Mercury is one of the top ten contaminants of concern for human health identified by the World Health Organization. Our five-year collaborative research funded by the National Science Foundation, Office of Polar Programs will investigate the patterns of mercury contamination for the past 3000 years in ocean species important to Native Alaskan Diets. Mercury content of archaeological, historic, and modern bone samples will be measured in three species important for Alaskan coastal community subsistence, cultural, and commercial purposes: Pacific cod, Northern fur seal, and Steller sea lion. We will analyze mercury data in the context of food web dynamics, broad-scale climatic change, regional-scale regime shifts, acute natural occurrences such as volcanic eruptions, and potential human inputs, to determine key contributors to mercury dynamics in the Aleutian ecosystem.
Meeting ID: 758 151 669
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