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61,005 resultsShowing papers similar to Assessment of microplastics contamination in selected coral species from Kuantan coastal waters off the South China Sea
ClearAbundance and Characteristics of Microplastics in Coral Reefs at Penimbangan Waters
Researchers assessed microplastic abundance and characteristics in coral reef tissues and sediments at Penimbangan Beach, finding MPs in all 12 coral samples analyzed. Fiber and fragment types dominated, with polymers matching common fishing and packaging materials, reflecting local pollution inputs to the reef ecosystem.
Assessment of microplastic pollution in corals, seawater, and marine sediments in the Gulf of Thailand
Researchers assessed microplastic occurrence, abundance, and characteristics in coral, seawater, and sediment samples from two reef sites in the Gulf of Thailand, detecting microplastics in all coral samples at concentrations ranging from 0.24 to 2.60 particles per gram and finding spatial variability across reef species and sites.
Microplastic pollution in tropical coral reef ecosystems from the coastal South China Sea and their impacts on corals in situ
Researchers studied microplastic contamination in coral reef ecosystems off southern China, finding plastic particles in seawater, sediment, corals, shellfish, and fish. Different coral species absorbed microplastics at different rates, with smaller particles penetrating deeper into coral tissue. Since coral reefs support fisheries and coastal communities, this contamination could affect both marine ecosystems and the seafood that people eat.
Species-specific microplastic enrichment characteristics of scleractinian corals from reef environment: Insights from an in-situ study at the Xisha Islands
Microplastics were detected in seawater, sediment, and three scleractinian coral species at five atolls in the Xisha Islands, with average seawater concentrations of 9.5 particles per liter and species-specific differences in microplastic enrichment patterns observed.
Abundance of microplastics and its ecological risk assessment in coral reef regions of Peninsular Malaysia
Researchers surveyed microplastic contamination in surface waters around coral reef regions of Peninsular Malaysia. They detected microplastics at all sampling sites, with the Perhentian Islands showing significantly higher levels than Tioman Island, likely due to oceanographic differences. Small fragments and fibers of polyethylene and polypropylene were the most common types found, providing baseline data on microplastic pollution in these sensitive reef ecosystems.
Abundance and Characteristics of Microplastics in Seawater and Corals From Reef Region of Sanya Bay, China
Researchers quantified microplastic abundance in seawater and coral samples from Sanya Bay, China, finding 15-22 items per liter in seawater and up to 3.6 items per coral polyp, with fibers and fragments as the predominant particle types in reef ecosystems.
Microplastics in coral from three Mascarene Islands, Western Indian Ocean
Researchers compared microplastic concentrations, morphotypes, sizes, colors, and polymer compositions across six coral genera from three remote Mascarene Islands in the western Indian Ocean over a 1200 km transect. Microplastics were detected in all coral genera across all islands, with polymer types and concentrations reflecting both local and long-range ocean transport of plastic debris.
Contamination of microplastics in tropical coral reef ecosystems of Sri Lanka
Researchers investigated microplastic contamination across ten coral reef ecosystems in Sri Lanka, finding microplastics in corals, water, and sediments with fibers and fragments being the dominant types, representing a previously unquantified threat to tropical reef systems.
Differential enrichment and physiological impacts of ingested microplastics in scleractinian corals in situ
Researchers found microplastics in scleractinian corals along the east coast of Hainan Island in the South China Sea, with average concentrations of 4.97 particles per square centimetre in coral tissue, alongside contamination in Tridacnidae, Trochidae, and fish intestines. The characteristics of microplastics in organisms differed from those in surrounding seawater and sediment, indicating selective enrichment during ingestion.
Reef‐building corals act as long‐term sink for microplastic
Coral reef structures were shown to act as long-term sinks for microplastics, with microplastics accumulating in reef framework interstices and sediments at higher concentrations than surrounding seawater, potentially contributing to the resolution of the missing plastic problem in ocean budgets.
Microplastics in the Coral Reef Systems from Xisha Islands of South China Sea
Researchers surveyed microplastic distribution in seawater, fish, and corals across three atolls in the Xisha Islands of the South China Sea. They found microplastics present in all sample types, with lagoons showing the highest water concentrations and fibrous rayon and polyethylene being the dominant polymer types. The findings indicate that even relatively remote coral reef systems are contaminated with microplastics, which may threaten reef health.
Characteristic and histological evidence of microplastic in scleractinian corals of Java Sea
Microplastics were detected in seawater, sediments, and scleractinian coral colonies in the Java Sea, with histological evidence confirming MP uptake by coral tissue, raising concerns about microplastic impacts on reef health in this heavily impacted region.
