Investigating long-term temporal changes in trophic structure of fish communities: insights from whole muscle tissue and compound specific isotopic analysis of amino acids

Leonardo Durante1, Amandine Sabadel1, Travis Ingram2 and Steve Wing3, (1)University of Otago, Department of Marine Science, Dunedin, New Zealand, (2)University of Otago, Department of Zoology, New Zealand, (3)University of Otago, Dunedin, New Zealand