Warning of acid threat to fish stocks – Fishupdate.com

Warning of acid threat to fish stocks Published:  11 June, 2014

Olafur Grimsson

A WARNING has been issued about the growth of acid deposits in the North Atlantic – and the impact it could have on fish stocks.

It has come from  Hrönn Egilsdóttir, a doctoral student in geology at the University of Iceland, who has said the problem is likely to have negative consequences for the ocean eco-system if it was not dealt with quickly. She added that the seas around her own country were also at risk. Her warning comes soon after the  president of Iceland, Mr Olafur Grimsson, said  the aggressive melting of the sea  ice was creating a new ocean and affecting fish stocks.Ms Egilsdottir has recently  been investigating ocean acidification and its consequences for  ocean ecosystems. Her project is entitled “the effect of ocean acidification calcium forming the biosphere around Iceland” and is thought to be the first study of its kind. She maintains that ocean acidification is the direct result of rapid industrialisation over the past few decades, with concentrations of carbon dioxide increasing at a faster rate. She said it was a development as serious as global warning since higher concentrations of CO2 decreased the natural biology of the ocean with the acid growth harming fish and other marine life. Hrönn Egilsdóttir said: “Unfortunately we still do not know enough because there has not yet been adequate research into this problem. We need to investigate it further so we can react in the right manner. She added that acidification in the seas north of Iceland was increasing considerably faster than those in the south Atlantic. and it was not just Iceland that is affected. In the United States, for example, companies with oyster farms on the west coast had moved their operations to Hawaii because of decreasing calcium content and increased acidification.

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