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Characterization of plastic debris and association of metals with microplastics in coastline sediment along the Persian Gulf.

Authors
  • Dobaradaran, Sina1
  • Schmidt, Torsten C2
  • Nabipour, Iraj3
  • Khajeahmadi, Nahid4
  • Tajbakhsh, Saeed5
  • Saeedi, Reza6
  • Javad Mohammadi, Mohammad7
  • Keshtkar, Mozhgan4
  • Khorsand, Maryam4
  • Faraji Ghasemi, Fatemeh4
  • 1 The Persian Gulf Marine Biotechnology Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran; Systems Environmental Health, Oil, Gas and Energy Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran; Department of Environmental Health Engineering, Faculty of Health, Bushehr University of Medical Sciences, Bushehr, Iran. Electronic address: [email protected] , (Iran)
  • 2 Instrumental Analytical Chemistry and Centre for Water and Environmental Research (ZWU), Faculty of Chemistry, University of Duisburg-Essen, Universitätsstr. 5, Essen, Germany. , (Germany)
  • 3 The Persian Gulf Tropical Medicine Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran. , (Iran)
  • 4 Department of Environmental Health Engineering, Faculty of Health, Bushehr University of Medical Sciences, Bushehr, Iran. , (Iran)
  • 5 The Persian Gulf Marine Biotechnology Research Center, The Persian Gulf Biomedical Sciences Research Institute, Bushehr University of Medical Sciences, Bushehr, Iran. , (Iran)
  • 6 Department of Health Sciences, Faculty of Health, Safety and Environment, Shahid Beheshti University of Medical Sciences, Tehran, Iran. , (Iran)
  • 7 Department of Environmental Health Engineering, School of Public Health and Environmental Technologies Research Center, Ahvaz Jundishapur University of Medical Science, Iran. , (Iran)
Type
Published Article
Journal
Waste management (New York, N.Y.)
Publication Date
Aug 01, 2018
Volume
78
Pages
649–658
Identifiers
DOI: 10.1016/j.wasman.2018.06.037
PMID: 32559956
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

This study reports number, size and color distribution, and metal contents of microplastics as well as adherent sediments along the Persian Gulf. Samples were collected from 9 stations in summer 2015 with a sampling time interval of 10 days. Plastic size of 2-5 mm, and ≤0.25 mm with 45 and 33% and white and colorless plastics with 62 and 33% had the highest abundance considering number per m2, respectively. In general, the majority of collected plastics (79%) were smaller than 5 mm (defined size for microplastics). The mean Al, Fe, Mn, Cd, Cr, Ni, Pb, Cu contents of plastic fragments were 115, 531, 32.2, 0.035, 0.915, 2.03, 4.59, and 3.6 μg g-1, respectively while the mean Al, Fe, Mn, Cd, Cr, Ni, Pb, Cu contents of sediments were 186, 3050, 127, 0.81, 5.01, 14.5, 48.6 and 5.43 μg g-1 respectively. There were significant differences between the abundance of plastic items as well as the all examined metal concentrations of microplastics and sediments at different sampling times. As there is no regular cleanup program in the studied areas, significant differences between plastic items number at different sampling times (with higher plastic items number at the first day of sampling) showed that a large number of plastic items may enter from beaches to the sea and become available to marine organisms. Copyright © 2018. Published by Elsevier Ltd.

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