Assessing plastic size distribution and quantity on a remote island in the South Pacific
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Issue date
2021-04-16Subject Terms
anthropogenic debrisHenderson Island
marine debris
microplastic
nanoparticle
plastic pollution
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Plastics are an environmental threat; however, their fate once in the pelagic environment is poorly known. We compare results from assessments of floating plastics in the South Pacific Ocean with accumulated beach plastics from Henderson Island. We also compare accumulated plastic mass on Henderson during 2015 and 2019 and investigate the presence of nanoplastics. There were differences between the size classes of beach and pelagic plastics, and an increase in microplastics (0.33-5 mm) on the beach between 2015 and 2019. Micro- and nanoplastics were found at all sites (mean ± SE: 1960 ± 356 pieces/kg dw). Across the whole beach this translates to >4 billion plastic particles in the upper 5 cm. This is concerning, particularly given Henderson is uninhabited and distant from urban centres (~2350 km from Pape'ete, French Polynesia). The vast number of small particles on Henderson may make nearshore filter feeders susceptible to ingestion and subsequent detrimental impacts.Citation
Emma C. Nichols, Jennifer L. Lavers, Simeon Archer-Rand, Alexander L. Bond, Assessing plastic size distribution and quantity on a remote island in the South Pacific, Marine Pollution Bulletin, Volume 167, 2021, 112366, ISSN 0025-326X, https://doi.org/10.1016/j.marpolbul.2021.112366.Publisher
Elsevier BVJournal
Marine Pollution BulletinType
Journal ArticleItem Description
Copyright © 2021, The Authors. This document is the author’s final accepted version of the journal article. You are advised to consult the published version if you wish to cite from it.NHM Repository
ISSN
0025-326XEISSN
1879-3363ae974a485f413a2113503eed53cd6c53
10.1016/j.marpolbul.2021.112366
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