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Caption: This chart contains summary statistical data of all dissolved oxygen data measurements taken at SVCA sample sites between 1994 and 2003. The median of the data measurements are represented by the notches, the 10th and 90th percentiles are represented by the ends of the boxes, and the 5th and 95th percentile are represented by the whiskers. Most data measurements were taken in the A.M. when DO levels tend to be lower due to the nighttime respiration of algae. The reference line shown at 7.0 mg/L is the lower limit where dissolved oxygen concentration begins to be stressful to salmon (MDEP, 2001). Median DO levels are below 7.0 mg/L at many sites. The 90th percentile is below 7.0mg/L at MEBK001-F. See Info Links for more information.
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