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Postdoc biologist Amy Maas working in the lab.

Postdoc biologist Amy Maas working in the lab.
Postdoc biologist Amy Maas working in the lab.
Postdoc biologist Amy Maas working in the lab.
Postdoc biologist Amy Maas working in the lab.
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Kleindinst, Thomas N.
Postdoc biologist Amy Maas working in the lab.
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10/31/2013
graphics/Amy_Maas/_DSC6374.jpg
Image Of the Day caption:
Post-doctoral investigator Amy Maas examines a flask full of phytoplankton, which she will feed to pelagic snails she collected in the Gulf of Maine. These snailsthe pteropod Limacina retroversaare prey for seabirds, fish and whales in the North Atlantic. They are also increasingly vulnerable to ocean acidification, a process in which carbon dioxide from the atmosphere is absorbed by the ocean, lowering its pH and reducing the amount of carbonate ions available for marine creatures to build their shells. Maas and her colleagues are studying how acidification affects pteropod physiologybut plentiful, healthy food is required to rule out poor diet as a stressor.
Photo by Tom Kleindinst
© Woods Hole Oceanographic Institution
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