@article{fdi:010063700, title = {{L}impets counteract ocean acidification induced shell corrosion by thickening of aragonitic shell layers}, author = {{L}anger, {G}. and {N}ehrke, {G}. and {B}aggini, {C}. and {R}odolfo-{M}etalpa, {R}iccardo and {H}all-{S}pencer, {J}. {M}. and {B}ijma, {J}.}, editor = {}, language = {{ENG}}, abstract = {{S}pecimens of the patellogastropod limpet {P}atella caerulea were collected within (p{H}(low)-shells) and outside (p{H}n-shells) a {CO}2 vent site at {I}schia, {I}taly. {F}our p{H}(low)-shells and four p{H}n-shells were sectioned transversally and scanned for polymorph distribution by means of confocal {R}aman microscopy. {T}he p{H}low-shells displayed a twofold increase in aragonite area fraction and size-normalised aragonite area. {S}ize-normalised calcite area was halved in p{H}(low)-shells. {T}aken together with the increased apical and the decreased flank size-normalised thickness of the p{H}(low)-shells, these data led us to conclude that low-p{H}-exposed {P}. caerulea specimens counteract shell dissolution by enhanced shell production. {T}his is different from normal elongation growth and proceeds through addition of aragonitic parts only, while the production of calcitic parts is confined to elongation growth. {T}herefore, aragonite cannot be regarded as a disadvantageous polymorph per se under ocean acidification conditions.}, keywords = {{ITALIE} ; {MEDITERRANEE} ; {TYRRHENIENNE} {MER}}, booktitle = {}, journal = {{B}iogeosciences}, volume = {11}, numero = {24}, pages = {7363--7368}, ISSN = {1726-4170}, year = {2014}, DOI = {10.5194/bg-11-7363-2014}, URL = {https://www.documentation.ird.fr/hor/fdi:010063700}, }