Editing Abalone (section)

==Threat of extinction==
Abalone are critically threatened due to overfishing and the [[ocean acidification|acidification of oceans]]<ref>{{harvnb|Byrne|Ho|Wong|Soars|2011}}</ref> as lower pH erodes the calcium carbonate in their shells. In the 21st century, white, pink, and green abalone are on the United States federal endangered species list. Possible restoration sites have been proposed for the San Clemente Island and Santa Barbara Island areas.<ref>{{Cite journal|last1=Rogers-Bennett|first1=Laura|last2=Haaker|first2=Peter|last3=Karpov|first3=Konstantin|last4=Kushner|first4=David|display-authors=1|date=1 October 2002|title=Using Spatially Explicit Data to Evaluate Marine Protected Areas for Abalone in Southern California|journal=Conservation Biology|volume=16|issue=5|pages=1308–1317|doi=10.1046/j.1523-1739.2002.01002.x|bibcode=2002ConBi..16.1308R |s2cid=84134835 |issn=0888-8892}}</ref> Reintroduction of farming abalone to the wild has been proposed, with these abalone having special tags to help track the population.<ref>{{Cite web|url=http://www.marinebio.net/marinescience/06future/abhist.htm|title=Abalone: History and Future|website=www.marinebio.net|access-date=6 May 2016}}</ref>