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Meet the Lab

DR. CAMILLE WHITE

 Aquaculture is an increasingly common trophic subsidy in coastal marine ecosystems, with waste feed, faecal material and nitrogenous wastes potential food sources for marine consumers. As modern aquafeeds are increasingly high in terrestrial lipids and oils, the biochemical composition of the aquaculture-derived subsidy is relatively alien in the marine environment. Using terrestrial fatty acids as a tool, I investigated dispersal and uptake of the aquaculture subsidy, in both laboratory and field scenarios. I was able to demonstrate that aquaculture outputs are widely dispersed in marine systems and assimilated by marine consumers. Using marine amphipods and sea urchins as model species, I examined maternal and multi-generational effects of increased terrestrial lipids in the diet of marine consumers. I found that consuming waste could alter both biochemical composition and reproductive outputs in invertebrate fauna. When applied to a field scenario, where aquaculture outputs have been linked to increases in sea urchins, I found that broader-scale effects will be a trade-off between energetic benefits of consuming a lipid-rich subsidy, versus any negative effects that a high terrestrial diet may have on reproductive outcomes. Camille is now a lecturer at the University of Tasmania.    

Camille's Publications
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SALTT acknowledges the Traditional Owners of the lands on which our research is conducted. These lands always were, and always will be, the lands of Aboriginal and Torres Strait Islander People. 


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