Pechora Sea Benthic Fauna Samples and Community Types

Quantitative samples of benthic fauna were collected at 15 stations in the Pechora Sea for analysis of species distribution and faunal composition. The dataset contains 1300 records of marine life, structured by the organization SCIOPS. Data collection was completed by July 1992.

Use Cases

• Classify faunal community types (e.g., sub-surface detritivorous Polychaeta) based on station location and environmental parameters like water depth.
• Model the relationship between sediment type and the dominance of specific taxa like Foraminifera or Crustacea using multivariate statistics.
• Analyze spatial variation in species composition, such as comparing opportunistic faunal compositions in Chernaya Fjord to communities in the Kara Strait area.
• Identify correlations between oceanographic conditions (e.g., low salinity in Pechora Bay) and characteristic benthic fauna groups.

Strengths

• 1300 records of quantitative benthic samples.
• Covers 15 distinct sampling stations across a heterogeneous Arctic sea region.
• Analysis links community composition to concrete factors like water depth and sediment type.

Limitations

• Data is from a single sampling period concluded in 1992, limiting temporal analysis.
• Sample size of 15 stations may not capture full spatial heterogeneity of the Pechora Sea.
• Specific column names and measurement units for the 1300 records are not provided.

Provenance

Source

MarBEF Data System, provided by SCIOPS via NASA Earthdata.

Collection Method

Quantitative samples collected at marine stations for analysis of species distribution and faunal composition.

Time Range

Data collection completed by July 1992.

Freshness

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Geography

Pechora Sea, including areas around Kolguyev Island, Novaya Zemlya coast, Kara Strait, and Pechora Bay.