Corals are marine invertebrates that build reefs and form habitats for diverse ocean life. This archive covers coral species, reef ecology, threats and conservation across their range.
6 stories
ICMBio staff and volunteer divers are removing the coral from a protected archipelago near Rio de Janeiro. New reporting identifies an offshore oil platform as the work site and Brazilian biologist Adriana Gomes as part of the team. Research supports manual removal as a control method, but results vary by site and repeated checks are important.
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Laboratory experiments suggest hormones produced by coral-associated bacteria may affect immune-related genes, but the study did not show that they improve coral survival.
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A study of 200 coral fragments from Pulau Redang Marine Park found microplastics in 64% of samples. It documents contamination, but does not establish its effects on coral health or where the particles came from.
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Observations at two sites on One Tree Reef found living coral after most recorded feeding events. The researchers say any role in sustaining diversity remains a hypothesis, not a measured outcome.
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A study of corals from 16 sites found that tissue chemistry varied with human influence, but whether the changes affect reef resilience remains unclear.
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An IUCN-led assessment classifies 122 of 127 coral reef ecoregions as Critically Endangered when projected heat stress is included. The designation signals risk of collapse, not that most reefs have already collapsed.
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