2013-2014 Science Planning Summaries
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Genetic connectivity and biogeographic patterns of Antarctic benthic invertebrates

Program Manager:
Dr. Lisa Clough

Event Number: B-281-L

ASC POC/Implementer:
Adam Jenkins

Dr. Kenneth Halanych (Principal Investigator)
http://www.auburn.edu/antarctica/External Non U.S. Government Site

Auburn University
Auburn, Alabama

Supporting Stations:  ARSV Laurence M. Gould
Research Locations:  Western Antarctic Peninsula, Bellingshausen Sea

Project Description:
The overarching goal of this project is to provide an evolutionary understanding of how marine benthic organisms (including their larvae) are genetically structured and physically distributed in the Western Antarctic. This information will have direct implications for understanding past and future range shifts of organisms. In particular, researchers will examine larval distributions and assess if distributions are consistent with patterns of genetic connectivity within Antarctic waters. To this end, they will employ an integrative approach that focuses on the genetic signatures of historical gene flow or isolation.

Field Season Overview:
Field team members will sail on the ARSV Laurence M. Gould from Punta Arenas, Chile to Marguerite Bay and the Bellingshausen Sea. They will conduct sampling along the ice edge using a Blake trawl, an Agassiz trawl, a rock dredge and a box corer. They will also use a Yo-Yo camera to conduct bottom transects.

Deploying Team Members:

  • Kenneth Halanych (PI)
  • Andrew Mahon (Co-PI)
  • Scott Santos (Co-PI)

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