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Spatial distribution, composition, and rainfall-driven dynamics of marine litter along the Sea of Oman, Sultanate of Oman
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This research developed bamboo-based molecular bioplastics, investigating the use of bamboo-derived polymers as sustainable feedstocks for biodegradable material production. The study evaluated the material properties and biodegradation rates of bamboo-derived plastics compared to conventional bioplastic formulations.
The problem of marine litter is becoming more and more widespread, having an adverse effect on human health, the economy, and marine ecosystems. The distribution and characteristics of marine litter in the Sea of Oman along the Omani coast are investigated in this study. Barka, Seeb, Ghubra, and Qurm are the four coastal localities from which marine litter data were collected from 7200 m2 area. The mean abundance of the marine litter was 0.31 items per m2. Plastics accounted for the highest abundance of marine litter (62%), followed by fabric (13%), foam (4%), and glass (1%). A total of 67,588.90 g of marine litter was collected during the study period, with fabric contributing the highest weight (31,659.20 g), followed by plastic (23,689.83 g) and processed wood (3753.59 g). Heavy rainfall on April 16, 2024, increased coastal litter at Ghubra and Qurm by transporting debris from inland areas, though human activity and municipal management also influenced distribution. The study also emphasizes that the package bottled water contribute highest marine litter among all other marine litter types in the Sea of Oman. The results highlight how urgently better litter management procedures and more public awareness are needed to lessen the negative impacts of marine litter.
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Researchers investigated microplastic distribution in water and sediment at 10 stations in Chabahar Bay, Iran, finding average water concentrations of 218 particles/L and documenting variation in frequency, color, and polymer type across the Oman Sea coastal environment.
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This study documented microplastic contamination in intertidal sediments along seven locations on the Oman Sea coast, finding average levels of about 315 particles per kilogram of dry sediment. Fragments and fibers dominated, with polypropylene as the most common polymer identified by Raman spectroscopy. The results confirm that microplastic pollution has reached the Oman Sea coastline and call for regional regulations to reduce plastic inputs into this relatively understudied marine environment.
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Researchers surveyed marine litter and microplastic pollution in mangrove sediments along the coast of Oman. They found plastic items accounted for the vast majority of litter, and microplastic concentrations in sediment varied widely between sites, with the highest levels near areas of greater human activity. The study highlights mangroves as significant sinks for plastic pollution that need targeted conservation and cleanup efforts.
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