Papers

61,005 results
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Article Tier 2

Investigation of microplastic ingestion in commercial fish from Surabaya river, Indonesia

Researchers examined microplastic contamination in commercial fish species from the Surabaya River in Indonesia, a major urban waterway used for both clean water supply and fisheries. They found microplastics present in all fish studied, with variations in abundance linked to feeding behavior and habitat. The findings raise concerns about food safety for communities that rely on river fish as a dietary staple.

2023 Environmental Pollution 23 citations
Article Tier 2

Microplastics Contamination in the Aquatic Environment of Indonesia: A Comprehensive Review

This review comprehensively summarized microplastic contamination across Indonesian aquatic ecosystems, finding widespread MP presence in rivers, bays, estuaries, beaches, seas, fish, and shellfish, with the highest contamination in water bodies near urban and industrial areas.

2021 Journal of Ecological Engineering 29 citations
Article Tier 2

Characteristics of Microplastics in Water and Fish and Their Relationship with Migration from the East Coast of Surabaya, Indonesia

Researchers characterized microplastic contamination in water and fish from the East Coast of Surabaya, Indonesia, finding approximately 0.46 particles/L in water with fragments (79.9%) and black-colored particles (20-40 µm) dominant, and detecting MPs in gills and digestive tracts of eight fish species.

2025 Egyptian Journal of Aquatic Biology and Fisheries
Article Tier 2

Assessment of Small-Scale Microplastics Abundance and Characterization in Urban River: A Case Study in Metro River, Indonesia

Researchers assessed microplastic contamination in the Metro River in Indonesia, finding that abundance and characteristics varied by land use type, with urban areas showing higher concentrations of fragments and fibers in this rapidly developing region.

2023 Journal of Engineering and Technological Sciences 9 citations
Article Tier 2

Identification of the Existence and Type of Microplastic in Code River Fish, Special Region of Yogyakarta

Researchers identified the presence and polymer types of microplastics in fish from the Code River in Yogyakarta, Indonesia, providing early evidence of microplastic contamination in riverine fish from this urban waterway.

2020 EKSAKTA Journal of Sciences and Data Analysis 24 citations
Article Tier 2

Microplastics Contamination in Wild Fish Caught from Urbanised Sepanggar River of Kota Kinabalu, Sabah

Researchers examined microplastic contamination in wild fish caught from the urbanized Sepanggar River in Malaysia, finding MPs in all sampled fish with polymer types consistent with urban runoff, domestic sewage, and fishing gear as dominant sources.

2025 Journal of Tropical Biology & Conservation (JTBC)
Article Tier 2

Microplastic contamination in water, sediment, and fish from the Kahayan River, Indonesia

Researchers assessed microplastic contamination in water, sediment, and fish from the Kahayan River in Central Kalimantan, Indonesia. They found microplastics present across all sample types, with fibers and fragments being the most common forms, and identified polyethylene and polypropylene as the dominant polymer types. The study provides the first baseline data on microplastic pollution in this region and highlights the widespread nature of contamination in Indonesian freshwater systems.

2024 Chemistry and Ecology 7 citations
Article Tier 2

Identifikasi Karakteristik dan Kelimpahan Mikroplastik Pada Sampel Air Kali Surabaya

This Indonesian study characterized microplastic abundance and types in water samples from the Kali Surabaya river in Surabaya. The urban waterway showed widespread plastic contamination, with sources linked to densely populated residential areas along the riverbanks.

2023 Environmental Pollution Journal
Article Tier 2

Distribution of microplastics in Surabaya River, Indonesia

Microplastics were found at all sampling depths in the Surabaya River, Indonesia, with surface waters having the highest concentrations and film-shaped large particles predominating. The study confirms that one of the world's most plastic-polluted rivers carries plastics throughout its water column, not just at the surface.

2020 The Science of The Total Environment 132 citations
Article Tier 2

The presence of microplastics in Surabaya coastal area and its correlation with conventional water quality parameters

Researchers measured microplastic presence in coastal waters of Surabaya, Indonesia, and examined correlations with marine biodiversity indicators. Elevated microplastic concentrations were associated with reduced diversity of benthic organisms at contaminated sites.

2024 IOP Conference Series Earth and Environmental Science 1 citations
Article Tier 2

First evidence of microplastics in the water and sediment of Surakarta city river basin, Indonesia

Researchers conducted the first assessment of microplastic contamination in the water and sediments of the Surakarta city river basin in Indonesia. They found that fragments and fibers were the dominant microplastic types, with over half of the particles smaller than one millimeter. The study identified polystyrene, polyester, polyamide, and silicone polymers, with blue and black particles being the most common colors in water samples.

2023 Marine Pollution Bulletin 34 citations
Article Tier 2

Analysis of Microplastics in Water and Biofilm Matrices in Metro River, East Java, Indonesia

Researchers detected microplastics in both water and biofilm matrices across three stations of the Metro River in East Java, Indonesia, with the industrial activity station showing the highest contamination, and fibers being the most common particle shape identified.

2022 The Journal of Experimental Life Sciences 7 citations
Article Tier 2

The concentration of microplastic in water and fish (Gambusia affinis) collected from Brantas River

Researchers measured microplastic concentrations in water and in the bodies of mosquitofish (Gambusia affinis) from the Brantas River in Malang, Indonesia, finding contamination in both. The study confirms that freshwater fish in Indonesian urban rivers are ingesting microplastics, raising concerns about human exposure through fish consumption.

