Scales of Spatial Heterogeneity of Plastic Marine Debris in the Northeast Pacific Ocean
Hollow circles indicate stations with visual observations and manta tow stations within 25(n = 23). Solid circles indicate median plastic abundance for visual observations and manta tow stations taken on the line sampling patterns within 9 km of each other. Lines extending from solid circles are bootstrap 95% confidence intervals. Data for solid circles is given in Table 2. Spearman's rank correlation rho = 0.603, p = 0.001. Regression line fit using Theil-Sen single median method.