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Microplastics in marine sediments near Rothera Research Station, Antarctica
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Microplastics were found in marine sediments near Rothera Research Station in Antarctica, indicating that even research stations introduce plastic pollution into supposedly pristine polar environments. The study raises concerns about the environmental footprint of Antarctic research activities and calls for improved waste management at polar facilities.
Antarctica and surrounding waters are often considered pristine, but may be subject to local pollution from tourism, fishing and governmental research programme activities. In particular, the quantification of microplastic pollution within the Antarctic Treaty area (south of latitude 60°S) has received little attention. We examined microplastic particle concentrations in sediment samples from 20 locations up to 7 km from Rothera Research Station. The highest concentrations of microplastic (<5 particles 10 ml) were recorded in sediment collected near the station sewage treatment plant outfall. The concentrations were similar to levels recorded in shallow and deep sea marine sediments outside Antarctica. The detected microplastics had characteristics similar to those commonly produced by clothes washing. We recommend further research on microplastics around Antarctic stations to inform policy discussions and the development of appropriate management responses.
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This review compiled recent findings on microplastic occurrence in Antarctica in both water and sediment, finding that tourism, fishing, and research activities have introduced MPs to this previously considered pristine environment with documented impacts on Antarctic organisms.
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Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.