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WITHDRAWN: Microplastic accumulation in aquatic insects of different feeding guilds collected from wastewater in Sohag Governorate, Egypt
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This study investigated microplastic (MP) contamination in four families of aquatic insects representing different feeding guilds collected from a wastewater pond in Sohag Governorate, Egypt. Collector-gatherer insects (Chironomidae) carried the highest MP load per gram wet weight, while predators (Aeshnidae) recorded the lowest. The results highlight how feeding strategy influences microplastic accumulation across trophic levels in freshwater invertebrates.
Abstract Microplastics (MPs) have been detected in many freshwater organisms because of increasing plastic contamination within the freshwater environment. However, the correlation between MPs in organisms and their surrounding environment still needs studies. This study investigates MP contamination in one of the wastewater ponds east of Sohag Governorate, Egypt. Four common freshwater insect families representing different feeding guilds were employed to detect MPs contamination.
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WITHDRAWN: Microplastic accumulation in aquatic insects of different feeding guilds collected from wastewater in Sohag Governorate, Egypt
AI summary Read the abstract
This preprint was withdrawn by the authors to comply with institutional policy and should not be cited as a reference. The study had investigated microplastic accumulation in aquatic insects of different feeding guilds collected from wastewater in Sohag Governorate, Egypt.
WITHDRAWN: Microplastic accumulation in aquatic insects of different feeding guilds collected from wastewater in Sohag Governorate, Egypt
AI summary Read the abstract
This preprint was withdrawn by the authors to comply with institutional policy on preprints and should not be cited as a reference. The study had investigated microplastic contamination in aquatic insects of different feeding guilds collected from a wastewater pond in Sohag Governorate, Egypt.
Ingestion and egestion of microplastic by aquatic insects in Egypt wastewater
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A study of aquatic insects in Egyptian wastewater found that all four insect groups tested ingested microplastics, with collector-gatherer species (like Chironomus larvae) accumulating the highest loads and predatory species the lowest. The research also showed that insects eject a portion of microplastics within 24 hours, but some particles are retained — raising concerns about microplastics moving up the freshwater food chain through insects, which are a key food source for fish and birds.
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Researchers used aquatic insect larvae as bioindicators to assess microplastic distribution in Egyptian wastewater systems influenced by industrial and human activity. Insects from high-pollution sites accumulated significantly more microplastics, confirming their utility as cost-effective biological indicators for tracking microplastic contamination in freshwater systems.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.