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RESEARCH PRODUCT
Evidences on alterations in skeleton composition and mineralization in a site-attached fish under naturally acidified conditions in a shallow CO2 vent
Alice MirasoleGiovanna ScopellitiGeraldina SignaSalvatrice VizziniAntonio MazzolaCecilia Doriana Tramatisubject
Settore BIO/07 - EcologiaElemental compositionSettore GEO/06 - MineralogiaEnvironmental Engineering010504 meteorology & atmospheric sciencesbiologyChemistryOcean acidification010501 environmental sciencesbiology.organism_classification01 natural sciencesPollutionMineralization (biology)GobiusEnvironmental chemistryEnvironmental Chemistry14. Life underwaterSkeletal structure Skeletal composition Gobius bucchichi Metals bioaccumulation Infrared spectroscopy Ocean acidificationWaste Management and Disposal0105 earth and related environmental sciencesdescription
Abstract Background Ocean acidification may affect fish mineralized structures (i.e. otoliths and skeleton). Methods Here, we compared the elemental composition of muscle and skeleton and the mineral features of skeleton in the site-attached fish Gobius bucchichi naturally exposed to high pCO2/low pH conditions in a shallow CO2 vent with fish of the same species exposed to normal pH. Results Overall, no skeleton malformations were found in both pH conditions, but among-site differences were found in the elemental composition. Interestingly, higher Ca/P values, inducing a moderate skeleton maturation, were found in fish exposed to acidified conditions than in controls. Conclusion Our findings suggest that ocean acidification may play a significant role in physiological processes related to mineralization, fostering skeleton pre-aging.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2021-03-01 |