Plankton Dynamics During Antarctic Polar Night Transition

Data from the International Polar Year 2007-2008 project studies plankton in the Taylor Valley lakes during the transition to polar night. The research, conducted by an international team from the UK and New Zealand, addresses physiological adaptations to extreme cold and prolonged darkness. It contributes to long-term data from the McMurdo Dry Valleys Long Term Ecological Research site.

Use Cases

• Analyze changes in autotrophic and heterotrophic microplankton functional roles during the onset of darkness.
• Study physiological and metabolic adaptations of lake organisms to low temperature and extended darkness.
• Model ecosystem function control by individual organisms during the seasonal transition to polar night.
• Integrate genomic and physiological data to understand survival strategies in permanently ice-covered lakes.

Strengths

• Data collection is part of the high-profile International Polar Year 2007-2008 initiative.
• Research synergistically adds to long-term data from established McMurdo LTER and Microbial Observatory projects.
• Project involved an international, multidisciplinary team including students and young investigators.

Limitations

• Nearly all prior research on these lakes is restricted to austral spring and summer, creating potential seasonal data gaps.
• The unique aspects of physiological adaptation during the Antarctic winter remain largely unknown, indicating exploratory data.
• Sample data, file formats, and specific data volume (rows, size) are unavailable for assessment.

Provenance

Source

AMD_USAPDC (United States Antarctic Program Data Center).

Collection Method

Interdisciplinary study using genomic and physiological tools on selected biological components of lake ecosystems.

Time Range

Collection period associated with the International Polar Year 2007-2008, focusing on the transition to polar night.

Freshness

Data was last updated in August 2010.

Geography

Permanently ice-covered lakes in the Taylor Valley, McMurdo Dry Valleys, Antarctica.