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The University of Southampton
Ocean and Earth Science, National Oceanography Centre Southampton

Research project: Evolution of Modern Marine Ecosystems

Currently Active: 

This project is part of a consortium with Plymouth and Oxford investigating the environmental conditions that underpin changes in marine ecosystems during the Mesozoic.

Orange roughy (Hoplostethus atlanticus) deep water fish used for metabolic work
The Orange roughy

The Southampton component of the project is in two parts: Measurement of neodymium (Nd) isotope proxy records across key stratigraphic intervals, and development of novel indicators of fish metabolic rates.

Nd-bearing materials are rare in most of the key sections, and we are working to exploit novel host materials to recover robust isotope chronologies.

Carbon isotopes in fish otoliths reflect metabolic rates, but the precise relationships are unclear. Combined isotopic and enzymatic measurements in modern fish from the continental slope are giving new insights into the measurement of metabolic rate, and the metabolic ecology of deep water fish.

Key Contacts

Dr Clive Trueman

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