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Abundance and distribution of marine litter on the beaches of Okinawa Island, Japan.
Ilechukwu, Ifenna; Das, Rocktim Ramen; Jamodiong, Emmeline A; Borghi, Stefano; Manzano, Geminne G; Hakim, Agus Alim; Reimer, James Davis.
Affiliation
  • Ilechukwu I; Molecular Invertebrate Systematics and Ecology (MISE) Laboratory, Graduate School of Engineering and Science, University of the Ryukyus, Nishihara, Okinawa 903-0123, Japan. Electronic address: iilechukwu@madonnauniversity.edu.ng.
  • Das RR; Molecular Invertebrate Systematics and Ecology (MISE) Laboratory, Graduate School of Engineering and Science, University of the Ryukyus, Nishihara, Okinawa 903-0123, Japan.
  • Jamodiong EA; Molecular Invertebrate Systematics and Ecology (MISE) Laboratory, Graduate School of Engineering and Science, University of the Ryukyus, Nishihara, Okinawa 903-0123, Japan.
  • Borghi S; College of Science and Engineering, James Cook University, Townsville, QLD, Australia; Tropical Biosphere Research Center, University of the Ryukyus, Nishihara, Okinawa 903-0123, Japan.
  • Manzano GG; Molecular Invertebrate Systematics and Ecology (MISE) Laboratory, Graduate School of Engineering and Science, University of the Ryukyus, Nishihara, Okinawa 903-0123, Japan.
  • Hakim AA; Molecular Invertebrate Systematics and Ecology (MISE) Laboratory, Graduate School of Engineering and Science, University of the Ryukyus, Nishihara, Okinawa 903-0123, Japan; Department of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, IPB University, JI. Agatis, Kampus IPB Dr
  • Reimer JD; Molecular Invertebrate Systematics and Ecology (MISE) Laboratory, Graduate School of Engineering and Science, University of the Ryukyus, Nishihara, Okinawa 903-0123, Japan; Tropical Biosphere Research Center, University of the Ryukyus, Nishihara, Okinawa 903-0123, Japan.
Mar Pollut Bull ; 200: 116036, 2024 Mar.
Article in En | MEDLINE | ID: mdl-38237260
ABSTRACT
This study evaluated the distribution and abundance of marine litter on 30 beaches around Okinawa Island, Japan. Beach quality indices and multivariate statistical analyses were used to assess the quality of the beaches and their pollution patterns. A total of 11,626 items weighing 513.49 kg with an average density of 0.13 ± 0.10 items/m2 were collected. Litter was dominated by plastics (81.72 %), broken glass (8.38 %), and cigarette butts (7.44 %), and 74.05 % of total litter was from land-based sources. Single-use plastics (SUPs) were present in all surveyed beaches and made up 30.54 % of the total litter. The clean coast index (CCI), plastic abundance index (PAI), and hazardous index (HI) were between 0.1 and 7.6, 0.1-4.0 and 0.01-1.42, respectively, indicating low to moderate levels of pollution of Okinawan beaches. This study should aid in the formation of strategies to deal with marine litter in Okinawa, other areas of Japan and the Asia-Pacific region.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Waste Products / Environmental Monitoring Country/Region as subject: Asia Language: En Journal: Mar Pollut Bull Year: 2024 Document type: Article
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Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Waste Products / Environmental Monitoring Country/Region as subject: Asia Language: En Journal: Mar Pollut Bull Year: 2024 Document type: Article