In this video Professor Ove explains 'coral coring' - the process of dating or ageing corals. Scientists use this information to track the changes in environmental conditions on the reef. Alarmingly recent variations in climactic conditions exceed those seen in the last thousand years, another reason why we need to keep a very close eye on the reef.
Part of:AXA XL Oceans Education
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Seaview Science: changing reefs
Learn how the increasing levels of CO2 in our atmosphere are affecting our coral reefs.