Dissolution rates from a long-term multiple stressor aquarium experiment with the cold-water coral Desmophyllum pertusum

• Main Authors: Beck, Kristina K, Hennige, Sebastian, Easton, Blair, Burns, Zoe, Kaye, Sarah, Peña Fernández, Marta, Barnhill, Kelsey Archer, Wolfram, Uwe, Roberts, J Murray
• Format: Dataset
• Language: English
• Published: PANGAEA 2024
• Subjects: Aragonite saturation; Buoyant weighing technique according to Jokiel et al. (1978); Calculated; Climate change; cold-water coral; Desmophyllum_pertusum_Sampling_Area_and_Period; Desmophyllum pertusum; dry mass; skeletal dissolution rate; Duration; experiment; Health status; iAtlantic; Integrated Assessment of Atlantic Marine Ecosystems in Space and Time; pH; Remote operated vehicle; ROV; skeletal dissolution; Specimen identification; Tank number; Tisler Reef; Skagerrak; Treatment; Lophelia pertusa; Ocean acidification
• Online Access: https://doi.pangaea.de/10.1594/PANGAEA.965098; https://doi.org/10.1594/PANGAEA.965098

We conducted a long-term (6 months) multiple stressor aquarium experiment with the cold-water coral Desmophyllum pertusum (syn. Lophelia pertusa) under future environmental conditions. The experiment with dead coral skeletons consisted of five different treatments to investigate the combined effect of ocean acidification, warming and deoxygenation on their skeletal dissolution: control (9 °C, pH 8.1, 100 % oxygen), multiple stressor (12 °C, pH 7.7, 90 % oxygen) and three different pCO2 levels (750, 1000 and 1250 ppm). The coral skeletons were weighed after 1.5, 3, 4.5 and 6 months using the buoyant weighing technique. Every treatment consisted of three replicate tanks with two dead coral skeletons.