Research data investigates larval dispersal as a mechanism for gene flow between Antarctic and South American benthic invertebrate populations. The dataset likely contains plankton samples, hydrographic data, and molecular phylogenetic comparisons from transects across the Drake Passage. The work was conducted by AMD_USAPDC and last updated in January 2010.
Use Cases
- Modeling hydrographic mechanisms for larval dispersal across polar fronts based on concurrent hydrographic data.
- Identifying genetic breaks and historical gene flow by comparing adult forms from Antarctic and South American continents.
- Linking planktonic larvae to their adult forms using molecular phylogenetic tools.
- Assessing the role of planktonic larval dispersal in maintaining genetic continuity for non-endemic species.
Strengths
- Data collection designed to test a specific, novel mechanism for gene flow in a remote region.
- Sampling strategy includes both austral summer and winter seasons for temporal comparison.
- Integrates multiple data types: plankton samples, hydrographic data, and molecular phylogenetic comparisons.
Limitations
- Last updated 2010-01-31 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
- AMD_USAPDC via NASA EarthData
- Collection Method
- Plankton sampling and hydrographic data collection along transects across Drake Passage, combined with molecular phylogenetic analysis.
- Freshness
- Last updated 2010-01-31 23:59:59.999000
- Geography
- Drake Passage, Antarctic Peninsula, and South American regions.