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October Monthly Meeting: Dr. Steve Emslie
Event Chair: Patsy Inglet
DETAILS:
The Paleohistory of Adélie Penguins in the Ross Sea Region, Antarctica
In this presentation, Dr. Steve Emslie will provide an overview of penguin ecology in Antarctica with a synopsis of his research and the impacts of climate change that he has witnessed in over 25 years of work there.
Five species of penguins breed in Antarctica, but only two are endemic, the Adélie and the Emperor Penguin. Dr. Emslie will describe ecology and breeding biology of the Adélie Penguin, the most abundant species in Antarctica that also acts as an excellent indicator species for the marine environment. This species also has the longest fossil record of any seabird in the Ross Sea region of Antarctica that allows stable isotope, ancient DNA, and radiocarbon analyses of well-preserved tissues extending from hundreds to thousands of years in age. This record is providing insights on the responses by the Adélie Penguin to climate change in the past, allowing predictions of their responses in the future as we continue to see dramatic changes in the Antarctic environment. A new direction in this research uses a combination of carbon, nitrogen, and sulfur isotopes to assess penguin foraging areas, past and present.
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