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Median (solid line), mean (white square), inner quartile and range (box and whiskers) and any outliers to the range (bold filled circles) showing all raw data (smaller points) for flat oyster dredge efficiency by 1 st and 2 nd dredge pass (April and September combined) and season (Pass 1 and 2 combined). While there is a trend towards higher efficiency values in September when seaweed and algae biomass was higher (see Fig. 1), there was no statistically significant difference in efficiency between seasons.
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