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61,005 resultsShowing papers similar to Microplastics in seawater and zooplankton: A case study from Terengganu estuary and offshore waters, Malaysia
ClearMicroplastics ingestion in zooplankton in tropical estuarine fronts of Terengganu, Malaysia
Researchers surveyed microplastic ingestion by zooplankton in a tropical estuary in Terengganu, Malaysia, sampling across plume, front, and shelf zones during monsoon season. They found that zooplankton across all zones had ingested microplastics, with fibers being the most common type detected. The findings highlight the risk of microplastic trophic transfer through the marine food chain starting at the zooplankton level in productive tropical estuaries.
Effect of monsoon on microplastic bioavailability and ingestion by zooplankton in tropical coastal waters of Sabah
Researchers measured seasonal variation in microplastic concentrations and zooplankton ingestion of microplastics in Sepanggar Bay, Malaysia, finding that monsoon-driven environmental changes significantly affect both microplastic bioavailability and uptake by zooplankton in tropical coastal waters.
Microplastic ingestion by zooplankton in Terengganu coastal waters, southern South China Sea
Microplastics were detected in zooplankton sampled from Terengganu coastal waters in the southern South China Sea, with ingested particles including fibers, fragments, and films of various polymer types. The study adds to evidence that zooplankton - a critical link in marine food webs - widely ingest microplastics across Southeast Asian coastal waters.
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.
Assessing Microplastic Contamination in Zooplanktonic Organisms from Two River Estuaries
Researchers assessed microplastic contamination in zooplankton sampled from two river estuaries, finding microplastics in a significant proportion of individual organisms from both sites. Fibre shapes dominated ingested plastics, and contamination levels were higher in the more urbanized estuary, indicating that land-based pollution inputs drive microplastic exposure in estuarine zooplankton.
Microplastic intrusion into the zooplankton, the base of the marine food chain: Evidence from the Arabian Sea, Indian Ocean
Microplastics were detected across diverse zooplankton groups in the Arabian Sea basin, with fiber-type particles most prevalent, demonstrating that microplastics have entered the base of the marine food chain in open ocean waters. The study establishes baseline contamination levels and highlights zooplankton as sentinels for microplastic pollution monitoring.
A review of plastic and microplastic pollution towards the Malaysian marine environment
This review examined plastic and microplastic pollution in the Malaysian marine environment, documenting contamination sources, distribution patterns, and ecological impacts on marine organisms while identifying research gaps and policy recommendations.
Microplastics in zooplankton in the eastern Arabian Sea: The threats they pose to fish and corals favoured by coastal currents
Researchers found that zooplankton including copepods, chaetognaths, decapods, and fish larvae across six zones along India's western coast in the Eastern Arabian Sea accumulated microplastics predominantly as pellets (52%), with coastal currents implicated in dispersing contamination to fish and coral reef ecosystems.
Zooplankton exposure to microplastic contamination in a estuarine plume-influenced region, in Northeast Brazil
Researchers examined microplastic contamination in estuarine plume waters off the coast of northeastern Brazil and its relationship with zooplankton. The study found significantly higher microplastic abundance during the high rainfall season, with fibers and fragments being the dominant types, and elevated concentrations in river plume areas compared to reef-adjacent waters, indicating land-based sources as major contributors.
Occurrence, abundance, and distribution of microplastics pollution: an evidence in surface tropical water of Klang River estuary, Malaysia
Researchers measured microplastic abundance, size, shape, and polymer type in surface water of the Klang River estuary in Malaysia — a highly urbanized waterway — finding concentrations among the highest reported in Southeast Asian estuaries, with industrial packaging materials and synthetic textiles as the dominant sources.
Microplastic pollution in tropical estuary gastropods: Abundance, distribution and potential sources of Klang River estuary, Malaysia
Researchers conducted a baseline study of microplastic abundance and distribution in gastropods from the Klang River estuary in Malaysia, finding concentrations ranging from 0.50 to 1.75 particles per gram and a predominance of fibres (91%) mostly in the 300-1000 µm size range. The higher microplastic loads in upper estuary samples near the urbanised river catchment indicated that terrestrial runoff was the primary source.
Status of Microplastic Accumulation in Water and Sediments of Selected Estuarine Ecosystem of Southern Kerala, India
Researchers measured microplastic levels in water and sediment from estuaries in southern Kerala, India, finding significant contamination in both habitats. The study identifies these coastal estuaries as accumulation zones for microplastic pollution, posing risks to local aquatic life and fishing communities.
