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Title

Regional patterns of δ13C and δ15N for European common cuttlefish (Sepia officinalis) throughout the Northeast Atlantic Ocean and Mediterranean Sea

AuthorsWells, R.J. David; Rooker, Jay R.; Addis, Piero; Arrizabalaga, H.; Baptista, Miguel; Bearzi, Giovanni; Fraile, Igaratza; Lacoue-Labarthe, Thomas; Meese, Emily N.; Megalofonou, Persefoni; Rosa, Rui; Sobrino, Ignacio; Sykes, António V.; Villanueva, Roger CSIC ORCID
KeywordsStable isotopes
δ13C and δ15N
Cuttlefish
Cephalopod
Natural tracers
Issue DateSep-2021
PublisherRoyal Society (Great Britain)
CitationRoyal Society Open Science 8(9): 210345 (2021)
AbstractStable isotope compositions of carbon and nitrogen (expressed as δ13C and δ15N) from the European common cuttlefish (Sepia officinalis) were measured in order to evaluate the utility of using these natural tracers throughout the Northeast Atlantic Ocean and Mediterranean Sea (NEAO-MS). Mantle tissue was obtained from S. officinalis collected from 11 sampling locations spanning a wide geographical coverage in the NEAO-MS. Significant differences of both δ13C and δ15N values were found among S. officinalis samples relative to sampling location. δ13C values did not show any discernable spatial trends; however, a distinct pattern of lower δ15N values in the Mediterranean Sea relative to the NEAO existed. Mean δ15N values of S. officinalis in the Mediterranean Sea averaged 2.5‰ lower than conspecifics collected in the NEAO and showed a decreasing eastward trend within the Mediterranean Sea with the lowest values in the most eastern sampling locations. Results suggest δ15N may serve as a useful natural tracer for studies on the population structure of S. officinalis as well as other marine organisms throughout the NEAO-MS
Description8 pages, 3 figures, 1 table, supplemental material https://royalsocietypublishing.org/doi/suppl/10.1098/rsos.210345.-- The data are provided in the electronic supplementary material
Publisher version (URL)https://doi.org/10.1098/rsos.210345
URIhttp://hdl.handle.net/10261/249704
DOIhttp://dx.doi.org/10.1098/rsos.210345
E-ISSN2054-5703
Appears in Collections:(ICM) Artículos
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