Elemental turnover rates and trophic discrimination in juvenile Lebranche mullet Mugil liza under experimental conditions

Elemental turnover rates and trophic discrimination in juvenile Lebranche mullet Mugil liza under experimental conditions

The aim of this study was to determine the isotopic‐turnover rate (RIT) and trophic‐discrimination factor (FTD) in muscle tissues of Lebranche mullet Mugil liza fed an experimental diet (δ13C = −27·1‰; δ15N = 1·0‰). Juvenile M. liza exhibited a relatively fast RIT, with a half‐life (t50) of only 16...

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Veröffentlicht in:Journal of fish biology 2017-10, Vol.91 (4), p.1241-1249
Hauptverfasser: Oliveira, M. C. L. M., Mont'alverne, R., Sampaio, L. A., Tesser, M. B., Ramos, L. R. V., Garcia, A. M.
Format: Artikel
Sprache:eng
Schlagworte:
Animals
carbon and nitrogen stable isotopes
Carbon Isotopes - analysis
Carbon Isotopes - metabolism
controlled diet experiments
Diet
Discrimination
Feeding Behavior
Food Chain
Frontotemporal dementia
Marine fishes
marine‐estuarine dependent species
Mugil liza
Muscles - chemistry
Muscles - metabolism
Nitrogen isotopes
Nitrogen Isotopes - analysis
Nitrogen Isotopes - metabolism
Smegmamorpha - metabolism
Smegmamorpha - physiology
Tissue
Tissues
Turnover rate
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Zusammenfassung:The aim of this study was to determine the isotopic‐turnover rate (RIT) and trophic‐discrimination factor (FTD) in muscle tissues of Lebranche mullet Mugil liza fed an experimental diet (δ13C = −27·1‰; δ15N = 1·0‰). Juvenile M. liza exhibited a relatively fast RIT, with a half‐life (t50) of only 16 and 14 days for δ13C and δ15N respectively and a nearly complete isotopic turnover (t95) of 68 and 60 days for δ13C and δ15N.
ISSN:0022-1112
1095-8649
DOI:10.1111/jfb.13408