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Svensson, Elisabeth; Freitas, Vania; Schouten, Stefan; Middelburg, Jack J; van der Veer, H W; Sinninghe Damsté, Jaap S (2014): Comparison of the stable carbon and nitrogen isotopic values of gill and white muscle tissue of fish [dataset]. PANGAEA,, Supplement to: Svensson, E et al. (2014): Comparison of the stable carbon and nitrogen isotopic values of gill and white muscle tissue of fish. Journal of Experimental Marine Biology and Ecology, 457, 173-179,

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The potential use of stable carbon and nitrogen isotope ratios (d13C, d15N) of fish gills for studies on fish feeding ecology was evaluated by comparing the d13C and d15N of gill tissue with the more commonly used white muscle tissue. To account for the effect of lipid content on the d13C signatures, a study-specific lipid correction model based on C:N ratios was developed and applied to the bulk d13C data. For the majority of species in the study, we found no significant difference in d13C values between gill and muscle tissue after correction, but several species showed a small (0.3-1.4 per mil) depletion in 13C in white muscle compared to gill tissue. The average species difference in d15N between muscle and gill tissue ranged from -0.2 to 1.6 per mil for the different fish species with muscle tissue generally more enriched in 15N. The d13C values of muscle and gill were strongly linearly correlated (R**2 = 0.85) over a large isotopic range (13 per mil), suggesting that both tissues can be used to determine long-term feeding or migratory habits of fish. Muscle and gill tissue bulk d15N values were also strongly positively correlated (R**2= 0.76) but with a small difference between muscle and gill tissue. This difference indicates that the bulk d15N of the two tissue types may be influenced by different isotopic turnover rates or a different composition of amino acids.
Latitude: 53.000000 * Longitude: 4.770000
Date/Time Start: 2011-04-10T00:00:00 * Date/Time End: 2011-10-28T00:00:00
Texel_S * Latitude: 53.000000 * Longitude: 4.770000 * Location: Wadden Sea
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
2Sample code/labelSample labelSvensson, Elisabethday of catch (ddmmyy), followed by running number(-xx)
3SpeciesSpeciesSvensson, Elisabeth
4Length, total individualTL indmmSvensson, Elisabeth
5Sample typeSamp typeSvensson, Elisabethmuscle (M) or gill (G)
6δ13Cδ13C‰ PDBSvensson, Elisabeth
7δ13C, standard deviationδ13C std dev±Svensson, Elisabeth
8δ15Nδ15N‰ airSvensson, Elisabeth
9δ15N, standard deviationδ15N std dev±Svensson, Elisabeth
10Carbon, organic, totalTOC%Svensson, Elisabethdry wt %
11Carbon, organic, total, standard deviationTOC std dev±Svensson, Elisabethdry wt %
12Nitrogen, totalTN%Svensson, Elisabethdry wt %
13Nitrogen, total, standard deviationTN std dev±Svensson, Elisabethdry wt %
14Carbon, organic/Nitrogen, total ratioC org/TNSvensson, Elisabeth
15CommentCommentSvensson, Elisabethsample was used for lipid extraction (Yes/No)
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