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Diet-tissue discrimination and turnover of δ13C and δ15N in muscle tissue of a penaeid prawn
Rapid Communications in Mass Spectrometry  (IF2.419),  Pub Date : 2021-08-19, DOI: 10.1002/rcm.9167
Daniel E. Hewitt, Matthew D. Taylor, Vincent Raoult, Timothy M. Smith, Troy F. Gaston

Stable isotopes are used to study trophic and movement ecology in aquatic systems, as they provide spatially distinct, time-integrated signatures of diet. Stable isotope ecology has been used to quantify species-habitat relationships in many important fisheries species (e.g., penaeid prawns), with approaches that typically assume constant values for diet-tissue discrimination and diet-tissue steady state, but these can be highly variable. Here we provide the first report of these processes in Metapenaeus macleayi (eastern school prawn).