Samples collected at O'Gorman Rocks and Ellis Fjord near Davis station from December 1997 to March 1998 provide data on zooplankton abundance, chlorophyll a concentration, and particulate organic carbon. The dataset resulted from projects ASAC 963 and ASAC 2229, managed by the Australian Antarctic Data Centre. Field and laboratory work included depth-stratified sampling, sediment trap collection, and grazing experiments.
Use Cases
- Model carbon export flux by correlating faecal pellet CHN analysis data with sediment trap particulate organic carbon measurements.
- Analyze zooplankton grazing pressure using laboratory experiment data alongside field measurements of chlorophyll a concentration and protist abundance.
- Assess seasonal biomass changes by examining depth-stratified zooplankton abundance and biomass data collected over the four-month sampling period.
- Study protist community dynamics by linking water sample identification and abundance data with environmental carbon concentration measurements.
Strengths
- Data integrates multiple measurement types including zooplankton biomass, chlorophyll a, and organic carbon from a focused four-month field campaign.
- Samples are depth-stratified and include complementary laboratory grazing experiments, providing context for field observations.
Limitations
- Temporal coverage is limited to a single season (Dec 1997-Mar 1998), preventing analysis of interannual variability.
- Geographic scope is restricted to two specific sites near Davis Station, limiting regional generalizability.
- Sample size and row count are unknown, which may constrain statistical power for some analyses.
Provenance
- Source
- Australian Antarctic Data Centre (AU_AADC), originating from projects ASAC 963 and ASAC 2229.
- Collection Method
- Field collection of depth-stratified water and zooplankton samples, sediment trap deployment, and laboratory grazing experiments with CHN analyses.
- Time Range
- December 1997 to March 1998.
- Freshness
- Last updated in March 1998; dataset is historical with no indicated updates.
- Geography
- Coastal Antarctic sites: O'Gorman Rocks and Ellis Fjord near Davis station.