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Microplastic in mangroves: A worldwide review of contamination in biotic and abiotic matrices
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This worldwide review analyzed 53 studies on microplastic contamination in mangrove sediments, water, and organisms across Asia, America, and Africa, finding that research is geographically limited and lacks wide-scale coverage of mangrove coastlines. Most studies characterized microplastic type, size, color, and morphology but did not assess ecological risks.
This review presents the spatial distribution (where) and the methods applied (how) in assessing Microplastics (MPs) contamination in sediments, water, and organisms in mangrove areas. We analyzed 53 articles on MPs in Asia, America, and Africa and produced by 359 authors, although very localized, lacking wide-scale coverage of mangrove coasts around the world. The results showed that most of studies provided MP's bulk characteristics (type, size, color, form), along with global gross reserves of MPs in the mangrove compartments. Investigations in mangrove areas are still relatively limited. Therefore, for future research, it is relevant to enhance spatial and temporal sampling of MP contamination and to establish standardized protocols to enable effective comparisons between mangrove areas, rivers, beaches, and coastal seas. In addition, it is crucial to investigate the role of MPs as carriers or vectors of other pollutants.
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Microplastic Contamination in Mangrove Sediments: A Systematic Review of Abundance, Composition, and Environmental Drivers[
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This review combined results from 37 studies on microplastic pollution in mangrove sediments worldwide. It found particle levels varied widely, with tiny fibers and fragments made mostly of polyethylene and polypropylene being most common, and that root density, tides, sediment type, and human activities like wastewater discharge affected accumulation. Differences in testing methods across studies made comparisons difficult.
Microplastic Contamination in Water, Sediment, and Biota in Mangrove Forests
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This review synthesized research on microplastic contamination in mangrove forest water, sediment, and biota, finding that mangroves act as both sinks and potential sources of microplastics due to their complex hydrodynamics, with ecotoxicological data on mangrove-specific organisms remaining limited.
Microplastics in mangroves with special reference to Asia: Occurrence, distribution, bioaccumulation and remediation options
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This review examines microplastic contamination in Asian mangrove ecosystems, finding higher pollution levels near fishing, tourism, and industrial areas. Organisms throughout the mangrove food web, from shellfish to fish, accumulate microplastics based on their feeding habits and habitat. While mangrove plants can trap some microplastics in their roots, the widespread contamination of these coastal ecosystems raises concerns about the safety of seafood harvested from mangrove areas for human consumption.
Microplastic Pollution in Sri Lankan Mangrove- Associated Ecosystems: Occurrence, Ecological Implications, and Research Gaps (2015-2025)
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This review summarizes existing research on microplastics in Sri Lankan mangrove areas from 2015 to 2025. It found only a few studies sampling directly within mangroves, mostly showing fibers and fragments in lagoon water, sediment, and animals, with ingestion documented but no evidence yet of ecological harm.
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This review synthesizes available research on microplastic pollution in mangrove ecosystems, which act as buffers between land and sea and accumulate plastics from both marine and terrestrial sources. The authors identify key gaps in knowledge and call for more research on how microplastics affect these ecologically critical habitats.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.