An investigation of possible water quality sampling sites to represent baseline conditions of the Hurontario ecoregion / Michelle Zurbrigg. : En39-120/1991E-PDF

"A subjective investigation of 5 potential baseline water quality sampling sites for the Hurontario ecoregion was completed. The sites that have been proposed have satisfied two preconditions. One, that their drainage areas are the least impacted of those found in the ecoregion; and, secondly, that the drainage areas of the sites are representative of typical physical characteristics of the ecoregion. Such sites were then evaluated more closely through field investigation. An acceptable site will provide baseline values for physical and chemical water quality parameters. This data will aid water quality interpretation in two respects. Firstly, it would help to form better assessments of the nature and magnitude of agricultural, industrial, and municipal impacts in water reaches of the ecoregion, rather than those made in isolation, in the absence of comparison with "pristine" sites. Secondly, this data would be appropriate for setting general goals for attainable conditions in impacted water reaches undergoing recovery or reclamation"--Summary.

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