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Commentary: Plastic waste associated with disease on coral reefs
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This commentary discusses evidence linking plastic waste on coral reefs to increased disease rates in corals, supporting the hypothesis that plastic debris can introduce pathogens and stress corals in ways that make them more susceptible to disease. The commentary calls for urgent action to reduce plastic reaching reef systems.
International audience
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Impacts of marine debris on coral reef ecosystem: A review for conservation and ecological monitoring of the coral reef ecosystem
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This review examines how marine debris, especially microplastics, threatens coral reef ecosystems by causing physical damage, spreading disease, and disrupting coral biology. Microplastics can stick to coral polyps and block their feeding, while also carrying harmful bacteria that cause coral diseases. Healthy coral reefs are vital for fisheries and coastal protection, so their decline from plastic pollution indirectly affects the millions of people who depend on reef ecosystems for food and livelihoods.
Editorial: Occurrence, impacts, and interactions of plastic pollution in coral reef ecosystems
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Researchers synthesize findings from six coral reef studies showing that microplastic exposure — through tissue ingestion, abandoned fishing gear, and chemical leachates — compounds the physiological damage caused by ocean warming, disrupting host-symbiont regulation, suppressing coral growth, and impairing larval settlement in ways that narrow recovery windows under climate stress.
Research progress on the effects of microplastics on coral reef ecosystems
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This review synthesized current knowledge on microplastic pollution in coral reef ecosystems, covering global distribution of reef-associated microplastics, ingestion by reef organisms, and impacts on coral health. Microplastics were found to impair coral feeding, disrupt zooxanthellae, transfer toxins to reef organisms, and potentially contribute to coral reef degradation.
Global Patterns and Variability in Coral Responses to Plastic Pollution
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This review pulled together over 100 studies on how plastic pollution affects coral reefs, finding that plastic exposure commonly damages coral tissue and makes corals more likely to get sick, though the severity varies a lot depending on location and conditions. Since coral reefs support the fish populations and coastal ecosystems that hundreds of millions of people depend on for food and livelihoods, this growing body of research is a reminder that plastic waste in our oceans isn't just an environmental issue — it ripples up through food chains that eventually reach our plates.
Investigating the composition and distribution of microplastics surface biofilms in coral areas
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Researchers investigated the composition and distribution of microbial biofilms on microplastic surfaces collected from coral reef areas. The study found that microplastics harbor distinct microbial communities including potentially pathogenic species, raising concerns that microplastic pollution may contribute to coral disease by serving as vectors for harmful microorganisms in reef 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.