SIPEX - Sea Ice Physics and Ecosystem eXperiment voyage data from September/October 2007 investigates krill (Euphausia superba) growth and condition off East Antarctica. The dataset includes assessments of diet, lipid content, growth rates, digestive gland size, fatty acid profiles, and stomach contents for larval and postlarval krill. It was produced by the Australian Antarctic Division (AU_AADC) as part of AAS projects 2337 and 2767.
Use Cases
- Analyze krill condition by correlating lipid_content with growth_rates and digestive_gland_size across larval and adult life stages.
- Model winter feeding strategies using fatty_acid_profiles and stomach_content_analysis data from specimens collected in open water and under ice.
- Investigate food deprivation effects by comparing metrics from the starvation_study with data from field-collected krill.
- Assess potential food sources by evaluating lipid and fatty_acid_composition data from analyzed prey items.
Strengths
- Data collected during a dedicated scientific voyage (SIPEX) in a key Antarctic region (110-130°E).
- Investigates multiple biological aspects: condition, diet, feeding history, and starvation response.
Limitations
- Specific sample sizes (row counts) and measurement details for columns are unknown.
- Data is from a single cruise in 2007, limiting temporal analysis and modern comparisons.
Provenance
- Source
- Australian Antarctic Data Centre (AU_AADC), AAS projects 2337 and 2767.
- Collection Method
- Field collection and laboratory analysis of krill specimens from open water and under sea ice.
- Time Range
- September-October 2007.
- Freshness
- null
- Geography
- East Antarctica, 110 to 130 degrees East longitude.