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Microplastic pollution found in insect casing from 1971
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Scientists examining preserved insect cases from a 1971 museum collection found that freshwater caddisflies were incorporating plastic fragments into their protective casings decades before microplastics became a recognized scientific concern. This historical evidence shows that plastic pollution was already permeating freshwater ecosystems in the early 1970s, far earlier than most people realize.
Freshwater insects used ‘microplastic’ as a building material long before scientists coined the term. Freshwater insects used ‘microplastic’ as a building material long before scientists coined the term.
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A permeating threat of microplastics on insects and their ecological roles
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Researchers review how microplastic contamination disrupts insect physiology — reducing reproductive success, altering behavior, and compromising immunity — with cascading consequences for pollination, pest control, and nutrient cycling that could ripple broadly through agriculture and biodiversity.
Microplastics are getting into mosquitoes and contaminating new food chains
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Mosquito larvae ingest microplastics in aquatic environments and carry them into adult mosquitoes, which are then eaten by birds and other terrestrial animals, creating a novel pathway for microplastics to enter non-marine food chains. This aquatic-to-terrestrial transfer mechanism extends the reach of microplastic contamination far beyond oceans and waterways into land-based ecosystems and potentially human food sources.
Microplastics: Environmental Risks in Insect Ecosystem Leading to Adversity on Human Health
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Researchers examine how microplastic pollution affects insect ecosystems, tracing how plastic debris degrades into microscopic particles that are ingested by insects, disrupting their physiology and behavior, with downstream consequences for pollination, food webs, and ultimately human health given insects' foundational role in terrestrial ecosystems.
Microplastics in Biota
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Microplastics have been detected in biota across marine, freshwater, and terrestrial ecosystems, demonstrating their ability to enter food webs at multiple trophic levels. Their omnipresence in living organisms raises concerns about bioaccumulation of both the plastic particles and the chemical additives and adsorbed pollutants they carry.
Microplastics in Biota
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Researchers summarized evidence that microplastics have infiltrated living organisms across marine, freshwater, and terrestrial ecosystems, posing a broad threat to biodiversity. Their persistence in biological tissues means they can accumulate up the food chain, ultimately reaching humans through diet.
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.