| Summary: | This report aims to provide a concise overview of the present state of scientific knowledge of ocean acidification and its likely impacts on organisms and ocean ecosystems. This is particularly relevant in the context of the possible implications and ramifications of ocean acidification for Irish marine areas. Discussion on how mankind’s CO2 emissions are changing ocean chemistry; consequences of ocean acidification; ocean acidification as an emerging cause for concern; international policy drivers, strategies and necessary actions; and research and information needs are presented. Ireland’s marine location and extensive marine resources in our shelf seas, Atlantic waters and habitats of the west coast mean we are uniquely positioned to contribute to international scientific efforts to monitor and understand the impacts of ocean acidification. Monitoring and research of key biological, chemical and physical factors in these regions will allow us to determine the current status of Irish Marine waters, the rate of change in the carbonate cycle and the influence of this change on natural communities and ecosystems. The Marine Institute’s SSTI funded Sea Change programme includes a Rapid Climate Change programme. Under this, a two year collaborative project between NUI Galway and Marine Institute ‘Impacts of increased atmospheric CO2 on ocean chemistry and ecosystems’ is developing capabilities for measuring pCO2 fluxes, inorganic carbon chemistry and pH and is initiating baseline measurements of these parameters in coastal and offshore waters. This report summarises the issues and state of knowledge and communicates ongoing monitoring and research needs into acidification. Funder: Marine Institute
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