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Table 1 Heterogeneity of MPs abundances in different region worldwide

From: Marine microplastics as vectors of major ocean pollutants and its hazards to the marine ecosystem and humans

Region Location MPs concentration range Polymer Reference
Asian Yangtze Estuary, China 500–10,200 n/m3 Not Available Zhao et al. (2014)
Yellow Sea, China ND–0.81 item/m3 PP, PE Sun et al. (2018)
Jiaozhou Bay, China 20–120 item/m3 PP, PE, PET Zheng et al. (2019)
Bohai Sea, China 0.01–1.5 particle/m3 PE, PP, PS, PET Zhang et al. (2017)
Xiangshan Bay, China 4.6–20.1 item/m3 PE, PP, PS Chen et al. (2018)
Qatar marine waters 0–3 item/m3 PE, PP, PS, PA, PMMA Castillo et al. (2016)
Chabahar Bay, Oman 0.07–1.14 particle/m3 PE, PP, PS, PET, PVA Aliabad et al. (2019)
Levantine Basin, Lebanon 0.17–0.62 item/m3 PE, PP, PS, PA, PET, PUR, PVC Kazour et al. (2019)
Mersin Bay, Turkey 0.2–5.1 pcs/L PE, PP, PS Akarsu et al. (2020)
North Coast of Surabaya, Indonesia 0.38–0.61 N/L PS, PE, PP, PU, PET, PB, PES Cordova et al. (2019)
Kuala Nerus and Kuantan Port, Malaysia 0.13–0.69 pcs/L PES, PE, PP, PS, PA, PVC Khalik et al. (2018)
Southern Sri Lanka 0–29 item/m3 PE, PP, PS and Mix PE+PP Koongolla et al. (2018)
America San Francisco Bay, USA 15,000–2,000,000 particle/km2 Not available Sutton et al. (2016)
Tampa Bay, USA 1.2–18.1 particles/m3 Not available McEachern et al. (2019)
Europe Sweden marine waters 0–70.3 item/m3 PE, PP Schönlau et al. (2020)
Tuscan coastal waters, Italy 0.16–0.27 item/m3 PE, PP, EVA, SBR Baini et al. (2018)
Africa King Harbour, Jamaica 0–5.73 particle/m3 PE, PP Rose and Webber (2019)
South Africa marine waters 257–1215 particle/m3 Not available Nel and Froneman (2015)