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61,005 resultsShowing papers similar to Microplastic contaminants in the sediment of the north coasts of the Persian Gulf and Gulf of Oman
ClearOccurrence and spatial distribution of microplastics in the intertidal sediments along the Oman Sea
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.
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.
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.
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.
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.
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.
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.
Occurrence and spatial distribution of microplastics in sediment and fish along the Persian Gulf—a case study: Bushehr Province, Iran
Researchers investigated microplastic contamination in sediments and fish across 16 stations along the Bushehr Province coastline in the Persian Gulf, finding a mean abundance of 57.19 particles/kg in sediments — dominated by black fragments — and up to 9 microplastic particles per fish, with black particles again most prevalent.
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.
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.
Microplastic particles in sediments and waters, south of Caspian Sea: Frequency, distribution, characteristics, and chemical composition
Researchers assessed microplastic occurrence in coastal sediments and surface waters along the southern Caspian Sea coast in Iran, finding mean concentrations of 15 items/kg in sediments and 710 items/m3 in coastal water. Fibers dominated at 97% of all MPs in both media and were predominantly black-colored, with smaller particles more prevalent in water than sediments.
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.
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.
Assessing the relationship between the abundance of microplastics in sediments, surface waters, and fish in the Iran southern shores
Researchers found microplastic contamination across sediments, surface waters, and four fish species along Iran's Persian Gulf coast, with concentrations of 190 items/kg in sediments and 9.28 items/km in surface waters, though no correlation was observed between MP abundance across the different environmental compartments.
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.
Spatial distribution of microplastics in Persian Gulf marine environments
A spatial survey of microplastics in Persian Gulf marine sediments found widespread contamination, with concentrations varying by location and depth. The study adds to evidence that the Gulf's semi-enclosed, heavily trafficked waters are a significant repository for microplastic pollution.
Small microplastic particles (S-MPPs) in sediments of mangrove ecosystem on the northern coast of the Persian Gulf
Small microplastic particles were documented in mangrove ecosystem sediments along the northern Persian Gulf coast, with polymer types and contamination levels reflecting regional plastic use and ocean current transport patterns. The study adds to evidence that mangrove sediments in the Middle East are accumulating microplastic pollution, threatening these ecologically important coastal habitats.
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.
Spatial Distribution of Microplastics in Persian Gulf Marine Environments
Researchers examined the spatial distribution of microplastics in seawater, sediments, and fish (Pennahia anea) from eight locations across the Persian Gulf, analyzing 24 seawater samples, 24 sediment samples, and 40 fish specimens using stereo microscopy and Raman spectroscopy. The study maps MP contamination patterns across multiple environmental compartments in this semi-enclosed sea.
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.
Plastic debris and microplastics along the beaches of the Strait of Hormuz, Persian Gulf
Researchers surveyed microplastic abundance along beaches of the Strait of Hormuz in the Persian Gulf, finding concentrations that reflected local anthropogenic activity levels — up to 1,258 particles per kg at the most industrialized site — with fibers dominating and polyethylene, nylon, and PET as the most common polymers.
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.
Microplastics contamination in molluscs from the northern part of the Persian Gulf
Researchers analyzed microplastic contamination in five species of mollusks from the northern Persian Gulf, including both gastropods and bivalves with different feeding strategies. They found microplastics in all species, with concentrations ranging from 0.2 to 21 particles per gram of soft tissue, and fibers were the most common type. The study indicates that microplastic contamination is widespread in Persian Gulf seafood and that filter-feeding organisms tend to accumulate more particles.
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.