Investigating the Effects of Ocean Acidification on Antarctic Soft Sediment Microbial Communities

This is a new project in collaboration with the Australian Antarctic Division aimed at understanding the future effect of predicted climate change on microbial communities present in Antarctic sediments. Antarctic soft sediment communities and microalgae biofilms have been established into 20 experimental replicates to investigate the long-term impacts of ocean acidification under high and lower light regimes.

These experiments will use next generation sequencing tools to identify microbial community shifts under various treatment conditions for a minimum of three months. Numerous fine scale biological endpoints (i.e. diatom physiology and net production) and biogeochemistry endpoints (pH diffusive boundary (DBL) layer pH) will be available to enable a comprehensive investigation into the effects of future climate change scenarios on vulnerable Antarctic communities .


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