Antarctic soil and sediment prokaryote community structures from eight distinct sites around Casey Station were investigated. The dataset includes 12 identified bacterial sequences and environmental variables like pH, carbon, nitrogen, and water content. It was produced by SCIOPS using denaturing gradient gel electrophoresis (DGGE) of amplified 16S rDNA fragments.
Use Cases
- Compare bacterial community similarity between sites based on presence/absence matrices.
- Analyze the correlation between environmental variables like pH and bacterial diversity.
- Study the impact of human activity on microbial communities by comparing protected and impacted sites.
- Identify dominant bacterial phyla, such as Bacteroidetes, in Antarctic soil samples.
Strengths
- Identifies 12 specific bacterial sequences across nine Bacteroidetes, two Proteobacteria, and one Gemmatimonadetes.
- Includes environmental variables like soil pH, carbon, nitrogen, and water content for correlation analysis.
- Compares community structures across eight distinct sites, including protected and human-impacted areas.
Limitations
- Row count and column-level documentation are absent; field semantics must be inferred after download.
- Last update date is unknown; freshness unverified.
Provenance
- Source
- SCIOPS via NASA Earthdata
- Collection Method
- Denaturing gradient gel electrophoresis (DGGE) of amplified 16S rDNA fragments, with environmental variable measurement.
- Geography
- Eight distinct sites around Casey Station, Antarctica, including ASPA 135, ASPA 136, Browning Peninsula, Thalla Valley, and Red Shed.