to determine the importance of the ground water system to the stream nitrogen budget. The study site was located on a wide floodplain along a fourth-order stream in the Oregon...

Resource Type:

Dissertation
Meta-sedimentary bedrock as an alternative source of water for forest ecosystems in a Mediterranean climate

Creator:

Zwieniecki, Maciej A.

Abstract:

Evaluation of meta-sedimentary bedrock as a source of stored water available to plants in a mediterranean climate is presented based on: root length distribution (RLD), root morphology, rock water holding capacity and seasonal pattern of water depletion. Studies were performed in southwestern Oregon under young stands of whiteleaf manzanita, ponderosa...

Resource Type:

Dissertation
Patterns of nitrogen fluxes in watersheds of the H.J. Andrews Experimental Forest, OR

Creator:

Vanderbilt, Kristin Lynn, 1967-

Abstract:

Seasonal and annual patterns of N fluxes and concentrations in streamwater in six conifer-dominated watersheds at the H.J. Andrews Experimental Forest, OR, were studied to gain insight into the factors that influence N retention in this ecosystem. Processes affecting N flux in streamwater differed between organic (DON) and inorganic (DIN;...

Resource Type:

Dissertation

ScholarsArchive@OSU

Flux of ground water and nitrogen through the floodplain of a fourth-order stream

Meta-sedimentary bedrock as an alternative source of water for forest ecosystems in a Mediterranean climate

Patterns of nitrogen fluxes in watersheds of the H.J. Andrews Experimental Forest, OR

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