Interaction of ocean acidification and temperature: The high cost of survival in the brittlestar Ophiura ophiura
Brittlestar arms regenerated 30 percent more slowly under ocean acidification conditions. (Laboratory study)
Ocean warming and acidification: Implications for the Arctic brittlestar Ophiocten sericeum
Brittlestar arms regenerated faster in warmer water. However, they did not do so when the temperature increase was accompanied by ocean acidification conditions. This may have occurred because the brittlestars had to devote more of their energy to maintaining calcium carbonate body parts, as calcium carbonate became undersaturated when the ...
Acute toxicity of lowered pH to some oceanic zooplankton
Ten species of zooplankton displayed a range of mortality rates when exposed to ocean acidification conditions. Differences in in swimming behavior, food habits, size, and presence of gills were not significantly related to sensitivity to lowered pH. The results suggest that marine zooplankton are more sensitive than freshwater zooplankton to ...
Photosynthetic responses to solar UV radiation of Gracilaria lemaneiformis cultured under different temperatures and CO2 concentrations.
The combined effect of ocean acidification and rising temperature enhanced the sensitivity of a red alga to ultraviolet (UV) radiation. This was reflected in an increased damage rate, decreased repair rate, and decreased ratio of repair to damage in thalli. The findings suggest that ocean acidification and warming will reduce ...
CO2 in seawater: equillibrium, kinetics, isotopes
More than 98% of the carbon of the atmosphere-ocean system is stored in the oceans as dissolved inorganic carbon. This textbook describes equilibrium and nonequilibrium properties and stable isotope fractionation among the elements of the carbonate system.
Effects of low pH and raised temperature on egg production, hatching and metabolic rates of a Mediterranean copepod species (Acartia clausi) under oligotrophic conditions.
The egg production rate, hatching success, and respiration of a Mediterranean copepod were not affected by ocean acidification conditions. Warming and food availability did have some effects. (Laboratory study)
Understanding ocean acidification impacts on organismal to ecological scales
Ocean acidification (OA) research seeks to understand how marine ecosystems and global elemental cycles will respond to changes in seawater carbonate chemistry in combination with other environmental perturbations such as warming, eutrophication, and deoxygenation. This paper discusses the effectiveness and limitations of current research approaches used to address this goal. ...
Climatological Distributions of pH, pCO2, Total CO2, Alkalinity, and CaCO3 Saturation in the Global Surface Ocean
This report describes climatological mean monthly distributions of pH, total carbon dioxide concentration, and the degree of CaCO3 saturation for the global surface ocean waters (excluding coastal areas) to depths of approximately 160 feet (50 meters).
The seasonal cycle of carbon dioxide in Baltic Sea surface waters
The carbonate system of the Baltic Sea is strongly influenced by the input of low salinity waters during spring and summer originating from the Bothnian Sea, the Gulf of Finland and the Gulf of Riga as well as by the input of high salinity waters during autumn and winter originating ...
Coastal Acidification to Rivers: A Threat to Shellfish?
This article provides an overview of how rivers, which tend to be acidic compared to the ocean, affect shellfish, with a focus on the Gulf of Maine.
