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61,005 resultsShowing papers similar to [Distribution Characteristics of Microplastics in Surface Water and Sediments of Haizhou Bay, Lianyungang].
Clear[Pollution Characteristics of Microplastics in Sediments of Xiamen Bay Beach].
Researchers collected layered sediment samples (0-30 cm depth) at high, mid, and low tide lines across five beaches in Xiamen Bay, China, characterising the horizontal and vertical distribution, abundance, and pollution characteristics of microplastics across 45 sediment samples.
Distribution characteristics of microplastics in the seawater and sediment: A case study in Jiaozhou Bay, China
Researchers surveyed microplastic pollution in the seawater and sediments of Jiaozhou Bay, a semi-enclosed bay in China heavily impacted by human activity. They found microplastic concentrations of 20 to 120 items per cubic meter in seawater and 7 to 25 items per kilogram in sediment, with fibers being the dominant shape and PET the most common polymer. The study found positive correlations between microplastic levels in water and sediment, and higher concentrations near areas with residual ocean currents.
Spatial distribution and risk assessment of microplastics in surface sediments in semi-enclosed waters: a case study of Laizhou Bay
Researchers conducted a comprehensive spatial analysis and risk assessment of microplastic contamination in surface sediments of Laizhou Bay, a semi-enclosed coastal water body in China. They characterized the distribution and composition of microplastics to assess threats to marine organisms and ecosystem health in this type of vulnerable coastal environment.
Microplastic Distribution and Influence Factor Analysis of Seawater and Surface Sediments in a Typical Bay With Diverse Functional Areas: A Case Study in Xincun Lagoon, China
Researchers assessed microplastic distribution in Xincun Lagoon in China, finding that different human activities such as tourism, fishing, and aquaculture directly influenced the type and level of microplastic pollution in seawater and sediments.
Characteristics of microplastics in different media in Jiaozhou Bay, China
Researchers characterized microplastics in water, sediment, and biological samples from Jiaozhou Bay in China, finding plastics across all environmental compartments. The study documents spatial variation in contamination and highlights the bay as a site of significant plastic accumulation linked to nearby urban and industrial activity.
[Characteristics of Microplastic Pollution in Sediment of Silty Coast in Culture Bay].
Microplastic characteristics and depth profiles were analyzed in deep sediments from a silty mudflat near a Haizhou Bay aquaculture area, providing rare data on vertical microplastic distribution in coastal sediment cores.
[Microplastic Pollution of the Beaches in Xiamen Bay, China].
Microplastics were found across beaches in Xiamen Bay, China, with fibers and fragments being most common and concentrations higher near urban and industrial areas. The findings add to growing evidence that microplastic contamination is widespread along China's heavily populated coastline.
Coastal zone use influences the spatial distribution of microplastics in Hangzhou Bay, China
Researchers characterized microplastic abundance, size, and polymer types in water, sediment, and biota across Hangzhou Bay, China, an area heavily influenced by human activities. The study found that different forms of coastal zone use, including mariculture, port activities, and urban development, significantly influenced the spatial distribution of microplastics in the region.
Characteristics of microplastics in different matrices in Jiaozhou Bay, China
Researchers characterized microplastics across multiple matrices (water, sediment, organisms) in Jiaozhou Bay, China to understand coastal pollution patterns. They found widespread microplastic contamination with distinct distribution profiles linked to coastal human activities and identified sources to support pollution mitigation strategies.
Microplastic pollution in North Yellow Sea, China: Observations on occurrence, distribution and identification
Researchers surveyed microplastic pollution across the North Yellow Sea, documenting their occurrence, distribution, and characteristics, and finding widespread contamination with higher concentrations in coastal areas and near river inputs.
Spatial distribution characteristics of microplastics in the seawater column and sediments of the artificial reef area and adjacent water in Haizhou Bay
Researchers measured microplastic abundance and distribution in seawater and bottom sediments across aquaculture, artificial reef, and adjacent areas of Haizhou Bay, China, finding that mean abundances in seawater were 7-10 particles per cubic meter and varied with water depth. Microplastic distribution was influenced by hydrodynamic conditions and the proximity to aquaculture and reef structures.
Occurrence and distribution of microplastics on recreational beaches of Haichow Bay, China
Microplastic occurrence and distribution were examined on recreational beaches of Haichow Bay, China, a heavily visited coastal area. The study found microplastics throughout the beach environment with patterns linked to beach use intensity, wave energy, and sediment type, establishing contamination data for a tourist-frequented coastline.
