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61,005 resultsShowing papers similar to Distribution characteristics of microplastics and corresponding feeding habits of the dominant shrimps in the rivers of Chongming Island
ClearDistribution Patterns and Human Exposure Risks of Microplastics in Dominant Wild Edible Shrimp: A Case Study of Haizhou Bay Marine Ranch
Researchers surveyed microplastic contamination in dominant wild shrimp species in Haizhou Bay, China, characterizing the types, sizes, and concentrations of MPs found in their bodies and assessing the human dietary exposure risks from consuming these economically important seafood species.
Microplastic contamination in the dominant crabs at the intertidal zone of Chongming Island, Yangtze Estuary
This study investigated microplastic contamination in dominant intertidal crabs (Chiromantes dehaani) at Chongming Island in the Yangtze Estuary, finding widespread microplastic ingestion in a species whose burrowing and bioturbation behaviors may redistribute plastics in sediment.
Distribution and diversity of microplastics along the aquatic food web in the largest mangrove reserve of China
Researchers surveyed microplastic contamination across the food web in China's largest natural mangrove reserve, examining fish, crabs, shrimp, and bivalves. They found that fish contained the most microplastics, and that organisms feeding indiscriminately accumulated more plastic particles than selective feeders. The study introduces a microplastic diversity index that reveals surprisingly complex contamination patterns across different species and trophic levels in mangrove ecosystems.
Occurrence and Characteristics of Microplastics in Wild and Farmed Shrimps Collected from Cau Hai Lagoon, Central Vietnam
Researchers measured microplastic occurrence in the gastrointestinal tracts and tissues of four shrimp species (two wild, two farmed) from a Vietnamese lagoon, finding microplastics in all species and providing baseline data on seafood plastic contamination for this region.
Investigating a probable relationship between the distribution of microplastics and crab burrows in the intertidal zone of Chongming Island, Yangtze Estuary
Researchers investigated the relationship between crab burrow distribution and microplastic accumulation in intertidal sediments of Chongming Island, finding that crab bioturbation activity influenced the spatial distribution of microplastics, suggesting that benthic fauna behavior plays an underappreciated role in microplastic redistribution.
Temporal and Spatial Distribution Characteristics of Microplastics and Their Influencing Factors in the Lincheng River, Zhoushan City, China
Researchers analyzed temporal and spatial distribution patterns of microplastics in the Lincheng River in Zhoushan, China, finding that microplastic abundance is influenced by seasonal runoff, land use, and proximity to urban and industrial sources before entering the ocean.
Low level of microplastic contamination in wild fish from an urban estuary
Researchers found low levels of microplastic contamination in 26 wild fish species from the Pearl River Estuary, South China, with abundance and polymer composition varying by species feeding strategy and habitat depth, suggesting that estuarine fish exposure depends substantially on ecological niche.
Microplastics in surface water and sediments of Chongming Island in the Yangtze Estuary, China
This study surveyed microplastic abundance and characteristics in surface water and sediments around Chongming Island in the Yangtze Estuary, China, finding widespread contamination with fibers and fragments dominating. The Yangtze Estuary serves as a major conduit for microplastics moving from freshwater to the marine environment.
Species-specific bioindicators of microplastic pollution in a shallow lake: Hydrological period drives benthic macroinvertebrate exposure in Baiyangdian Lake, China
Researchers studied microplastic accumulation in three benthic invertebrate species across seasons in Baiyangdian Lake, China, and found that biological factors like feeding behavior were more important than ambient microplastic levels in determining uptake. The study suggests that seasonal hydrology strongly influences microplastic exposure and recommends specific shrimp and crayfish species as sensitive bioindicators for monitoring microplastic pollution in freshwater ecosystems.
Ingestion and adherence of microplastics by estuarine mysid shrimp
Researchers investigated how estuarine mysid shrimp ingest and accumulate microplastics both internally and on their external body surfaces. The study found microplastics in the shrimp's bodies and fecal pellets, and feeding experiments revealed that these organisms readily consume plastic particles, raising concerns about microplastic transfer through marine food webs.
