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Differential response of two Mediterranean cold-water coral species to ocean acidification
Investigating the medium- to long-term effect of a low pH scenario on calcification and the biochemical composition of two CWCs from the Mediterranean confirmed a heterogeneous effect of low pH on the skeletal growth rate of the organisms depending on their initial weight, suggesting that those specimens with high calcification rates may be the most susceptible to the negative effects of acidification.
Resistance of Two Mediterranean Cold-Water Coral Species to Low-pH Conditions
Investigation of the mid-term effect of decreased pH on calcification of the two branching CWC species most widely distributed in the Mediterranean, Lophelia pertusa and Madrepora oculata found no significant effects were observed in the skeletal growth rate, microdensity and porosity after 6 months of exposure.
Characterization of the zooxanthellate and azooxanthellate morphotypes of the Mediterranean gorgonian Eunicella singularis
Two morphotypes were identified: a shallow morphotypes with candelabra-like colonies at 20–30 m has zooxanthellae, while a deep morphotype with more ramified colonies at 40–60 m lacks symbionts, and the mitochondrial marker msh1 did not discriminate between the two morphotypes.
Detrimental effects of ocean acidification on the economically important Mediterranean red coral (Corallium rubrum)
Evidence is shown for the first time of detrimental ocean acidification effects on the Mediterranean red coral species from aquaria experiments, suggesting a possible effect of pH decrease on the metabolism of the colonies.
Animal Forests in Deep Coastal Bottoms and Continental Shelf of the Mediterranean Sea
Several studies using Remotely Operated Vehicles and manned submersibles have recently provided quantitative information on animal forests dominated by gorgonians, black corals, and sponges dwelling