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Evidence which the major Pacific Garbage Patch Information Systems rapidly accumulating plastic
Vessel (grey & dark blue lines) & aircraft (light blue lines) tracks & locations where information on buoyant ocean plastic concentrations were gathered (circles). Trawl samples processingTrawl samples were separately washed into a sieve tower (five Glenammer Engineering Ltd sieves, with 0.05 cm, 0.15 cm, 0.5 cm, 1.5 cm, & five cm square apertures) which divided the material into the next size classes: 0.05–0.15 cm, 0.15–0.5 cm, 0.5–1.5 cm, 1.5–5 cm, & >5 cm. Secondly, we screened all plastic debris gathered for produce dates, as well as any writings statements giving information on its origin (i.e. To do so, we divided the count & weigh of plastic objects within each category with the towed ambit of the sample. (c) Measured mass concentrations againest modelled mass concentrations for microplastics, mesoplastics, macroplastics & megaplastics.