Are CO2 ‐rich seafloor pockmarks a suitable environment for ostracod assemblages? The example of the Zannone Giant Pockmark (central‐eastern Tyrrhenian)

• Published in: Marine Ecology
• Main Authors: Aiello, Giuseppe, Mazzini, Ilaria, Parisi, Roberta, Ingrassia, Michela, Barra, Diana
• Other Authors: Dipartimento di Scienze della Terra dell’Ambiente e delle Risorse, Federico I University of Naples, Naples, Italy, CNR, Institute of Environmental Geology and Geoengineering, Montelibretti, Italy, Dipartimento di Scienze della Terra, dell’Ambiente e delle Risorse, Federico II University of Naples, Naples, Italy, CNR, Institute of Environmental Geology and Geoengineering c/o Dipartimento di Scienze della Terra - Sapienza, Università di Roma, Rome, Italy, Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OV, Napoli, Italia
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2022
• Subjects: CaCO3 undersaturated waters; circalittoral; hydrothermal vents; Mediterranean Sea; Arctic
• Online Access: http://hdl.handle.net/2122/16409; https://doi.org/10.1111/maec.12698

Despite their high abundance and diversity, ostracods adapted to a particular chemosynthetic environment and its surroundings have rarely been studied. Therefore, the thresholds and environmental characteristics shaping their assemblages are poorly known. Here, we report a detailed study of the ostracod assemblages occurring around the Zannone Giant Pockmark, a CO2 hydrothermal vent system recently discovered in the central-eastern Tyrrhenian Sea. Although among crustaceans, ostracods seem to have the longest stratigraphic record in fossil seeps and hydrothermal vents starting in the Palaeozoic, our results indicate that their occurrence is driven by CO2 that represents an insurmountable threshold for ostracods’ life. Published e12698 5V. Processi eruttivi e post-eruttivi JCR Journal