Journal
MARINE POLLUTION BULLETIN
Volume 161, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2020.111811
Keywords
Antarctica; Byers Peninsula; Freshwater; Microplastics; Antarctic specially protected area
Funding
- Spanish Ministry of Economy and Competitiveness [CTM2016-74927-C2-1/2-R, CTM2016-79741R, AGL2014-53771-R, AGL2017-87591-R]
- CLIMARCTIC - Spanish State Research Agency [PCIN2016001]
- Ministry of Science, Innovation and Universities [RED2018-102345-T]
- Spanish Government
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Microplastics have been found in all environmental compartments investigated so far, even reaching remote areas. However, their presence in Antarctic freshwaters has not been yet reported. Here, we investigated the occurrence of microplastics in a stream from an Antarctic Specially Protected Area (Byers Peninsula, Livingston Island - ASPA No. 126), which is subject to stringent environmental protection measures as a result of which it is considered a pristine international reference site for inland waters research. Our results showed the presence of three types of microplastics in a freshwater seasonal stream, namely four polyester fibers, one black and three transparent; two acrylic fibers, one transparent and one red; and two transparent polytetrafluoroethylene films. The length and width of these fibers and films were in the 400-3546 mu m (average 1118 mu m), and 10-1026 mu m (average 199 mu m) ranges respectively. The concentration of MP was 0.95 items/1000 m(3) with estimated variability in the 0.47-1.43 items/1000 m(3) range. This is the first report of the presence of microplastics in Antarctic freshwater with the uniqueness that it is an Antarctic Specially Protected Area, meaning that plastic pollution reached even the most remote and pristine environments in the planet.
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