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Effects of Ocean Dumping on a Temperate Midshelf Environment

  • D. W. Lear
  • M. L. O’Malley
  • S. K. Smith
Part of the Marine Science book series (MR, volume 12)

Abstract

The fate and effects of ocean dumped sewage sludge and acid iron waste were studied at two mid-continental shelf sites off the Delaware-Maryland coast. Materials accumulated in sediment, especially in winter, and tended to persist in topographic low areas. Ambient levels in sediments, of metals, organic carbon, and organohalogens were determined, and statistically significant areas of impaction delineated. Uptake of certain metals in scallops and clams was indicated. The mahogany clam, Arctica islandica, may have suffered mortalities due to dumping activities. Contamination of bottom sediments by sewage indicator bacteria was demonstrated. Studies of impact on bottom communities are continuing.

Keywords

Sewage Sludge Benthic Invertebrate Marine Research Fecal Coliform Bacterium Delaware Estuary 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1981

Authors and Affiliations

  • D. W. Lear
    • 1
  • M. L. O’Malley
    • 1
  • S. K. Smith
    • 1
  1. 1.Annapolis Field OfficeU.S. Environmental Protection AgencyAnnapolisUSA

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