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.
Spatial-temporal distribution of microplastics in surface water and sediments of Maozhou River within Guangdong-Hong Kong-Macao Greater Bay Area
Researchers mapped the spatial and seasonal distribution of microplastics along the Maozhou River in China's Greater Bay Area. They found that microplastic concentrations were highest near industrial areas and downstream sites, with dry season levels significantly exceeding wet season levels. The dominant polymer types were polyethylene and polystyrene, and metals were detected on the surfaces of recovered microplastic particles.
Assessment of microplastic contamination in clams and shrimp from estuarine environments of Goa: implications for environmental health and food safety
Researchers examined clams and shrimp from estuarine environments in Goa, India, and found microplastics present in both species and their surrounding waters, with shrimp from one site showing particularly high contamination and bioaccumulation. The particles were predominantly polyamide, polyethylene, and polystyrene fibers and fragments, likely originating from fishing, tourism, and waste disposal activities. The findings raise concerns about food safety for local and tourist populations who regularly consume seafood from these coastal areas.
The influences of spatial-temporal variability and ecological drivers on microplastic in marine fish in Hong Kong
Researchers found that over 57% of marine fish in Hong Kong waters contained microplastics, with higher abundance in fish from more polluted western waters during the wet season, and that omnivorous fish ingested significantly more microplastics than carnivorous fish regardless of collection location or season.
Spatial variation of floatable plastic debris and microplastics in the Pearl River Estuary, South China
Researchers quantified and characterized microplastics and large plastic debris in surface water from the Inner Lingding Bay of the Pearl River Estuary, finding both types present at all sites with mean abundances of 2.376 and 0.110 items per square meter respectively, predominantly as fibers from multiple sources.
Abundance and characteristics of microplastics in the Wanquan River estuary, Hainan Island
Researchers characterized microplastic pollution in the Wanquan River estuary in Hainan Island, finding high abundances in both surface water and sediment, with fibers as the dominant shape and polyethylene as the primary polymer type.
Spatial Distribution, Key Influencing Factors, and Ecological Risk of Microplastics in Pearl River Estuary Water and Sediments
Researchers mapped the distribution of microplastics in the water and sediments of the Pearl River Estuary in China and identified the key factors driving contamination levels. Fibers were the most common microplastic type found, and human activity along the coast strongly influenced pollution patterns. The study also assessed ecological risks and provides a framework for understanding how microplastics accumulate in heavily populated estuarine environments.
Occurrence and Characteristics of Microplastic Pollution in Xiangxi Bay of Three Gorges Reservoir, China
Researchers surveyed Xiangxi Bay in the Three Gorges Reservoir and characterized microplastic occurrence and distribution, finding contamination throughout the bay with patterns influenced by local water circulation and sediment dynamics.
Microplastics in sediments of the Changjiang Estuary, China
Researchers sampled sediments in the Changjiang Estuary and found microplastics throughout, with concentrations and polymer types reflecting inputs from the Yangtze River and coastal human activities.
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.
Spatio-temporal comparison of neustonic microplastic density in Hong Kong waters under the influence of the Pearl River Estuary
Spatial and temporal surveys of microplastic density in Hong Kong surface waters found elevated concentrations near the Pearl River Estuary and seasonal variation linked to river discharge. The study provides empirical evidence that river outflow from China's Pearl River is a significant driver of coastal microplastic distribution in Hong Kong waters.
Microplastic characteristics in organisms of different trophic levels from Liaohe Estuary, China
Researchers collected organisms from multiple trophic levels at Liaohe Estuary, China, and measured microplastic ingestion across primary consumers, secondary consumers, and top predators, finding that MP abundance did not increase consistently with trophic level, suggesting complex feeding and depuration dynamics.
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.
Microplastic in tropical island estuaries in China: Source identification and management framework development
Researchers found surprisingly higher microplastic concentrations in the less-urbanized Wanquan River Estuary compared to the Nandu River Estuary in Hainan Island, China, suggesting that tourism and agricultural activities may contribute more significantly to microplastic pollution than urbanization alone.