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20 resultsShowing papers similar to Characteristics of microplastics in different media in Jiaozhou Bay, China
ClearCharacteristics 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.
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.
Vertical distribution of microplastics in bay sediment reflecting effects of sedimentation dynamics and anthropogenic activities
Researchers studied the vertical distribution of microplastics in sediment cores from the semi-enclosed Jiaozhou Bay, China, finding six polymer types with distribution patterns reflecting historical changes in plastic production and local pollution sources. Sediment depth was found to correlate with the era of plastic contamination, providing a record of microplastic accumulation over time.
Microplastic pollution in the environment and organisms of Xiangshan Bay, East China Sea: An area of intensive mariculture
Researchers assessed microplastic pollution across water, sediment, and marine organisms in Xiangshan Bay, a major mariculture area in China, finding that intensive aquaculture in the enclosed inner bay concentrated microplastics and that fish ingested more particles than other organisms.
[Distribution Characteristics of Microplastics in Surface Water and Sediments of Haizhou Bay, Lianyungang].
Researchers characterized microplastic pollution in surface water and sediments of Haizhou Bay, a small-to-medium-sized inshore bay in Lianyungang, China, documenting the main polymer types, abundances, and spatial distribution patterns to fill a gap in knowledge about microplastics in smaller Chinese coastal environments.
Microplastic load of benthic fauna in Jiaozhou Bay, China
This study quantified microplastic load in benthic fauna from Jiaozhou Bay in China, finding that multiple invertebrate species ingested microplastics with concentrations influenced by feeding mode, habitat depth, and proximity to human activity, helping clarify factors controlling microplastic distribution in marine benthos.
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 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.
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.
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.
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.
Microplastic pollution in the Yangtze River Basin: Heterogeneity of abundances and characteristics in different environments
Researchers compiled microplastic data from 624 sampling sites across the Yangtze River Basin covering water, sediment, soil, and biota, revealing heterogeneous contamination patterns driven by local land use, population density, and wastewater infrastructure.
A review of microplastic pollution in seawater, sediments and organisms of the Chinese coastal and marginal seas
This review compiled microplastic abundance and characteristics data from seawater, sediments, and marine organisms across China's coastal and marginal seas, finding widespread contamination linked to China's extensive plastic production and mismanaged waste streams.
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.
Spatial and seasonal distribution of microplastics in various environmental compartments around Sishili Bay of North Yellow Sea, China
Researchers mapped the spatial and seasonal distribution of microplastics across multiple environmental compartments around Sishili Bay, China, finding distinct variation patterns in abundance and particle shapes between beach, river, water column, and sediment samples.
Microplastic pollution and ecological risk assessment of Yueqing Bay affected by intensive human activities
Scientists surveyed microplastic pollution in Yueqing Bay, China, finding contamination in seawater, sediments, and marine organisms, with mariculture and shipping identified as major sources. The pollution levels ranged from low to medium compared with other coastal areas, but the ecological risk assessment found concerning levels for certain plastic polymers. The study highlights how concentrated human activities along coastlines contribute to microplastic contamination of marine environments and the organisms people harvest for food.
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.
Microplastic volumes in Tokyo Bay
Researchers quantified microplastic volumes across multiple sites in Tokyo Bay, Japan, finding spatial variation linked to urban runoff and river inputs, with surface waters and sediments showing distinct accumulation patterns.
Coupling of microplastic contamination in organisms and the environment: Evidence from the tidal flat ecosystem of Hangzhou Bay, China
Researchers surveyed microplastic contamination across the tidal flat ecosystem of Hangzhou Bay, China, examining both sediment and organisms. They found that microplastic characteristics in organisms closely mirrored those in the surrounding environment, indicating a tight coupling between environmental and biological contamination. The study provides evidence that estuarine ecosystems serve as key pathways for terrestrial microplastics entering the ocean.
[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.