期刊
MARINE POLLUTION BULLETIN
卷 149, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2019.110573
关键词
Antarctic; Southern Ocean; Pollution; Microplastic; Surface waters
资金
- National Science Centre, Poland [2016/23/B/ST10/01936]
In 2018, during a circumnavigation of Antarctica below 62 degrees S by the sailing boat Katharsis II, the presence of plastics was investigated with surface sampling nets at ten evenly spaced locations (every 36 degrees of longitude). Although fibres that appeared to be plastic (particles up to 2 cm) were found in numbers ranging from 1 particle (0.002 particles per m(3)) to 171 particles (1.366 particles per m(3)) per station, a Fourier-transform infrared spectroscopy (FT-IR) analysis indicated that these particles were not composed of plastic. The fibres which superficially reminded plastic were composed of silica and are of biological origin most likely generated by phytoplankton (diatoms). Therefore, the offshore Antarctic locations were proven to be free of floating micro-plastics.
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