Phytoplankton Biomass and Productivity During the Polar Winter in the Ross Sea

Phytoplankton samples from the Ross Sea region were analyzed during the polar winter to investigate primary production. Measurements include chlorophyll biomass, photosynthesis rates, photophysiology, and grazing pressures from zooplankton. The dataset was contributed by SCIOPS and last updated in 2009.

Use Cases

• Modeling winter primary production rates based on measured photosynthesis and photoadaptive indices.
• Comparing physiological activity and adaptation across phytoplankton taxa based on quantum yield and photosynthetic efficiency data.
• Assessing carbon allocation pathways in phytoplankton communities based on measured photosynthate into protein, polysaccharide, and lipid.
• Estimating grazing pressure on phytoplankton and sea ice algae based on measured growth and grazing rates.

Strengths

• Focus on a specific and understudied period: the polar winter in the Antarctic Ross Sea.
• Includes multiple physiological and ecological metrics: biomass, productivity, photophysiology, and grazing rates.

Limitations

• Last updated 2009-10-09 23:59:59.999000; freshness should be verified.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

SCIOPS

Collection Method

Samples obtained from the water column at Cape Armitage and Cape Evans, analyzed using fluorometric methods and PAM fluorometry.

Time Range

Polar winter period (specific years not stated).

Freshness

Last updated 2009-10-09 23:59:59.999000

Geography

Ross Sea region, Antarctica (Cape Armitage, Cape Evans).