Anton Dohrn Seamount Biotope and Habitat Map, 2009 Survey

Anton Dohrn Seamount in UK waters features a geospatial map of Annex I and non-Annex I marine habitats, translated to the EUNIS classification system by the Joint Nature Conservation Committee (JNCC). Data was collected in July 2009 aboard the MV Franklin using multibeam echosounder acoustics and drop camera/towed video at 10 sites. The map includes polygons attributed with habitat types, biotopes, substrate classifications, and confidence scores based on the data sources used.

Use Cases

• Classifying Annex I reef habitat types based on the 'Annex_1_summ' attribute column.
• Mapping marine biotope distributions using the summarized 'biot_summ' column for map creation.
• Assessing mapping confidence for habitat predictions using the documented confidence score system.
• Analyzing substrate composition (muds, sands, gravels) within mapped biotope polygons.

Strengths

• Includes ground-truthed data from 10 camera/video survey sites conducted in July 2009.
• Attributes each polygon with a documented confidence score (1-4) based on data source quality.
• Distinguishes between 'observed' and 'predicted' habitats based on seabed imagery or extrapolation.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and spatial extent are unknown, which may limit suitability assessment.
• Some habitat classifications are marked as 'Potential', based purely on geological map data without groundtruthing.

Provenance

Source

Joint Nature Conservation Committee (JNCC)

Collection Method

Data collected via ship-based survey (MV Franklin) using multibeam echosounder and drop camera/towed video, combined with earlier survey data from 2005.

Time Range

Primary survey conducted in July 2009, incorporates data from a 2005 survey.

Freshness

Last updated 2026-04-14 09:47:31.448197; freshness should be verified.

Geography

Anton Dohrn Seamount, UK waters, with focus on south-eastern and north-western flanks.