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    Redoximorphic Features Induced by Organic Amendments and Simulated Wetland Hydrology

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    No. of downloads: 1405

    Date
    2010
    Author
    Gray, Adam Lincoln
    Advisor
    Rabenhorst, Martin C
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    Abstract
    During wetland construction, it is common to add organic amendments to the soil, although little research has evaluated the effects of organic additions on the development of redoximorphic features. The objective of this study was to evaluate the effects of adding different types of organic materials, using different methods of incorporation, on the formation of redoximorphic features under hydric soil conditions. Five types of organic materials were incorporated into soil cores lacking redoximorphic features, using three incorporation methods. Cores were established as mesocosms in a controlled greenhouse environment or transplanted into a natural wetland. Mesocosms were periodically dissected and examined for newly formed redoximorphic features. The method of incorporating organic materials had a significant influence on the development of redoximorphic features, but the type of organic material had no significant effect. Organic materials should be concentrated into deeper zones during wetland construction to maximize development of redoximorphic features.
    URI
    http://hdl.handle.net/1903/10467
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    • Plant Science & Landscape Architecture Theses and Dissertations
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    DRUM is brought to you by the University of Maryland Libraries
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