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20 resultsShowing papers similar to Characteristics of microplastics in different matrices in Jiaozhou Bay, China
ClearCharacteristics 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.
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.
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.
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.
[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.
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.
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.
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.
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.
Holistic assessment of microplastics in various coastal environmental matrices, southwest coast of India
A comprehensive assessment of microplastic pollution along the southwest coast of India analyzed multiple environmental matrices including water, sediments, and biota, finding plastic contamination throughout coastal systems. The holistic approach revealed how microplastics move through coastal food webs and identified fishing and tourism activities as key local sources.
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.
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.
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.
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.
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.
Assessing the Impact of Microplastic Pollution on Coastal Ecosystems: a Multidimensional Environmental Approach
This review presents a comprehensive multidimensional analysis of microplastic pollution in coastal ecosystems, covering sources, distribution pathways, ecological effects on marine organisms, and implications for environmental management. The authors draw on recent interdisciplinary research to assess how microplastics infiltrate nearly every ecological compartment from coastal waters to ocean sediments and interact with biological and chemical systems.
Influence of environmental and anthropogenic factors on the composition, concentration and spatial distribution of microplastics: A case study of the Bay of Brest (Brittany, France)
Researchers surveyed microplastic concentrations in surface water and sediment at nine locations across the Bay of Brest, France, and found that pollution levels were highest near population centers and wastewater outfalls. The study identified both polymer types and size distributions, helping to trace the sources of microplastic contamination in this coastal bay.
Tracing Land-Based Microplastic Sources in Coastal Waters of Zhanjiang Bay, China: Spatiotemporal Pattern, Composition, and Flux
Researchers measured the spatiotemporal pattern, polymer composition, and flux of land-based microplastics entering Zhanjiang Bay, China through estuaries and sewage outlets across three seasons, finding an overall mean of 18 MPs per liter with highest concentrations during normal-flow seasons. Fiber-dominated MP assemblages from textile sources comprised the largest fraction transported to coastal waters.
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 pollution in Chinese bays: Sampling method comparisons, key drivers, and economic influence
Researchers compiled microplastic data from over 300 sampling stations across 13 bays in China and compared three different water sampling methods. They found that microplastic distribution was heterogeneous across bays and that sampling method significantly affected measured abundance, though not the types of polymers detected. The study also found a positive correlation between regional economic development and microplastic pollution levels, suggesting that human activity intensity is a key driver of coastal contamination.