Plastics on the Sargasso Sea Surface

作者: E. J. Carpenter , K. L. Smith

DOI: 10.1126/SCIENCE.175.4027.1240

关键词: Lead (sea ice)Water pollutionEnvironmental sciencePelletWeatheringManta trawlPlasticizerGreat Pacific garbage patchOceanographySargasso sea

摘要: Plastic particles, in concentrations averaging 3500 pieces and 290 grams per square kilometer, are widespread the western Sargasso Sea. Pieces brittle, apparently due to weathering of plasticizers, many a pellet shape about 0.25 0.5 centimeters diameter. The particles surfaces for attachment diatoms hydroids. Increasing production plastics, combined with present waste-disposal practices, will undoubtedly lead increases concentration these particles. Plastics could be source some polychlorinated biphenyls recently observed oceanic organisms.

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