A recent study found that ocean acidification is dissolving the shells of Dungeness crabs across the US Pacific Northwest
, analyzed Dungeness crabs and found that the lowered pH of the Pacific Ocean is causing young Dungeness crab shells to corrode.
In a very simplistic summary, the more carbon dioxide that is added to the ocean the more that carbon dioxide dissociates, leaving carbon and oxygen. The carbon can precipitate into calcium carbonate but the key is what happens to the oxygen. The oxygen, now O2- is now unstable and picks up a free H+. pH is a measure of how many H+ cations there are, hence removing them lowers the pH.
The more acidic Pacific Ocean is impacting the vital functions of Dungeness crabs, something that scientists thought would happen many decades from now.
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