2021 AIP conference proceedings 8 citations
Article Tier 2

Identifikasi Kelimpahan dan Karakteristik Mikroplastik pada Air Kali Mas, Kota Surabaya

This Indonesian study characterized microplastic abundance and type in water from the Kali Mas river in Surabaya. Plastic fragments and fibers were detected throughout the urban waterway, reflecting the impact of dense residential and commercial activity on local water quality.

2023 Environmental Pollution Journal 1 citations
Article Tier 2

Assessment of Microplastic Pollution in Surface Water within a Densely Populated Area of the Kranji River Basin in Purwokerto, Indonesia

Researchers assessed microplastic pollution in the surface water of the Kranji River Basin in Purwokerto, Indonesia, a densely populated urban area, characterising particle abundance, morphology, colour, and polymer type. The study documented widespread microplastic contamination and identified key sources associated with urban population density, waste management practices, and proximity to human settlements.

2025
Article Tier 2

Levels of Microplastics in Aquatic Ecosystem Components of the Kedung Ombo Reservoir, Central Java: Analysis of Water, Tilapia (Oreochromis mossambicus), Sediment, Macroalgae, and Gastropods

Researchers measured microplastic abundance and types in water, sediment, tilapia, macroalgae, and gastropods from the Kedung Ombo Reservoir in Central Java from September to December 2024. MPs were found across all five matrices, with fibers predominating and higher concentrations in sediment and biological samples near human settlements.

2025 Environment and Natural Resources Journal
Article Tier 2

Abundance and distribution of microplastics in Baturusa watershed of Bangka Belitung Islands Province

Scientists measured microplastic abundance and distribution in the Baturusa River watershed on Bangka Belitung Island, Indonesia, finding plastic particles at all sampling sites. Higher concentrations were found downstream and near populated areas, highlighting the role of human settlements in freshwater microplastic contamination.

2021 IOP Conference Series Earth and Environmental Science
Article Tier 2

Microplastic distribution in surface water and sediment river around slum and industrial area (case study: Ciwalengke River, Majalaya district, Indonesia)

Microplastics were surveyed in surface water and sediments of the Ciwalengke River in Indonesia across slum and industrial areas, finding average concentrations of 5.85 particles/L in water and 138 items/kg in sediment with fibers as the dominant form. The study is the first to examine microplastic contamination in a slum-dominated Indonesian river environment, documenting high concentrations linked to informal waste disposal.

2019 Chemosphere 433 citations
Article Tier 2

The occurrence and abundance of microplastics in surface water of the midstream and downstream of the Cisadane River, Indonesia

Researchers investigated microplastic contamination in the Cisadane River, Indonesia, finding 13 to 113 particles per cubic meter in surface water with higher abundance downstream, dominated by polyethylene, polystyrene, and polypropylene fragments from household and industrial sources.

2021 Chemosphere 101 citations
Article Tier 2

First Evidence of Microplastic Ingestion by Riverine Fish From the Freshwater of Northwest Peninsular Malaysia

Researchers found microplastics in the guts of multiple fish species from two rivers in northwest Malaysia, with some species averaging nearly 50 microplastic particles per gram of body weight. The dominant particles were fibers and fragments of polyethylene and polypropylene — findings that signal widespread contamination of freshwater food sources and raise concerns about human exposure through fish consumption.

2024 Environmental Toxicology and Chemistry 2 citations
Article Tier 2

Distribution of Microplastic Abundance and Composition in Surface Water around Anthropogenic Areas (Case Study: Jeneberang River, South Sulawesi, Indonesia)

Researchers collected surface water samples from eight stations along the Jeneberang River in South Sulawesi categorised by land use type, finding microplastic concentrations ranging from 2.00 to 5.77 particles per litre with microfibers as the dominant morphotype and highest concentrations near a traditional market site approximately 60 metres upstream.

2023 IOP Conference Series Earth and Environmental Science 5 citations
Article Tier 2

The presence of microplastics in the digestive tract of commercial fishes off Pantai Indah Kapuk coast, Jakarta, Indonesia

Commercial fish from nine species collected at the Pantai Indah Kapuk coast in Jakarta were dissected for microplastics, with 97.13% of 174 fish containing an average of ~12 particles per individual dominated by fibers and fragments of PE, PP, and PS. The study documents near-universal microplastic contamination in urban coastal fisheries in Indonesia with implications for seafood consumers.

2019 Biodiversitas Journal of Biological Diversity 109 citations
Article Tier 2

Presence of Microplastics in Water, Sediment, and Fish in Ancar Rivers Mataram City, West Nusa Tenggara, Indonesia

Microplastics were detected in water, sediment, and fish samples from the Ancar River in Mataram City, Indonesia, with fish inadvertently ingesting plankton-sized plastic particles—demonstrating microplastic contamination in a freshwater urban river system and its transfer into local fish species consumed by residents.

2025 Egyptian Journal of Aquatic Biology and Fisheries
Article Tier 2

Microplastics in Malaysia's Aquatic Environment: Current Overview and Future Perspectives

This review summarizes microplastic research across Malaysia's rivers, coastal waters, seafood, and sediments, finding widespread contamination in all aquatic environments studied. Fibers and fragments from everyday plastic products were the most common types found. The authors highlight that Malaysians face significant microplastic exposure through seafood consumption and call for better pollution monitoring and waste management policies.

2023 Global Challenges 32 citations