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Impact of breakwaters on sediment characteristics and submerged aquatic vegetation.

Nicole. Barth University of Maryland, College Park. Marine-Estuarine-Environmental Sciences. 2011

Masters Abstracts International 50-02.

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  • Title:
    Impact of breakwaters on sediment characteristics and submerged aquatic vegetation.
  • Author: Nicole. Barth
  • University of Maryland, College Park. Marine-Estuarine-Environmental Sciences.
  • Subjects: Environmental management
  • Is Part Of: Masters Abstracts International 50-02.
  • Description: This study examined the impact of breakwaters, with varying ages (1-19 y) and in 3 salinity regions of Chesapeake Bay, on sediment characteristics and submerged aquatic vegetation (SAV). Sediment and SAV characterisitcs were determined at an adjacent-exposed and a breakwater-protected site in 24 locations. A mesocosm experiment was also conducted to evaluate SAV response to 4 organic-content treatments for 3 SAV species (Ruppia maritima, Vallisneria americana, and Zannichellia palustris). Breakwater effects on sedimentation were site-specific, some sites, having no apparent affect, while others where sandy shoreline erosion was dominant, an increase in grain size and sedimentation rate was observed. At other sites breakwaters facilitated fine-sediment deposition. SAV responses in the mesocosms, were highly variable with organic content. Therefore, SAV biomass in breakwater-protected area was related to the amount and type of sediments that the breakwater retained. Site evaluations should be conducted before breakwater construction if SAV colonization is desired.
  • Publisher: Thesis (M.S.)--University of Maryland, College Park, 2011.
  • Creation Date: 2011
  • Format: 307 p..
  • Language: English
  • Identifier: ISBN9781124969480
  • Source: NUTN ALEPH
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