Journal
MARINE POLLUTION BULLETIN
Volume 186, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2022.114422
Keywords
Microplastics; Coastal pollution; Marine sediments; South -Eastern Mediterranean; Lebanon
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This study is the first to report on the contamination of microplastics (MPs) in coastal and continental shelf sediments along the Lebanese shores in the South-Eastern Mediterranean Sea. The study found concentrations of MPs ranging from 0 to 4500 MPs/kg of dry sediment, with coastal landfills and raw sewage effluents identified as the main sources and routes for MPs.
Few studies on microplastics (MPs) in the marine environment have been conducted along the Eastern part of the Mediterranean Sea and even fewer along the Lebanese coast. This study aims to determine MPs contamination for the first-time in coastal and continental shelf sediments collected along the Lebanese shores, South-Eastern Mediterranean Sea. Sediments were collected as transects in 10 sites with a total of 23 samples between 2 and 120 m depth and suspected MPs were assessed by moving farther from land-based sources. Microplastics concentrations ranged between 0 and 4500 MPs/kg of dry sediment (1126 +/- 1363 MPs/kg). Polypropylene, polyethylene, polyethylene terephthalate and polystyrene were the polymers identified on micro-Raman. Coastal landfills and raw sewage effluents were identified as the main sources and routes for MPs into the Lebanese coastal marine environment. This study serves as the first database reporting MPs in continental shelf sediments in the South-Eastern Mediterranean.
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