Microplastics in Malaysia's Aquatic Environment: Current Overview and Future Perspectives
This review summarizes microplastic research across Malaysia's rivers, coastal waters, seafood, and sediments, finding widespread contamination in all aquatic environments studied. Fibers and fragments from everyday plastic products were the most common types found. The authors highlight that Malaysians face significant microplastic exposure through seafood consumption and call for better pollution monitoring and waste management policies.
Pervasive occurrence of microplastics in Hudson-Raritan estuary zooplankton
Researchers found microplastics in the majority of zooplankton samples collected across the Hudson-Raritan estuary, with fibers being the most prevalent particle type, indicating that estuarine zooplankton are extensively exposed to microplastic contamination and represent a pathway for plastic entry into the food web.
Evidence of microplastics in samples of zooplankton from Portuguese coastal waters
Researchers examined zooplankton samples collected from Portuguese coastal waters between 2002 and 2008 and found microplastics in a proportion of the samples, providing early retrospective evidence of microplastic contamination in Atlantic zooplankton. The study shows that plastic contamination of coastal zooplankton communities predates the recent surge of research attention.
Ingestion of Microplastics by Zooplankton in the Northeast Pacific Ocean
Researchers collected zooplankton from the northeast Pacific Ocean and found microplastics ingested by multiple species, demonstrating that microplastic uptake occurs throughout the open ocean zooplankton community far from coastlines.
Abundance And Distribution Of Plastic Debris In Beach Sediment And Seawater Of The Northern Straits Of Malacca
Researchers surveyed the abundance and distribution of macro-, meso-, and microplastic debris in beach sediments and seawater along the Northern Straits of Malacca in Malaysia, providing baseline contamination data relevant to the country's national roadmap toward reducing single-use plastics.
Biodisponibilidad y bioacumulación de microplásticos en el zooplancton marino de un área marina protegida del Caribe
Researchers evaluated microplastic bioavailability and bioconcentration across seven zooplankton taxonomic groups in a Caribbean Marine Protected Area, finding microplastic ingestion during two contrasting hydroclimate seasons using oblique net tows at twelve stations.
Abundant plankton-sized microplastic particles in shelf waters of the northern Gulf of Mexico
Researchers found abundant microplastic particles of plankton-like size in the waters of the northern Gulf of Mexico shelf, raising concerns about their potential to be ingested by zooplankton and higher trophic level species. The study highlights how semi-enclosed coastal seas can accumulate high concentrations of small plastic fragments.
Abundance and distribution of microplastics in tropical estuarine mangrove areas around Penang, Malaysia
This study documented microplastic pollution in tropical mangrove estuaries around Penang, Malaysia, finding thousands of plastic particles in both water and sediment samples. Concentrations were particularly high near the more urbanized Seberang Perai area, where sediment contained up to 4,000 particles per kilogram. The research highlights that tropical mangroves, which serve as important nursery habitats for marine life, are accumulating significant amounts of microplastic pollution.
Microplastic Pollution in Marine Waters: a Malaysian Perspective
This review summarized the current state of microplastic pollution research in Malaysian marine ecosystems, covering occurrence in ocean, coastal, and estuarine environments. Fibers, fragments, and films were found across all environments studied. The review identifies research gaps and calls for standardized monitoring protocols to support policy development in Malaysia.
Zooplankton exposure to microplastics at global scale: Influence of vertical distribution and seasonality
Researchers used a global ocean model to assess zooplankton exposure to microplastics, finding that exposure varies significantly with depth, season, and zooplankton vertical migration patterns, with highest concentrations in subtropical gyres and near coastal pollution sources.
Microplastic ingestion by commercial marine fish from the seawater of Northwest Peninsular Malaysia
Researchers examined microplastic ingestion by four species of commercially important marine fish caught off the northwest coast of Peninsular Malaysia. The study found microplastics in the gastrointestinal tracts of the fish, with fibers being the most common type, highlighting the prevalence of microplastic contamination in seafood from this region.
Ecology of microplastics contamination within food webs of estuarine and coastal ecosystems
This paper describes a methodology for studying how microplastics are distributed seasonally and spatially through an estuary food web, from zooplankton to demersal fish. Understanding the ecology of microplastic transfer in estuaries is essential for assessing human dietary exposure through seafood from these highly productive environments.