Charles Morgan III, Lyon College

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Class Year:

2008

Mentor:

Rodger Harvey, Ph.D.

Project Title:

Using Lipid Biomarkers to Determine the Diet History of Euphausiids in the Bering Sea

Abstract:

While it is known that krill are very important in the food web of the Bering Sea and that their transfer of lipids from organism to organism is paramount to a healthy ecosystem, it is unknown to what extent that this takes place. It was discovered that krill were eating phototrophic organisms by way of finding phytol, a chlorophyll breakdown product, in their bodies. It is also evident that the krill were eating assorted species of diatoms from the diatom-exclusive sterols found in the krill. While this work may have continued and produced more conclusive evidence, I was offered an opportunity to board a polar science research vessel manned by the United States Coast Guard in the Bering Sea. As this is a very valuable opportunity and not one to pass up, I accepted and spent the month of July performing genuine oceanographic field work with krill.

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