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Acidifying oceans and the future of molluscs: implications for food security?

Some of the threats posed by climate change can appear rather esoteric or abstract. One of these is ocean acidification - it is not immediately obvious why we should care. A recent paper by Sara Cooley and colleagues give a good example of why the threat of changing ocean chemistry matters.
 
In my last blog I pointed out that most of the food produced by farming the sea is molluscs. This represents about two-thirds of the worlds global mollusc production, to which we must add the supply that comes from wild fisheries. Not only are these supplies important for those of us in developed countries who enjoy the luxury of eating oysters and mussels, they are also critical to the income, food and nutrition security of many, particularly, in Southeast and East Asia. Continue reading...