Ongoing Projects

The Arctic Ocean’s unique physical characteristics and food-web structure influence the biogeochemical cycle of neurotoxic monomethylmercury (MMHg), allowing it to reach high levels in biota. In the Arctic, MMHg is a health concern for marine wildlife and human communities dependent on arctic ecosystems for hunting and fishing. For this project, we use sea ice and water column mercury concentrations and speciation to elucidate the reasons behind the high biota concentrations.

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Collaborators:

Lars-Eric Heimbürger-Boavida, CNRS, France

Anne L. Soerensen, Swedish Museum of Natural History

Elsie Sunderland, Harvard University, USA

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