Distribution and abundance of submerged aquatic macrophytes in a reactor cooling reservoir

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Measurements of ash-free dry weight were used to characterize the effects of a heated effluent on submerged macrophytes in a reactor cooling reservoir. The species which were most abundant during the summers of 1974 and 1975 were Myriophyllum spicatum L. and Eleocharis acicularis (L.) R. and S. Examination of the vertical distribution of the shoot biomass of Myriophyllum revealed that plants in heated areas grew closer to the water surface than plants in unheated areas. The biomass of the second most abundant species, Eleocharis acicularis, was less at 0.5 m depths in heated areas (more than 5C/sup 0/ warmer than ... continued below

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Pages: 153

Creation Information

Grace, J.B. August 1, 1977.

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  • Savannah River Laboratory
    Publisher Info: Du Pont de Nemours (E.I.) and Co., Aiken, S.C. (USA). Savannah River Lab.
    Place of Publication: Aiken, South Carolina

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Description

Measurements of ash-free dry weight were used to characterize the effects of a heated effluent on submerged macrophytes in a reactor cooling reservoir. The species which were most abundant during the summers of 1974 and 1975 were Myriophyllum spicatum L. and Eleocharis acicularis (L.) R. and S. Examination of the vertical distribution of the shoot biomass of Myriophyllum revealed that plants in heated areas grew closer to the water surface than plants in unheated areas. The biomass of the second most abundant species, Eleocharis acicularis, was less at 0.5 m depths in heated areas (more than 5C/sup 0/ warmer than unheated areas) than at equal depths in unheated areas. Species diversity was greater at heated locations because of a greater equitability (i.e., evenness of distribution of biomass) among species.

Physical Description

Pages: 153

Notes

Dep. NTIS, PC A08/MF A01.

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  • Other Information: Thesis. Submitted to Clemson Univ., SC

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  • Report No.: DP-MS-77-99
  • Grant Number: EY-76-C-09-0001
  • DOI: 10.2172/5263174 | External Link
  • Office of Scientific & Technical Information Report Number: 5263174
  • Archival Resource Key: ark:/67531/metadc1068668

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Creation Date

  • August 1, 1977

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

Description Last Updated

  • May 10, 2018, 7:13 p.m.

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Grace, J.B. Distribution and abundance of submerged aquatic macrophytes in a reactor cooling reservoir, report, August 1, 1977; Aiken, South Carolina. (digital.library.unt.edu/ark:/67531/metadc1068668/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.