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Title: Effects of suspended solids on selected estuarine plankton
Authors: University of Maryland. Natural Resources Institute
Sherk, J. Albert
Neumann, D. A.
O'Connor, J. M. (Joseph M.)
Keywords: Marine biology
Estuarine ecology
Suspended sediments
Biological components
Patuxent River, Maryland
Dredging effects
Natural sediments
Estaurine plankton
Publisher: Coastal Engineering Research Center (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: Miscellaneous report (Coastal Engineering Research Center (U.S.)) ; no. 76-1.
Description: Miscellaneous Report
Abstract: A 3-year laboratory study identified biological components of selected populations of estuarine organisms which were most sensitive to the effects of particle size and concentration of (a) suspended mineral solids similar in size to sediments likely to be found in, or added to, estuarine systems in concentrations typically found during flooding, dredging, and disposal of dredged material, and (b) natural sediments in identical experiments. Carbon assimilation by four species of phytoplankton was significantly reduced by the light attenuating properties of fine silicon dioxide suspensions. Ingestion of radioactively tagged food cells by two species of calanoid copepods was significantly reduced during exposure to suspensions of Fuller 's earth, fine silicon dioxide, and natural Patuxent River silt. This report provides base-line data for preproject decision making based on concentration effects of different suspended sediments on selected typical estuarine plankton.
Rights: Approved for Public Release, Distribution is Unlimited
Appears in Collections:Miscellaneous Report

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