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    STP730

    Annual Macroinvertebrate Sampling—A Low-Cost Tool for Ecological Assessment of Effluent Impact

    Published: 01 January 1981


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    Abstract

    Annual macroinvertebrate sampling is viewed as a low-cost tool for effluent impact assessment. The specific objectives for such studies are discussed, and the necessary restrictions required to provide meaningful results are presented. An example study is provided for demonstrating the data analysis and interpretation. The effluent discharge from the Champion International Corp. pulp and paper mill into the Tennessee River at Courtland, Ala., was monitored annually between 1970 and 1978. The study revealed that annual sampling effectively identified the causes of major fluctuations in the macroinvertebrate community structure. The effluent discharge studied was found to have a negligible effect upon the macroinvertebrate community, while the major fluctuations were attributed to natural variations in physical and hydrological conditions. The net impact of the effluent discharge upon the receiving stream was considered to be minimal over the entire study period.

    Keywords:

    macroinvertebrates, sampling, effluents, data processing, rivers, discharge, ecology, aquatic organisms


    Author Information:

    Tesmer, MG
    Research fellow and research fellow, The Institute of Paper Chemistry, Appleton, Wis.

    Wefring, DR
    Research fellow and research fellow, The Institute of Paper Chemistry, Appleton, Wis.


    Committee/Subcommittee: D19.95

    DOI: 10.1520/STP27642S