Jerome R. Cain, R. Lawrence Klotz, Francis R. Trainor, Raymond Costello
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Algal assay and chemical analysis: A comparative study of water quality assessment techniques in a polluted river
The water quality of a polluted river was monitored for a two-year period by use of an algal bioassay and routine chemical analyses. Comparison of six sampling sites using t-tests for paired data for each parameter measured shows that the algal assay is as efficient as all chemical analyses in differentiating between sites. Comparison of the algal assay with each chemical parameter by means of correlation coefficients shows greatest correlation between the assay and ortho-phosphate. The benefits of using algal assays alone or in addition to chemical analyses are discussed.
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