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Citations since 2017
2 Research Items
I am a PhD Candidate in the Marine and Freshwater Research Centre at the Galway-Mayo Institute of Technology (GMIT). My research is examining long-term changes in Atlantic salmon using their scales. The Atlantic salmon is an ecologically, culturally, and economically important fish, but steady population declines are being recorded during the marine phase. Using stable isotope analysis of scales held in a vast archive at the Marine Institute, I aim to investigate if changes in feeding location and trophic level of prey can be related to environmental changes. Additionally, I will measure cortisol in the scales of Atlantic salmon to build a stress history for salmon and determine if their stress levels have changed over time.
There is debate in the literature as to whether scales of fishes require acidification to remove inorganic carbonates prior to stable isotope analysis. Acid‐treated and untreated scales from 208 Atlantic salmon from nine locations on both sides of the Atlantic were analysed for δ¹³C and δ¹⁵N. Linear mixed effects models determined the effect of aci...