Light availability and temperature, not increased CO2, will structure future meadows of Posidonia oceanica, supplement to: Hendriks, Iris; Olsen, Ylva; Duarte, Carlos Manuel (2017): Light availability and temperature, not increased CO 2 , will structure future meadows of Posidonia oceanica. Aquatic Botany, 139, 32-36

• Main Authors: Hendriks, Iris, Olsen, Ylva, Duarte, Carlos Manuel
• Format: Dataset
• Language: English
• Published: PANGAEA - Data Publisher for Earth & Environmental Science 2017
• Subjects: Benthos; Bottles or small containers/Aquaria <20 L; Coast and continental shelf; Growth/Morphology; Laboratory experiment; Light; Mediterranean Sea; Plantae; Posidonia oceanica; Primary production/Photosynthesis; Seagrass; Single species; Temperate; Tracheophyta; Type; Species; Registration number of species; Uniform resource locator/link to reference; Experiment duration; Experiment; Identification; Temperature, water; Salinity; Alkalinity, total; Carbon dioxide, partial pressure; Irradiance; pH; Aragonite saturation state; Range; Dry mass; Shoots; Leaf area; Leaf area index; Volume; Leaf, growth rate; Leaf, growth rate, standard error; Time in days; Photosynthetic quantum efficiency; Maximal electron transport rate, relative; Light saturation point; Maximum photochemical quantum yield of photosystem II; Carbonate system computation flag; Carbon dioxide; Fugacity of carbon dioxide water at sea surface temperature wet air; Partial pressure of carbon dioxide water at sea surface temperature wet air; Bicarbonate ion; Carbonate ion; Carbon, inorganic, dissolved; Calcite saturation state; Potentiometric titration; Potentiometric; Calculated using CO2SYS; Calculated using seacarb after Nisumaa et al. 2010; Ocean Acidification International Coordination Centre OA-ICC; Duarte; Ocean acidification
• Online Access: https://dx.doi.org/10.1594/pangaea.875001; https://doi.pangaea.de/10.1594/PANGAEA.875001

We evaluated the photosynthetic performance of Posidonia oceanica during short-term laboratory exposures to ambient and elevated temperatures (24-25 °C and 29-30 °C) warming and pCO2 (380, 750 and 1000 ppm pCO2) under normal and low light conditions (200 and 40 µmol photons/m**2/s respectively). Pla...