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Macroplastic and Microplastic in the Freshwater Environment of Southern Iraq: Evidences Obtained from Freshwater Fish Species
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Freshwater fish species collected from southern Iraq were found to have ingested both macro- and microplastic fragments, providing early evidence of plastic contamination moving through freshwater food webs in the Tigris-Euphrates river system. Fish as biomonitors for plastic pollution offer a practical tool for assessing contamination levels in freshwater systems and signaling potential risks for communities that consume locally caught fish.
The objective of this chapter was to report on the presence of plastics ingested by fish species collected from the freshwater system in southern Iraq. The identification of ingested fragments of plastics might help as an opening stage in evaluating freshwater biota...
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Evaluation of microplastic presence and risks in freshwater fish from Anzali International Wetland, Iran
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Scientists found tiny plastic particles (mostly blue plastic fibers) in the gills and guts of fish from an Iranian wetland, with bottom-feeding fish like tench carrying the most contamination. Since these fish are part of the food chain, and some are likely eaten by people, this suggests microplastics could be working their way up to our dinner plates, highlighting the need for better pollution controls and testing methods to understand the full health risks.
Microplastics Ingestion by Fish Species in Thailand’s Aquatic Ecosystems
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Researchers synthesized data from 175 assessments of plastic ingestion by fish species across Thailand's aquatic habitats, revealing widespread microplastic occurrence and raising significant concerns about ecosystem health and the potential transfer of plastic contaminants to humans through seafood consumption.
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Researchers reviewed sources, transport behavior, and ecotoxicological impacts of microplastics in freshwater ecosystems, finding that rivers and lakes are both pathways and sinks for plastic particles and that biological effects on freshwater organisms remain poorly characterized compared to marine systems.
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Researchers reviewed microplastic contamination in freshwater ecosystems, tracing sources from personal care products, synthetic textiles, and wastewater plants, and examining how particles smaller than 5 mm move through trophic levels with implications for food security and human health.
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Researchers reviewed the toxicity of microplastics ranging from 1 micrometer to 5 mm on flora and fauna in freshwater ecosystems, summarizing evidence of physical harm, chemical stress, and bioaccumulation across aquatic organisms from algae and invertebrates to fish.
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