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Lab based measurements of ocean acidification on Caribbean bioeroders (endolithic algae and reef-excavating sponges): implications for coral reef persistence, Cheeca Rocks Reef, Florida Keys, Northwest Atlantic Ocean, from 2018-06-11 to 2018-07-12 (NCEI Accession 0224590)

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 26, 2026 | Last Modified: 2021-02-04T00:00:00.000+00:00
This dataset includes lab-based measurements of ocean acidification on Caribbean bioeroders (endolithic algae and reef-excavating sponges) collected on Cheeca Rocks Reef, Florida Keys, Northwest Atlantic Ocean, from 2018-06-11 to 2018-07-12. Caribbean coral reef ecosystems have entered a state of net erosion in response to ocean acidification (OA) due to a combination of reduced carbonate production and enhanced bioerosion. The negative response of coral reef calcifiers to OA has been well-established, whereas OA-enhanced bioerosion is relatively poorly understood. Microboring algae and macroboring sponges are both major contributors to coral reef carbonate budgets (Perry et al., 2012). Microboring algae use exclusively chemical (extracellular ion transport) means (Garcia-Pichel, 2006) to break down carbonate framework, whereas macroboring sponges use a combination of both chemical (enzymatic dissolution) and mechanical (substrate dislodgment) methods (Rutzler and Rieger, 1973) to erode reef framework. Prior studies have found that both microboring algae and macroboring sponges appear to benefit from OA through both enhanced bioerosion and physiological fitness, but have disproportionally focused on the responses of Pacific Ocean species. Here, we independently evaluated the OA-response of two Caribbean bioeroders to quantify the impact of OA on their physiology and bioerosion rates.

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