NASA EAGER project data compares eukaryotic and prokaryotic gene expression patterns in planktonic communities under sea ice along the West Antarctic Peninsula. The dataset addresses a gap in ecological observations during the winter-spring transition, with initial data collection in November and December 2015. It was produced by the AMD_USAPDC organization and last updated in July 2018.
Use Cases
- Analyze gene expression patterns to establish the relative importance of chemoautotrophy, heterotrophy, mixotrophy, and phototrophy in microbial communities.
- Compare eukaryotic and prokaryotic gene expression data from samples collected under ice cover in coastal embayments.
- Study cryptophyte phytoplankton physiology beneath ice conditions during the ecologically critical winter to spring transition.
Strengths
- Addresses a known gap with no prior gene expression data available for the Antarctic marine environment during the winter-spring transition.
- Enables comparison of eukaryotic and prokaryotic gene expression patterns for a specific ecological process.
Limitations
- Dataset size, row count, and specific column structure are unknown.
- Temporal coverage is limited, with baseline data from a single season in late 2015.
- Geographic scope is focused on coastal embayments along the West Antarctic Peninsula.
Provenance
- Source
- NASA Earthdata via AMD_USAPDC (Antarctic Master Directory / United States Antarctic Program Data Center).
- Collection Method
- 'Omics' analyses (e.g., gene expression) of phytoplankton from experiments conducted under unique ice conditions.
- Time Range
- Primary experiment during November and December 2015.
- Freshness
- Last updated in 2018; update frequency is unknown.
- Geography
- Coastal embayments along the West Antarctic Peninsula.