Factors influencing the occurrence and distribution of microplastics in coastal sediments: From source to sink
Researchers sampled microplastics from sediments of two semi-enclosed bays and two coastal open zones in China, finding that proximity to human activity and reduced hydrodynamic energy were the primary drivers of higher microplastic abundance, with Jinghai Bay showing the greatest contamination due to its enclosed geometry and adjacent urban inputs.
Accumulation of microplastics in a downstream area of a semi-enclosed bay: Implications of input from coastal currents
Researchers found that microplastic abundance in Haizhou Bay sediments ranged from 10.94 to 1,309 particles per kilogram, with intertidal zones containing more microplastics than supratidal areas and significant seasonal variation linked to coastal current dynamics. The findings highlight how semi-enclosed bay geometry concentrates microplastic accumulation downstream.
A systems analysis of microplastic pollution in Laizhou Bay, China
Researchers conducted a systems analysis of microplastic contamination across surface water, sediment, and living fish at 58 sites in Laizhou Bay, China, finding pervasive fiber-dominated microplastic distribution with no significant regional differences, suggesting multiple diffuse pollution sources throughout the semi-closed bay.
An integrated assessment of microplastic pollution in coastal surface water and sediment of Japan
Researchers conducted a comprehensive survey of microplastic pollution across 14 coastal locations around Japan from Hokkaido to Okinawa, measuring concentrations of 288.7 g/km2 in surface water and 1,185 kg/km2 in sediment and characterizing polymer types, shapes, and size distributions.
Microplastic Accumulation in Hong Kong’s Marine Sediment: Spatial Pattern and Potential Sources
Researchers conducted a comprehensive survey of microplastics in marine sediments across Hong Kong's waters. They found microplastics at every sampling site, with fibers and fragments being the most common forms and polypropylene and polyethylene the dominant plastics. The spatial patterns suggest that coastal urbanization and water circulation are key factors driving where microplastics accumulate in sediments.
Spatiotemporal distribution, source identification and inventory of microplastics in surface sediments from Sanggou Bay, China
Researchers measured the spatiotemporal distribution of microplastics in surface sediments from Sanggou Bay (an aquaculture area in China) across multiple seasons and identified fishing gear and aquaculture equipment as dominant local sources, estimating total plastic inventory in the bay.
Distribution and environmental risk assessment of microplastics in continental shelf sediments in the southern East China Sea: A high-spatial-resolution survey
Researchers conducted a high-spatial-resolution survey of microplastics in surface sediments across the southern East China Sea continental shelf, finding omnipresent contamination dominated by polyethylene fibers and fragments, with concentrations elevated near urban coastal areas.
Microplastic Contamination on the Beaches of South China
Researchers surveyed microplastic contamination across 14 beaches along the South China coast, finding microplastics ubiquitously present in sandy sediments, predominantly as small fragments under 1 mm, with distribution patterns linked to coastal urbanization and ocean current dynamics.
[Occurrence and Risk Assessment of Microplastics in the Coastal Seawater of Guangdong Province].
Researchers surveyed microplastic pollution in coastal seawater across nine bays and estuaries in Guangdong Province, China, characterizing particle distribution, composition, and potential sources. They found microplastics were present at all sampling sites, with fibers and fragments being the most common forms, primarily composed of polypropylene, polyethylene, and cellophane. The ecological risk assessment indicated moderate contamination levels, with higher pollution loads near urbanized and industrialized coastal areas.
Microplastic Contamination in Sediments of Xiamen Bay: Investigating Ecological Consequences
Microplastic contamination was assessed in sediments of Xiamen Bay, China, examining spatial and temporal distribution, ecological consequences for sediment biota, and human exposure pathways. Key risk factors were identified based on particle characteristics, with the study providing insights for managing microplastic impacts in this heavily urbanized coastal environment.
Coastal bays serve as reservoirs for microplastics from East China: insights from a mass budget model based on sedimentary findings
Researchers investigated sedimentary microplastics in three representative coastal bays of the Zhejiang Great Bay Area, China, and used a mass budget model to quantify sources and fluxes within each bay system. Riverine discharge accounted for 41.5%-96.7% of total microplastic input, with textile and fishing sources dominant in Hangzhou Bay, mariculture and tourism driving levels in Sanmen Bay, and packaging and agricultural sources prominent in Wenzhou Bay.
Microplastic pollution in surface seawater of Sanggou Bay, China: Occurrence, source and inventory
Researchers surveyed microplastic pollution in the surface seawater of Sanggou Bay, China, finding average abundances of 20.06 items per litre dominated by polyethylene fragments smaller than 0.5 mm, and estimating that approximately 62.76% of the microplastic inventory originated from local aquaculture and fishing activities.