Data from 1993 on the lipid composition of Antarctic krill (Euphausia superba) during short-term starvation and controlled feeding experiments. The dataset includes measurements of total lipid, lipid classes, fatty acids, and sterols per digestive gland. It was aggregated by the AU_AADC organization from referenced scientific papers.
Use Cases
- Model krill nutritional condition based on relative levels of polar lipids, free fatty acids, and cholesterol.
- Determine recent dietary composition of krill based on sterol profiles indicative of algal origin.
- Assess the adequacy of different phytoplankton food sources, like Phaeocystis pouchetii, for krill based on fatty acid profiles.
- Analyze lipid utilization patterns during starvation periods based on changes in lipid class and fatty acid percentages.
Strengths
- Includes specific quantitative measurements, such as total lipid decreasing from 1960 to 385 micrograms per digestive gland during a 19-day starvation.
- Provides detailed breakdowns of lipid classes (e.g., polar lipids, triglycerides) and fatty acids (e.g., eicosapentaenoic, palmitic acid) with percentages and absolute levels.
- Data is derived from controlled experiments comparing krill fed on different cultured phytoplankton diets.
Limitations
- Last updated 1993-03-31 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
- AU_AADC
- Collection Method
- Aggregated from abstracts of referenced scientific papers.
- Time Range
- 1993
- Freshness
- 1993-03-31
- Geography
- Antarctic region