Papers

61,005 results
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Article Tier 2

Impact of treated sewage on meiobenthic nematodes: a case study from the Tunisian Refining Industries Company

This study assessed how treated sewage discharge from an industrial refinery in Tunisia affected the diversity and health of small benthic worms (nematodes) in a coastal bay. Nematode communities are sensitive biological indicators of water quality, and their disruption can signal pollution that may include microplastics from industrial effluents.

2021 Brazilian Journal of Biology 7 citations
Article Tier 2

Seasonal and spatial variations in microplastics abundances in St. Andrew Bay, Florida

Researchers found significant seasonal and spatial variations in microplastic abundances in coastal sediments of St. Andrew Bay, Florida, with wastewater treatment plant effluent identified as a major contributor to the approximately 25% of marine microplastics originating from such facilities.

2022 The Science of The Total Environment 20 citations
Article Tier 2

Influence of wastewater treatment plants and water input sources on size, shape, and polymer distributions of microplastics in St. Andrew Bay, Florida, USA

Researchers found that wastewater treatment plant outflows in St. Andrew Bay, Florida significantly influence the size, shape, and polymer composition of microplastics, with smaller polypropylene fragments dominating near discharge points.

2023 Marine Pollution Bulletin 31 citations
Article Tier 2

Taxonomic Composition Change after Environmental Levels Addition of Polyethylene Microplastic (PE-MPs) to Mediterranean Sediment: Case Study of Bizerte Lagoon Nematodes Communities

Researchers investigated how environmentally relevant concentrations of polyethylene microplastics affect nematode community composition in Mediterranean lagoon sediments, documenting taxonomic shifts in these microscopic worms that serve as indicators of sediment health.

2024 Journal of Zoological Research
Article Tier 2

Nematode functional traits and community structure change from river to the terrestrial border in Segara Anakan Mangrove, Indonesia

This study examined the spatial distribution of nematode functional traits and community structure across a mangrove ecosystem in Indonesia, from river to terrestrial border. Nematode communities are sensitive biological indicators of environmental health, including the effects of microplastic contamination in marine sediments.

2023 Biodiversitas Journal of Biological Diversity
Article Tier 2

Effect of Wastewater Treatment Plants on Microplastics in Mussels and Their Surrounding Environment

Mussels and surrounding water near two wastewater treatment plant outfalls in Europe were monitored for microplastic contamination, finding that WWTP discharges elevated both environmental concentrations and mussel body burdens.

2024
Article Tier 2

Ecosystem Effects and Magnitude of Microplastics Pollution in St. Andrew Bay, Florida

This study quantified microplastic pollution in St. Andrew Bay, Florida, examining inputs from wastewater treatment plants and other coastal sources. The research documented ongoing daily microplastic deposition into this coastal system and characterized its sources and spatial distribution.

2024 DigiNole (Florida State University)
Article Tier 2

Microplastics in Florida, United States: A Case Study of Quantification and Characterization With Intertidal Snails

Researchers quantified and characterized microplastic contamination in Florida coastal waters using intertidal snails as indicator organisms, documenting the extent of MP pollution along beaches that are subject to heavy tourism and hurricane disturbance.

2021 Frontiers in Ecology and Evolution 26 citations
Article Tier 2

Structure and diversity of earthworm communities in long-term irrigated soils with raw effluent and treated wastewater

This study compared earthworm communities in soils irrigated with raw versus treated wastewater, finding differences in species diversity and abundance. Earthworms are sensitive to soil pollutants including microplastics, and their communities can reflect the health of agricultural soils irrigated with potentially contaminated water.

2023 Water Science & Technology 2 citations
Article Tier 2

Concentration-Dependent Impacts of Microplastics on Soil Nematode Community in Bulk Soils of Maize: Evidence From a Pot Experiment

Researchers found that polypropylene microplastics altered soil nematode community composition in a concentration-dependent manner, reducing bacterivore abundance and shifting the soil food web structure, indicating disrupted soil ecological functioning in agricultural settings.

2022 Frontiers in Environmental Science 21 citations
Article Tier 2

A holistic approach on the impact of microplastic discharge from WWTPs to the neighboring environment in Southeast Spain

Researchers conducted a comprehensive study of microplastic release from wastewater treatment plants into surrounding marine sediments, coastal sediments, and fish near Cartagena, Spain. The study found microplastics present in all marine sediment samples and in fish tissue, demonstrating how treatment plants serve as pathways for microplastic contamination of nearby coastal environments.

2023 Water Research 10 citations
Article Tier 2

Abundance and Diversity of Polychaete Worms in Kapuas Estuary, West Kalimantan

This paper is not about microplastics — it surveys polychaete worm diversity and abundance in the Kapuas estuary as an indicator of organic pollution.

