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

Oliveira M. C. L. M. | Zendy; Mont'alverne R. | Zendy; Sampaio L. A. | Zendy; Tesser M. B. | Zendy; Ramos L. R. V. | Zendy; Garcia A. M. | Zendy

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

Author(s) -

Oliveira M. C. L. M.,

Mont'alverne R.,

Sampaio L. A.,

Tesser M. B.,

Ramos L. R. V.,

Garcia A. M.

Publication year - 2017

Publication title -

journal of fish biology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.672

H-Index - 115

eISSN - 1095-8649

pISSN - 0022-1112

DOI - 10.1111/jfb.13408

Subject(s) - mugil , mullet , biology , juvenile , trophic level , turnover , fishery , zoology , ecology , fish <actinopterygii> , management , economics

The aim of this study was to determine the isotopic‐turnover rate ( R IT ) and trophic‐discrimination factor ( F TD ) in muscle tissues of Lebranche mullet Mugil liza fed an experimental diet (δ 13 C = −27·1‰; δ 15 N = 1·0‰). Juvenile M. liza exhibited a relatively fast R IT , with a half‐life ( t 50 ) of only 16 and 14 days for δ 13 C and δ 15 N respectively and a nearly complete isotopic turnover ( t 95 ) of 68 and 60 days for δ 13 C and δ 15 N.

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