@article{fdi:010064570, title = {{P}hysiological advantages of dwarfing in surviving extinctions in high-{CO}2 oceans}, author = {{G}arilli, {V}. and {R}odolfo-{M}etalpa, {R}iccardo and {S}cuderi, {D}. and {B}rusca, {L}. and {P}arrinello, {D}. and {R}astrick, {S}.{P}.{S}. and {F}oggo, {A}. and {T}witchett, {R}.{J}. and {H}all-{S}pencer, {J}.{M}. and {M}ilazzo, {M}.}, editor = {}, language = {{ENG}}, abstract = {{E}xcessive {CO}2 in the present-day ocean-atmosphere system is causing ocean acidification, and is likely to cause a severe biodiversity decline in the future, mirroring effects in many past mass extinctions. {F}ossil records demonstrate that organisms surviving such events were often smaller than those before, a phenomenon called the {L}illiput effect. {H}ere, we show that two gastropod species adapted to acidified seawater at shallow-water {CO}2 seeps were smaller than those found in normal p{H} conditions and had higher mass-specific energy consumption but significantly lower whole-animal metabolic energy demand. {T}hese physiological changes allowed the animals to maintain calcification and to partially repair shell dissolution. {T}hese observations of the long-term chronic effects of increased {CO}2 levels forewarn of changes we can expect in marine ecosystems as {CO}2 emissions continue to rise unchecked, and support the hypothesis that ocean acidification contributed to past extinction events. {T}he ability to adapt through dwarfing can confer physiological advantages as the rate of {CO}2 emissions continues to increase.}, keywords = {{MILIEU} {MARIN} ; {CLIMAT} ; {GAZ} {CARBONIQUE} ; {ACIDIFICATION} ; {INVERTEBRE} {AQUATIQUE} ; {COQUILLAGE} ; {ADAPTATION} ; {CALCAIRE} ; {METABOLISME} ; {BIOMETRIE} ; {NANISME} ; {CHANGEMENT} {CLIMATIQUE} ; {MEDITERRANEE} ; {SICILE} ; {VULCANO} {ILE} ; {LAMPEDUSA} {ILE} ; {SAN} {GIOVANNI} {LI} {CUTI}}, booktitle = {}, journal = {{N}ature {C}limate {C}hange}, volume = {5}, numero = {}, pages = {678--682 [+ supplementary information : 18 p.]}, ISSN = {1758-678{X}}, year = {2015}, DOI = {10.1038/nclimate2616}, URL = {https://www.documentation.ird.fr/hor/fdi:010064570}, }