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Tiny particles, big problems: Microplastic lessons from coral reproduction to reef conservation

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This doctoral dissertation examines the effects of microplastics on coral reproduction across life stages, drawing lessons from these findings to inform reef conservation strategies.

Body Systems

Ph.D.

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The Distribution and Impact of Microplastics on Coral Reefs: an Ecosystem Approach

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This study examines the distribution and ecological impact of microplastics on coral reef ecosystems, providing a Ph.D.-level ecosystem approach to understanding how microplastic pollution affects reef health and biodiversity.

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Microplastics in the Ocean and their Consequences: Coral Reef Case Study

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"Researchers warn that microplastics accumulating in ocean ecosystems pose a cascading threat to coral reefs, which protect coastlines and produce oxygen, ultimately endangering marine biodiversity and human health through contaminated seafood." 2. 20129 — "Researchers review how microplastics permeate soils, water, and air worldwide, threatening plant, animal, and human health through multiple exposure pathways, while calling for coordinated societal action to reduce pollution at its source." 3. 34572 — "Researchers examine how widespread antibiotic use in medicine, farming, and aquaculture is contaminating water ecosystems with both antibiotic residues and antibiotic-resistance genes, raising concern that our water supplies may be accelerating the global resistance crisis." 4. 34169 — "Researchers document the pervasive contamination of human food supplies by microplastics, tracing how these particles enter crops, seafood, and packaged goods and what that means for what ends up on our plates every day." 5. 65196 — "Researchers discovered that the chemistry of iron minerals and pore water in underground aquifers significantly controls how far nanoplastic particles can travel, suggesting groundwater contamination from tiny plastics may be more widespread and persistent than previously understood." 6. 7192 — "Researchers found that combining microplastics from agricultural plastic film with zinc oxide nanoparticles from nano-fertilizers creates compounded stress in soil that harms mung bean growth, highlighting the underappreciated risks of mixing modern farming inputs." 7. 82335 — "Researchers systematically reviewed 180 studies to map which laboratory methods work best for identifying microplastics across different sample types, finding that density separation and organic digestion dominate sample preparation, a key step toward standardizing how the field measures contamination." 8. 82507 — "Researchers used computational fluid dynamics to model how microplastic shape affects where particles travel and settle in a tidal estuary, finding that particle shape is a critical but often overlooked factor in predicting environmental spread and cleanup planning." 9. 78334 — "Researchers outline the main sources of ocean microplastics — cosmetic microbeads, laundry fibers, and degrading plastic litter — and assess which reduction strategies, from filtration to policy, show the most promise for protecting marine life and human health." 10. 76444 — "Researchers review the global spread of microplastics through freshwater, oceans, and deep-sea sediments, identifying critical gaps in how scientists sample, identify, and assess the toxicity of these particles that must be closed to guide effective pollution policy." Once you grant Write permission, I can save these immediately.

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Unveiling the hidden threat of microplastics to coral reefs in remote South Atlantic islands

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Researchers investigated microplastic contamination of coral reefs on remote South Atlantic islands, finding widespread microplastic presence in reef environments and raising concerns about the physiological and ecological harm to coral ecosystems far from human population centers.

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Micro-Nano Plastics—Impact on Coral Ecosystem

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This review documents how micro- and nanoplastics threaten coral reef ecosystems, which support biodiversity and serve over 500 million people, by disrupting feeding, reproduction, and symbiotic algae. Coral reefs act as a sentinel for ocean health, and their decline under plastic pollution signals broader risks to marine food webs that humans depend on.

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Microplastic ingestion by scleractinian corals

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Researchers documented for the first time that scleractinian corals on Australia's Great Barrier Reef actively ingest microplastics from surrounding water, raising serious concerns that plastic pollution could impair the feeding and health of reef-building corals already stressed by warming oceans.

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