2023 JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS
Article Tier 2

Microplastics increase impact of treated wastewater on freshwater microbial community

Microplastic particles added to treated wastewater effluent amplified the impact on freshwater microbial communities compared to effluent alone, disrupting both bacterial community composition and functional processes. The study suggests that microplastics in treated wastewater discharge may compound the ecological harm caused by residual effluent contaminants on receiving water microbiology.

2017 Environmental Pollution 263 citations
Article Tier 2

Community dynamics and functional traits drive microplastic sequestration by marine nematodes

Researchers ran short- and long-term microcosm experiments to investigate how marine nematode communities interact with microplastics in benthic sediments, finding that meaningful particle sequestration only occurred at very high MP densities and was driven primarily by opportunistic non-selective feeders, while community-level impacts on nematode structure paradoxically appeared most severe at low MP concentrations.

2026 Discover Oceans
Article Tier 2

Are wastewater treatment plants as the source of microplastics in surface water and soil?

Researchers investigated the relationship between microplastic contamination in wastewater treatment plants (WWTPs) and in nearby surface water and soil, finding that while WWTPs effectively remove most microplastics, they still contribute to surrounding environmental contamination.

2023 Journal of Hazardous Materials 25 citations
Article Tier 2

>b/b<: distribution and levels of contamination on the benthic biodiversity

Researchers assessed environmental health of sandy beaches by measuring microplastic distribution and contamination levels in biological communities, finding that MP abundance correlated with beach use intensity and the presence of nearby stormwater outfalls.

2025
Article Tier 2

Suitability of Free-Living Marine Nematodes as Bioindicators: Status and Future Considerations

This review examines how free-living marine nematodes have been used for over 40 years as biological indicators of ocean pollution, particularly for heavy metals and hydrocarbons. Researchers highlight their potential as bioindicators for microplastic contamination, an understudied class of pollutants threatening global biodiversity. The study calls for improved international collaboration and standardized methods to expand the use of these organisms in monitoring marine environmental health.

2021 Frontiers in Marine Science 116 citations
Article Tier 2

Organic enrichment can increase the impact of microplastics on meiofaunal assemblages in tropical beach systems

Researchers found that organic enrichment amplifies the negative impact of microplastics on meiofaunal assemblages in tropical beach sediments, with combined pollution causing greater diversity loss than either stressor alone.

2021 Environmental Pollution 30 citations
Article Tier 2

Microplastics in Tampa Bay, Florida: Abundance and variability in estuarine waters and sediments

This study provided the first systematic measurements of microplastic abundance and distribution in Tampa Bay, Florida, finding microplastics in both surface water and sediments throughout the estuary, with higher concentrations near urban areas. The data establish baseline contamination levels for one of Florida's largest estuaries and identify stormwater and wastewater as key sources.

2019 Marine Pollution Bulletin 168 citations
Article Tier 2

Microplastics in mangrove and beach sediments on southeast Florida barrier islands

Researchers quantified and characterized microplastic abundance, distribution, and variation in estuarine mangrove and beach sediments across southeast Florida barrier islands. The study aimed to improve understanding of microplastic hazards in these coastal ecosystems to support conservation efforts for mangrove and beach environments.

2025 Shore & Beach
Article Tier 2

Microplastic abundance in beach sediments of the Kiel Fjord

Researchers assessed microplastic abundance in beach sediments at three sites in Kiel Fjord, Germany, finding plastics at all locations including one near a sewage treatment plant. The study highlights how multiple sources — recreational use, wastewater discharge, and plastic litter — contribute to microplastic accumulation in coastal sediments.

2021 Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research)
Article Tier 2

In Situ Effects of a Microplastic Mixture on the Community Structure of Benthic Macroinvertebrates in a Freshwater Pond

Researchers conducted an in situ mesocosm experiment adding a realistic microplastic mixture to freshwater pond sediments and monitored benthic macroinvertebrate communities over time, finding that MP exposure shifted community composition and reduced taxonomic richness at environmentally relevant concentrations.

2021 Environmental Toxicology and Chemistry 31 citations
Article Tier 2

Treated wastewater disturb the distributions of microplastics in their receiving watersheds

Researchers sampled surface water and sediment upstream and downstream of a petrochemical and a municipal wastewater treatment plant, finding that treated effluent consistently elevated microplastic abundances downstream, with petrochemical effluent increasing microplastic diversity and municipal effluent increasing fiber and narrow particle fractions.

2025 Journal of Environmental Management
Article Tier 2

The distribution and ecological effects of microplastics in an estuarine ecosystem

Researchers surveyed 22 intertidal sites and found that microplastic abundance, size, and diversity correlated with benthic microalgal communities and sediment biostabilization properties in an estuarine ecosystem.

2021 Environmental Pollution 36 citations