Microplastics ‘abundant’ in remote polar seas
23 October, 2020
New study of plastics in the Antarctic Peninsula, South Georgia and the Sandwich Islands
An estimated 75% of all the litter in our oceans is plastic, and around 5 million tonnes of plastic waste enter the ocean annually. Scientific observations of a significant concentration of plastics debris in both polar oceans indicate that plastic pollution is a global problem. The impacts of this debris on the sensitive polar ecosystem could be profound and BAS plays a key role in turning this science into policy.
The Southern Ocean has the lowest densities of large plastic litter in the world. For the last three decades, the British Antarctic Survey has been regularly monitoring large plastic debris washed up on beaches near its research stations and recording incidences of ingestion and entanglements of birds and mammals. Many of these animals travel huge distances to find food and can bring plastics and other marine debris to the Antarctic from more polluted areas of the world.
More recently we have also turned our attentions to the emerging and worrying issue of microplastics, smaller pieces of plastic less than 5 mm in size. Microplastics can come from a range of sources: personal care products (such as toothpastes, shampoos and shower gels); synthetic fibres from laundry; and from the breakdown of larger pieces of plastic debris. Microplastics have been found in the seas of the Arctic and Antarctic, including surface waters and deep-sea and shallow sediments. These tiny particles and plastic fibres have been shown to negatively impact a variety of marine species. BAS scientists collect water, ice and sediment samples from the Arctic and Antarctic in order to understand how widespread these small pieces of plastic are.
Our scientists are working with our collaborators to quantify how much plastic pollution there is in the polar regions, where it comes from and what effects it is having on polar ecosystems.
Read the report from the BAS-CCI workshop ‘Plastics in the Ocean: Challenges and Solutions’ here
For more information about how the international community is dealing with plastics at the poles there will be a meeting at SCAR2020.
Marine Biogeographer
BAS-Arctic Working Group, Biodiversity, Evolution and Adaptation team
Marine Geophysicist
BAS-Arctic Working Group, Palaeo Environments, Ice Sheets and Climate Change team
Quaternary Geologist
BAS-Arctic Working Group, Palaeo Environments, Ice Sheets and Climate Change team
Director of Innovations and Impact
BAS Science Strategy Executive Group, Information Services team, Innovation team, BAS Management team, UK Polar Data Centre team, BAS Executive team
Kirstie Jones-Williams – PhD Student
Cath Waller – University of Hull, UK
Iván Loaiza – Científica del Sur University, Peru
Bernabé Moreno – Científica del Sur University, Peru
Cesar O. Pacherres – Alfred Wegener Institute, Germany
Richard Thompson – Plymouth University
Tamara Galloway – University of Exeter
Steve Fletcher – UNEP-WCMC
Ilaria Corsi – Università di Siena
Elisa Bergami – Università di Siena
Matthew Cole – Plymouth Marine Laboratory
Bhavani Narayanaswamy – The Scottish Association for Marine Science
Philip Anderson – The Scottish Association for Marine Science
23 October, 2020
New study of plastics in the Antarctic Peninsula, South Georgia and the Sandwich Islands
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22 April 2002 PR Number 6/2002 Discarded human debris is encouraging colonization of exotic marine animals in the world’s oceans and threatening global biodiversity, particularly in the Southern Ocean. The …
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