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dc.contributor.authorDiaz-Castaneda, Victoriaen_UK
dc.contributor.authorCox, T Erinen_UK
dc.contributor.authorGazeau, Frédéricen_UK
dc.contributor.authorFitzer, Susanen_UK
dc.contributor.authorDelille, Jeremyen_UK
dc.contributor.authorAlliouane, Samiren_UK
dc.contributor.authorGattuso, Jean-Pierreen_UK
dc.description.abstractThe energetically costly transition from free-swimming larvae to benthic life stage and maintenance of a calcareous structure can make calcifying marine invertebrates vulnerable to ocean acidification. The first goal of this study was to evaluate the impacts of ocean acidification on calcified tube growth for two Serpulidae polychaete worms. Spirorbis sp. and Spirobranchus triqueter were collected at 11 m depth from the Northwest Mediterranean Sea and maintained for 30 and 90 d, at three mean pHT levels (total scale) of 8.1 (ambient), 7.7, and 7.4. Moderately decreased tube elongation rates were observed in both species at a pHT of 7.7 while severe reductions occurred at pHT 7.4. There was visual evidence of dissolution and tubes were more fragile at lower pH but, fragility was not attributed to changes in fracture toughness. Instead, it appeared to be due to the presence of larger alveoli covered in a thinner calcareous layer. The second objective of the study was to test for effects in offspring development of the species S. triqueter. Spawning was induced, and offspring were reared in the same pH conditions the parents experienced. Trochophore size was reduced at the lowest pH level but settlement success was similar across pH conditions. Post-settlement tube growth was most affected. At 38 d post-settlement, juvenile tubes at pHT of 7.7 and 7.4 were half the size of those at pHT 8.1. Results suggest future carbonate chemistry will negatively affect initiation and persistence of both biofouling and epiphytic polychaete tube worms.en_UK
dc.publisherCompany of Biologistsen_UK
dc.relationDiaz-Castaneda V, Cox TE, Gazeau F, Fitzer S, Delille J, Alliouane S & Gattuso J (2019) Ocean acidification affects calcareous tube growth in adults and reared offspring of serpulid polychaetes. The Journal of Experimental Biology, 222 (13), Art. No.: jeb196543.
dc.rightsThis item has been embargoed for a period. During the embargo please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study. Publisher policy allows this work to be made available in this repository. Published in Journal of Experimental Biology 2019 222: jeb196543 by Company of Biologists. The original publication is available at:
dc.subjectSpirorbis sp.en_UK
dc.subjectSpirobranchus triqueteren_UK
dc.subjecttrans-generational effectsen_UK
dc.subjecttube wormsen_UK
dc.titleOcean acidification affects calcareous tube growth in adults and reared offspring of serpulid polychaetesen_UK
dc.typeJournal Articleen_UK
dc.rights.embargoreason[jeb.196543.full.pdf] Publisher requires embargo of 12 months after formal publication.en_UK
dc.citation.jtitleJournal of Experimental Biologyen_UK
dc.type.statusAM - Accepted Manuscripten_UK
dc.contributor.funderEuropean Commissionen_UK
dc.contributor.affiliationCentro de Investigación Científica y de Educación Superior de Ensenada (CICESEen_UK
dc.contributor.affiliationUniversity of New Orleansen_UK
dc.contributor.affiliationSorbonne Universityen_UK
dc.contributor.affiliationInstitute of Aquacultureen_UK
dc.contributor.affiliationSorbonne Universityen_UK
dc.contributor.affiliationSorbonne Universityen_UK
dc.contributor.affiliationSorbonne Universityen_UK
dc.description.refREF Compliant by Deposit in Stirling's Repositoryen_UK
Appears in Collections:Aquaculture Journal Articles

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