Publication Date:
2023-05-12
Description:
Cephalopods play a key role in many marine trophic networks and constitute alternative fisheries resources, especially given the ongoing decline in finfish stocks. Along the European coast, the eggs of the cuttlefish Sepia officinalis are characterized by an increasing permeability of the eggshell during development, which leads to selective accumulation of essential and non-essential elements in the embryo. Temperature and pH are two critical factors that affect the metabolism of marine organisms in the coastal shallow waters. In this study, we investigated the effects of pH and temperature through a crossed (3?2; pH 8.1 (pCO2, 400 ppm), 7.85 (900 ppm) and 7.6 (1400 ppm) at 16 and 19°C, respectively) laboratory experiment. Seawater pH showed a strong effect on the egg weight and non-significant impact on the weight of hatchlings at the end of development implying an egg swelling process and embryo growth disturbances. The lower the seawater pH, the more 110 mAg was accumulated in the tissues of hatchlings. The 109Cd concentration factor (CF) decreased with decreasing pH and 65Zn CF reached maximal values pH 7.85, independently of temperature. Our results suggest that pH and temperature affected both the permeability properties of the eggshell and embryonic metabolism. To the best of our knowledge, this is one of the first studies on the consequences of ocean acidification and ocean warming on metal uptake in marine organisms, and our results indicate the need to further evaluate the likely ecotoxicological impact of the global change on the early-life stages of the cuttlefish.
Keywords:
Alkalinity, Gran titration (Gran, 1950); Alkalinity, total; Alkalinity, total, standard deviation; Americium-241, activity, normalized; Americium-241, activity, normalized, Sepia officinalis, eggs; Americium-241, activity, standard, Sepia officinalis, eggs; Americium-241, activity, total, Sepia officinalis, eggs; Americium-241, concentration factors; Americium-241, load-concentration ratio; Animalia; Aragonite saturation state; Bicarbonate ion; Bottles or small containers/Aquaria (〈20 L); Cadmium-109, activity, normalized; Cadmium-109, activity, normalized, Sepia officinalis, eggs; Cadmium-109, activity, standard, Sepia officinalis, eggs; Cadmium-109, activity, total, Sepia officinalis, eggs; Cadmium-109, concentration factors; Cadmium-109, load-concentration ratio; Caesium-134, activity, normalized; Caesium-134, activity, normalized, Sepia officinalis, eggs; Caesium-134, activity, standard, Sepia officinalis, eggs; Caesium-134, activity, total, Sepia officinalis, eggs; Caesium-134, concentration factors; Caesium-134, load-concentration ratio; Calcite saturation state; Calculated using seacarb; Carbon, inorganic, dissolved; Carbonate ion; Carbonate system computation flag; Carbon dioxide; Coast and continental shelf; Cobalt-60, activity, normalized; Cobalt-60, activity, normalized, Sepia officinalis, eggs; Cobalt-60, activity, standard, Sepia officinalis, eggs; Cobalt-60, activity, total, Sepia officinalis, eggs; Cobalt-60, concentration factors; Cobalt-60, load-concentration ratio; DATE/TIME; EPOCA; EUR-OCEANS; European network of excellence for Ocean Ecosystems Analysis; European Project on Ocean Acidification; Experimental treatment; Experiment day; Fugacity of carbon dioxide (water) at sea surface temperature (wet air); Gamma-ray spectrometry; Identification; Laboratory experiment; Manganese-54, activity, normalized; Manganese-54, activity, normalized, Sepia officinalis, eggs; Manganese-54, activity, standard, Sepia officinalis, eggs; Manganese-54, activity, total, Sepia officinalis, eggs; Manganese-54, concentration factors; Manganese-54, load-concentration ratio; Mediterranean Sea; Mollusca; Nekton; OA-ICC; Ocean Acidification International Coordination Centre; Other studied parameter or process; Partial pressure of carbon dioxide (water) at sea surface temperature (wet air); Pelagos; pH; pH meter (Metrohm, 826 pH mobile); Salinity; see reference(s); Selenium-75, activity, normalized; Selenium-75, activity, normalized, Sepia officinalis, eggs; Selenium-75, activity, standard, Sepia officinalis, eggs; Selenium-75, activity, total, Sepia officinalis, eggs; Selenium-75, concentration factors; Selenium-75, load-concentration ratio; Sepia officinalis; Sepia officinalis, eggs, mass, fresh; Sepia officinalis, juvenile, mass, fresh; Silver-110m, activity, normalized; Silver-110m, activity, normalized, Sepia officinalis, eggs; Silver-110m, activity, standard, Sepia officinalis, eggs; Silver-110m, activity, total, Sepia officinalis, eggs; Silver-110m, concentration factors; Silver-110m, load-concentration ratio; Single species; Temperate; Temperature; Temperature, water; Zinc-65, activity, normalized; Zinc-65, activity, normalized, Sepia officinalis, eggs; Zinc-65, activity, standard, Sepia officinalis, eggs; Zinc-65, activity, total, Sepia officinalis, eggs; Zinc-65, concentration factors; Zinc-65, load-concentration ratio
Type:
Dataset
Format:
text/tab-separated-values, 4149 data points
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