Occurrence and characteristics of microplastics in the coral reef, sea grass and near shore habitats of Rameswaram Island, India
Researchers compared microplastic occurrence and characteristics alongside heavy metal contaminants in water and sediment across coral reef, seagrass, and nearshore habitats of Rameswaram Island, India, finding mean concentrations ranging from 24 to 96 items/L and identifying habitat-specific differences in contamination profiles.
Spatial distribution of microplastics abundance along selected beaches in Kelantan, Malaysia / Muhammad Zakwan Anas Abd Wahid ... [et al.]
Researchers sampled microplastics from ten beach locations across Kelantan, Malaysia using FTIR spectroscopy and geospatial analysis to characterize spatial distribution. Microplastics were widespread across all sites, with natural coastal dynamics and human activities identified as key drivers of their abundance and distribution along the Malaysian coastline.
Deposition characteristics of microplastics in coral reef fish with different feeding habits from the Xisha Islands Waters, South China Sea
Researchers examined microplastic contamination in the gills and gastrointestinal tracts of 96 coral reef fish from the South China Sea, finding that nearly 98% of sampled fish contained microplastics. Fibers were the most common shape, with most particles smaller than 1 mm, and the predominant polymers were PET, PE, and PP. The study found that herbivorous fish had higher microplastic content than omnivorous or carnivorous species, likely because they feed primarily on microplastic-polluted coral reefs.
Microplastic contamination in Saccostrea cucullata: a baseline study along the rocky shore in southwest area of Peninsular Malaysia off Strait of Malacca
Rock oysters (Saccostrea cucullata) from eight rocky shores along the Strait of Malacca, Peninsular Malaysia were analyzed for microplastic contamination, finding that 58.5% of detected particles were identified as synthetic polymers by ATR-FTIR. The study established a baseline for microplastic contamination in this sessile filter feeder along a heavily trafficked shipping route.
Distribution characteristics of microplastics in Zhubi Reef from South China Sea
Microplastic abundance and distribution were measured at Zhubi Reef in the South China Sea, finding concentrations of 1,400–8,100 items/m² of surface water—much higher than other ocean areas—with fibers, pellets, polypropylene, and polyamide as dominant types. The study documents elevated microplastic contamination at a South China Sea reef ecosystem under increasing human pressure.
Microplastic pollution and risk assessment around coral reefs of the Eastern Part, Thailand
This study assessed microplastic pollution and ecological risk in sediments and water around coral reefs in the Eastern Pacific, finding microplastic concentrations elevated near human activity and identifying polymer types associated with fishing gear and land-based plastic waste.
Occurrence and Composition of Microplastics in the Seabed Sediments of the Coral Communities in Proximity of a Metropolitan Area
Benthic sediment samples from four sites adjacent to coral communities in Hong Kong were analyzed for microplastics, finding concentrations of 169–221 items/kg with polyethylene and polypropylene fragments dominant. The study documents significant microplastic contamination in sediments surrounding coral communities in a heavily urbanized coastal city.
The abundance of microplastics in coral reef ecosystems in the waters of Krueng Raya, Aceh Besar
Researchers measured microplastic abundance in sediment from coral reef ecosystems at three sites in Krueng Raya waters, Aceh Besar, Indonesia, and evaluated correlations between MP abundance and live coral cover. Microplastics were found at all three sites, with the study providing baseline data on MP contamination in Indonesian coral reef habitats.
Occurrence And Abundance Of Microplastics In Coral Reef Sediment: A Case Study In Sekotong, Lombok-Indonesia
Microplastics were found in coral reef sediments in Sekotong, Lombok, Indonesia, with possible contributions from ocean current transport through the Indonesian Throughflow. The findings highlight that microplastic contamination has reached Indonesia's coral reef ecosystems, which are among the most biodiverse on Earth.
Microplastics analysis in Malaysian marine waters: A field study of Kuala Nerus and Kuantan
Researchers conducted the first detection of microplastics in Malaysian marine waters at Kuala Nerus and Kuantan, identifying plastic types and concentrations in surface waters from two sites representing different levels of anthropogenic activity.
Microplastic pollution around remote uninhabited coral reefs of Nansha Islands, South China Sea
Microplastics were detected in surface waters surrounding remote uninhabited coral reefs in the South China Sea's Nansha Islands, with polypropylene and polyethylene fibers from fishing gear likely the dominant source. Although concentrations were relatively low compared to coastal areas, the authors stress that even remote reef ecosystems are not protected from plastic contamination.
Impacts of microplastics on scleractinian corals nearshore Liuqiu Island southwestern Taiwan
Researchers found microplastics in three genera of wild corals near Liuqiu Island, Taiwan, with abundances up to 0.95 items per gram dominated by blue rayon fibers, and observed that low coral cover (12.5%) at the most tourism-impacted site corresponded with the highest microplastic concentrations in water, sediment, and coral tissue. Enrichment factors of 25-283 times above surrounding seawater indicate corals are significant accumulators of microplastics in reef environments.