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Main Authors: Tilstra, Arjen, Braxator, Lorena, Thobor, Bianca, Mezger, Selma D, Hill, Claudia E L, El-Khaled, Yusuf C, Caporale, Giulia, Kim, Sohyoung, Wild, Christian
Format: Dataset Open Access
Language:en
Published: PANGAEA 2024
Subjects:
Alkalinity, total; Ammonium; Animalia; Aragonite saturation state; Benthic animals; Benthos; Bicarbonate ion; Biomass/Abundance/Elemental composition; Calcite saturation state; Calcium; Calculated using seacarb after Nisumaa et al. (2010); Carbon; Carbon, inorganic, dissolved; Carbon/Nitrogen ratio; Carbonate hardness of water; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Cell density; Chlorophyll a per cell; Cnidaria; Containers and aquaria (20-1000 L or < 1 m**2); Day of experiment; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Gross photosynthesis rate, oxygen; Growth/Morphology; Identification; Laboratory experiment; Laboratory strains; Magnesium; Net photosynthesis rate, oxygen; Nitrate; Nitrite; Nitrogen; Not applicable; OA-ICC; Ocean acidification; Ocean Acidification International Coordination Centre; Other studied parameter or process; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); pH, NBS scale; pH, total scale; Phosphate; Pixel value; Polyp number; Primary production/Photosynthesis; Pulsation rate; Replicate; Respiration; Respiration rate, oxygen; Salinity; Single species; Species, unique identification; Species, unique identification (Semantic URI); Species, unique identification (URI); Symbiont cell density; Temperature, water; Treatment; Type of study; Xenia umbellata; δ13C; δ15N
Online Access:https://doi.org/10.1594/PANGAEA.964548
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Table of Contents:
  • We carried out a manipulative aquarium experiment for 21 days to study the response of the widespread pulsating soft coral Xenia umbellata to simulated OA conditions. We gradually decreased the pH from ambient (~8.3) to three consecutive 7-day long pH treatments of 8.0, 7.8, and 7.6, using a CO2 dosing system. Monitored response variables included pulsation rate, specific growth rate, visual coloration, survival, Symbiodiniaceae cell densities and chlorophyll a content, photosynthesis and respiration, and finally stable isotopes of carbon (C) and nitrogen (N) as well as CN content.

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