Supplementary material from "Regional patterns of δ 13 C and δ 15 N for European common cuttlefish ( Sepia officinalis ) throughout the Northeast Atlantic Ocean and Mediterranean Sea"

Stable isotope compositions of carbon and nitrogen (expressed as δ 13 C and δ 15 N) 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...

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Bibliographic Details
Main Authors: David Wells, R. J., Rooker, Jay R., Addis, Piero, Arrizabalaga, Haritz, Baptista, Miguel, Bearzi, Giovanni, Fraile, Igaratza, Lacoue-Labarthe, Thomas, Meese, Emily N., Megalofonou, Persefoni, Rosa, Rui, Sobrino, Ignacio, Sykes, Antonio V., Villanueva, Roger
Format: Article in Journal/Newspaper
Language:unknown
Published: The Royal Society 2021
Subjects:
Ecology
FOS Biological sciences
Northeast Atlantic
Online Access:https://dx.doi.org/10.6084/m9.figshare.c.5577714
https://rs.figshare.com/collections/Supplementary_material_from_Regional_patterns_of_i_i_sup_13_sup_C_and_i_i_sup_15_sup_N_for_European_common_cuttlefish_i_Sepia_officinalis_i_throughout_the_Northeast_Atlantic_Ocean_and_Mediterranean_Sea_/5577714
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Summary:Stable isotope compositions of carbon and nitrogen (expressed as δ 13 C and δ 15 N) 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 δ 13 C and δ 15 N values were found among S. officinalis samples relative to sampling location. δ 13 C values did not show any discernable spatial trends; however, a distinct pattern of lower δ 15 N values in the Mediterranean Sea relative to the NEAO existed. Mean δ 15 N 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 δ 15 N 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.

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