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<p>In identifying and dating coral remains in drill cores taken from Belize reefs, a team of experts from Goethe University Frankfurt and partners from Germany, the USA and Canada has shown the importance of specific types of coral for reef-building during the current Holocene geological epoch, dating back some 12,000 years. The scientists found that certain coral species disappeared for longer periods in the past due to climate changes, and identified another climate-related threat to coral reefs: In addition to warming and ocean acidification, among others, the rising sea level also th...

600-year-old marine sponge holds centuries old climate records By Diana Udel Temperature records show past volcanic activity, current climate warming trends MIAMI—Scientists used a 600-year-old marine sponge to reconstruct a record of ocean temperature in the North Atlantic revealing past volcanic activity as well as the current global warming trend from the release of carbon dioxide and other heat trapping gasses into Earth’s atmosphere and absorbed by the oceans. The University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science-led research team used geochemi...