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Nanoplastic contamination of mangrove meiofauna communities
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Tiny plastic particles called nanoplastics are showing up in the tiny creatures (called meiofauna) that live in mangrove sediments, which are important nursery habitats for fish and shellfish. Since these small organisms sit near the bottom of the food chain, this contamination could work its way up to the seafood many people eat. While this study focuses on the mangrove ecosystem itself, it adds to growing evidence that plastic pollution is infiltrating food webs in ways that may eventually affect human health.
International audience
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Accumulation of microplastics in mangrove ecosystem: source, properties, and impacts for conservation
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This review of studies from Asia, the Americas, and beyond found that mangrove forests—vital coastal ecosystems that trap carbon and protect shorelines—are accumulating tiny plastic particles from clothing fibers, fishing gear, and packaging waste. These microplastics are showing up in fish, crabs, and shellfish that people eat, raising concerns about how much plastic ends up on our dinner plates, while also potentially weakening the mangroves' ability to fight climate change. The findings suggest we need better tracking and stronger protections for these ecosystems, since plastic pollution may be harming both environmental health
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.
Micro-contaminant, but immense impact: Source and influence of diethyl phthalate plasticizer on bottom-dwelling fishes
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Researchers tracked microplastic accumulation in mangrove sediments along a tropical coastline, finding concentrations up to 1,200 particles per kilogram of dry sediment. Mangroves appear to act as sinks for floating plastic debris, with fibers dominating the assemblage.
Microplastics in Different Coastal Environmental Matrices and Potential Ecological Risks
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Scientists found tiny plastic particles (mostly fibers from things like clothing and fishing gear) scattered across coastal areas, with mangrove forests trapping the most—likely because their roots act like a net. Since these coastal zones connect to the seafood we eat and the water systems we rely on, understanding where microplastics build up helps researchers pinpoint pollution sources and predict where contamination risks are highest for both marine life and the food chain that eventually reaches our plates.
Distribution and diversity of microplastics along the aquatic food web in the largest mangrove reserve of China
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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.
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.