Climate Change and the Mariculture Industry

May 2015 was yet another record-breaking month. Average atmospheric carbon dioxide levels reached 403.70 part per million (ppm), some 53.70 ppm above what is considered to be the upper safety limit.  Our warming planet, the Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report Synthesis Report released in November 2014 say with 95% certainty, is primarily down to humans, and mainly from our greenhouse gas emissions.

With greenhouse gas emissions also altering the carbonate chemistry of the ocean, climate change’s “evil twin” ocean acidification is also a growing cause for concern.  Climate change also impacts the ocean, and these changes will in turn impact a variety of marine life, including those caught for mariculture feed - and mariculture species themselves...

aquaculture-netpen

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Image: Coastal net pens off the coast of Maine, USA. Credit NOAA National Ocean Service/Flickr (CC BY 2.0)