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61,005 resultsShowing papers similar to Occurrence and spatial distribution of microplastics in the intertidal sediments along the Oman Sea
ClearMicroplastic contaminants in the sediment of the north coasts of the Persian Gulf and Gulf of Oman
Researchers characterized microplastic abundances and properties in coastal sediments of the Persian Gulf and Gulf of Oman, finding concentrations ranging from 10 to 45 particles per kilogram with an average of 655 pieces per kilogram and a predominance of black fibers and high-density polymers. Raman analysis confirmed polymer identities and revealed a negative depth gradient with decreasing MP concentrations from coastal to deeper waters.
Microplastic pollution in the littoral sediments of the northern part of the Oman Sea
Researchers conducted the first assessment of microplastic pollution in littoral sediments of the northern Oman Sea, finding MPs at all eight sampling stations at abundances of 138.3 to 930.3 particles per kg. Polyethylene was the dominant polymer, with fibers and fragments the most common shapes, establishing a baseline and underscoring the need for improved waste management and environmental protection in the region.
Accumulation and distribution of microplastics in the sediment and coastal water samples of Chabahar Bay in the Oman Sea, Iran
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.
Microplastics in the surface seawaters of Chabahar Bay, Gulf of Oman (Makran Coasts)
Researchers conducted the first survey of microplastic pollution in the surface waters of Chabahar Bay in the Gulf of Oman. They found microplastic densities ranging up to 1.14 particles per cubic meter, with fibers being the most common shape and polyethylene and polypropylene the dominant polymer types. The highest concentrations were found near populated areas, suggesting that human activity is a major source of microplastic contamination in this coastal region.
Microplastic Contaminants in the Sediment of the East Coast of Saudi Arabia
Researchers conducted the first measurement of microplastic contamination in sediments along four beaches on Saudi Arabia's east coast, finding 586 microplastic particles with fibers being the dominant shape (96%) and polyethylene terephthalate the most common polymer type, with abundance varying between tidal zones.
Characterization of plastic debris from surface waters of the eastern Arabian Sea–Indian Ocean
Researchers characterized floating plastic debris from surface waters of the eastern Arabian Sea, finding that the microplastic size fraction (0.5-5 mm) was most prevalent at over 50% of total debris, with ATR-FTIR analysis identifying polyethylene and polypropylene as dominant polymer types. The findings document widespread plastic contamination in a poorly studied region of the Indian Ocean.
Seasonal distribution and abundance of microplastics in the coastal sediments of north eastern Arabian Sea
Researchers documented seasonal variation in microplastic abundance along India's North Eastern Arabian Sea coast, finding 4,400 to 15,300 items per kilogram of dry sediment with fibers as the dominant form across ten identified polymer types.
Microplastics particles in seafloor sediments along the Arabian Sea and the Andaman Sea continental shelves: First insight on the occurrence, identification, and characterization
This first study of seafloor sediment microplastics on the Arabian Sea and Andaman Sea continental shelves found plastic particles across all sampled stations, with fiber and fragment shapes dominated by polyethylene and polypropylene, establishing a baseline for these deep-margin environments.
Preliminary Study on Abundance of Microplastic in Sediments and Water Samples Along the Coast of Pakistan (Sindh and Balochistan)-Northern Arabian Sea
Researchers found high levels of microplastic contamination along 25 locations on Pakistan's Arabian Sea coastline, with mean concentrations of 582 particles/L in seawater and 987 particles/kg in sediment, and fibers comprising up to 99% of all detected microplastics.
Abundances and characteristics of microplastics in core sediments of the Persian Gulf coast, Iran
Researchers sampled coastal sediments in Iran's Persian Gulf and found microplastics — including polystyrene, polyethylene, and PVC — at all six sites and at every depth down to 30 cm, averaging nearly 118 particles per kilogram of dry sediment. Fibers and fragments dominated, pointing to widespread plastic contamination from local waste mismanagement in this tidal ecosystem.
Occurrence and abundance of macro, meso and microplastics along the coasts of the Persian Gulf (case study: Bushehr Province coast)
This survey of 17 coastal stations in Iran's Bushehr Province on the Persian Gulf documented widespread plastic pollution at macro, meso, and microplastic scales, with fibers making up the majority and fragments under 500 micrometers being most common. Polyethylene, polystyrene, PET, and nylon were the dominant polymer types identified by infrared analysis. The Persian Gulf is a semi-enclosed, heavily industrialized sea, and this data establishes baseline contamination levels needed to track how pollution changes over time.
