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Scales of Spatial Heterogeneity of Plastic Marine Debris in the Northeast Pacific Ocean

Figure 3

Numerical concentrations of microplastic from neuston samples and sub-surface samples.

M indicates manta tows, B indicates bongo tows, and the number refers to the station. Boxes are middle 50% of the data, with the thick line denoting the median. Whiskers indicate 5th and 95th percentile of the data, and hollow circles indicate maximum and minimum values. Sample sizes are n = 8 for each manta tow box plot and n = 6 for each bongo tow boxplot, for a total of n = 32 manta tows and n = 24 bongo tows.

Figure 3

doi: https://doi.org/10.1371/journal.pone.0080020.g003