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    The production, nitrogen, and phosphorus dynamics of Elodea sp., Potamogeton sp., and Nitella sp. in Sam Rayburn reservoir, Texas.

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    Date
    1978
    Author
    Neely, Robert Kyle
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    Abstract
    The 1977 annual maximum biomass of Elodea sp., Fota- — 2 mogeton sp., and Nitella sp. was found to be 1013.6 g m~ , 168.4 g m **, and 32?.6 g m~'', respectively. Combined, these plants produce 80,528.16 kg dry wt lake”* year”*. However, this value is only 0.289?5 of phytoplankton production. Production of the macrophytes may have been greater had a a severe draw-down not occurred. The seasonal changes in ash weight and nutrient concentrations did not conform to the typical curves» nor did the seasonal change in biomass conform to the expected sigmoid curve (Westlake, 1965b)* The atypical patterns were due to the effects suffered from the water level change. Nitrogen and phosphorus concentrations in the plant tissues were not found to be indicative of environmental concentrations of nitrogen and phosphorus. This occurrence may have been due to neither nitrogen nor phosphorus of waters or sediments being limiting. Evidence for secretion of phosphorus by Elodea sp. was found. Diffusion gradients of phosphorus were found between the interior and exterior of the Elodea sp. stands.
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    https://hdl.handle.net/2104/11680
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    Copyright © Baylor® University All rights reserved. Legal Disclosures.
    Baylor University Waco, Texas 76798 1-800-BAYLOR-U
    Baylor University Libraries | One Bear Place #97148 | Waco, TX 76798-7148 | 254.710.2112 | Contact: libraryquestions@baylor.edu
    If you find any errors in content, please contact librarywebmaster@baylor.edu
    DSpace software copyright © 2002-2016  DuraSpace
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