Assessing microplastic pollution in coastal sediments of the Oman Sea: ecological risk and land-use linkages
A survey of coastal sediments along the Oman Sea shoreline near Chabahar, Iran, found microplastic concentrations varied dramatically by land use—commercial port and market areas had up to 161 particles per 100 grams of sediment, while remote mangrove forests had as few as 6 particles per 100 grams. Fibers and fragments of polyethylene, polypropylene, and nylon were most common. The clear gradient from urbanized to natural areas confirms that human activity is the primary driver of coastal microplastic accumulation, and that mangrove ecosystems—despite their ecological importance—are not immune to plastic contamination.
Comprehensive assessment of microplastic contamination and ecological risks in mangrove sediments along the coasts of the Persian Gulf and Gulf of Oman
Microplastic contamination in mangrove sediments along the Persian Gulf and Gulf of Oman coasts was characterized, revealing widespread pollution dominated by fibers and fragments, with ecological risk assessments indicating moderate to high risk levels across multiple sites.
Characteristics, behaviour and fluxes of microplastics in the coastal boundary zones of the Persian Gulf and Oman Sea
This study characterized the behavior and fluxes of microplastics in the coastal boundary zone, tracking how MPs move between nearshore waters, beach sediments, and the open sea under different hydrodynamic conditions.
Microplastic occurrence in finfish and shellfish from the mangroves of the northern Gulf of Oman
This study assessed microplastic pollution in finfish and shellfish from mangrove habitats in the northern Gulf of Oman, finding the highest prevalence in crabs, with fragments and fibers as the dominant particle types, confirming microplastic contamination in ecologically important coastal ecosystems.
The occurrence of microplastic contamination in littoral sediments of the Persian Gulf, Iran
Researchers surveyed littoral sediments of the Persian Gulf for microplastics, finding plastic particles across all sampling sites with a variety of polymer types. The study provides early baseline contamination data for a region with major petrochemical and industrial activity.
Marine litter and microplastic pollution in mangrove sediments in the Sea of Oman
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.
Microplastics in coastal environments of the Arabian Gulf
Researchers surveyed beaches and sea surface stations along the coast of Qatar in the Arabian Gulf and found microplastics — predominantly blue polyethylene and polypropylene fibers — in all sediment and seawater samples. The study documents that microplastic pollution is a problem in the Arabian Gulf region, not just in the North Atlantic or Pacific.
Exploring the microplastic pollution: Unveiling origins and varieties in coastal sediments and waters of the Bushehr Province, Persian Gulf, Iran
Researchers conducted a comprehensive survey of microplastic pollution in coastal sediments and waters along the Persian Gulf in Iran. They found microplastics at all sampling sites, with the highest concentrations near petrochemical facilities and urban centers, and fibers being the most common type. The study establishes baseline pollution data for the region and links contamination levels to specific human activities.
Presence, Spatial Distribution, and Characteristics of Microplastics in Beach Sediments Along the Northwestern Moroccan Mediterranean Coast
Researchers surveyed fourteen beaches along the northwestern Moroccan Mediterranean coast and found microplastics in every sediment sample, averaging about 59 particles per kilogram of dry sand. Fibers were the dominant shape at nearly 78%, with tourism, fishing, and wastewater discharges identified as the most likely pollution sources. The findings indicate moderate but widespread microplastic contamination along this coastline.
Occurrence and spatial distribution of microplastics in sediments from Norderney
Researchers surveyed sediments from Norderney in the North Sea and found widespread microplastic contamination, documenting spatial distribution patterns and particle characteristics across this tidally influenced coastal environment.
Sampling and Analysis of Microplastics in the Coastal Environments of Sri Lanka: Estuaries of the Kelani River to Mahaoya
Microplastics were found in both beach sediments and coastal seawater along 42 kilometers of Sri Lanka's western coastline, with polyethylene, polypropylene, and polystyrene being the most common types. The results document significant plastic contamination along the coast of a densely populated South Asian nation, raising concerns about exposure for coastal communities and marine life in the Indian Ocean region.
Characterization of microplastic and mesoplastic debris in sediments from Kamilo Beach and Kahuku Beach, Hawai'i
Researchers characterized nearly 49,000 large microplastic and mesoplastic particles (0.5–8 mm) hand-picked from two Hawaiian beaches, finding white/transparent fragments were most abundant (72%) and that polyethylene and polypropylene dominated polymer types as confirmed by Raman spectroscopy.
Microplastic pollution in oyster bed ecosystems: An assessment of the northern shores of the United Arab Emirates
Researchers measured microplastic contamination in oysters and surrounding sediments at five sites along the UAE coastline, finding microplastics in all sediment samples and more than half of oyster samples — with plastic fibers making up 93% of particles found. The study is the first of its kind in the region and highlights potential risks to marine food webs and seafood safety.