Antarctic Lake Water Chemistry and Rotifer Ecology Study

Measurements of water chemistry, primary productivity, and plankton populations from three lakes at Cape Bird, Antarctica. The study includes weekly and diurnal sampling of light, temperature, oxygen, pH, chlorinity, alkalinity, conductivity, chlorophyll, and carotenoids. Data was collected by SCIOPS and last updated in 1975.

Use Cases

• Modeling primary productivity from chlorophyll and carotenoid measurements across different lake depths.
• Analyzing diurnal patterns in water column parameters like temperature and oxygen at Green Lake.
• Investigating rotifer (Philodina gregaria) survival and fecundity under controlled experimental conditions.
• Correlating water chemistry features like pH and conductivity with plankton community composition.
• Mapping the distribution of Philodina gregaria across various Ross Sea area lakes and ponds.

Strengths

• Includes diurnal study with measurements at 4-hour intervals over a 24-hour period.
• Sampling performed at multiple depths and from multiple stations across three distinct lakes.
• Study covers multiple ecological facets: water chemistry, primary productivity, and specific faunal behavior.

Limitations

• Exact row count, column names, and sample sizes are unknown.
• Data is temporally stale, last updated in 1975, limiting analysis of current conditions.
• Geographic scope is limited to specific sites at Cape Bird and the Ross Sea area.

Provenance

Source

SCIOPS via NASA Earthdata.

Collection Method

Field sampling with measurements of light, temperature, oxygen, pH, chlorinity, alkalinity, conductivity, primary productivity, chlorophyll, and carotenoids. Plankton samples were examined live and preserved.

Time Range

Study conducted circa 1975.

Geography

Cape Bird, Antarctica (Penguin Pond, Green Lake, Harrison Lake), with additional samples from Cape Royds, Cape Evans, Scott Base, Black Island, Darwin Mountains, and Taylor Valley lakes.