Title

EUNIS habitat classification for iAtlantic Region 11: Vitoria-Trindade Seamou...

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Abstract

This dataset includes 11 regional EUNIS-classified habitat maps (100-1000 km) and associated confidence maps that were created as a project milestone (Nr. 12) of the EU H2020 project 'iAtlantic'. The 12 iAtlantic regions encompass 1. Subpolar Mid-Atlantic Ridge, off Iceland MFRI, 2. Rockall Trough to PAP, 3. Central mid-Atlantic Ridge, 4. NW Atlantic, Gully Canyon, 5. Sargasso Sea, 6. Eastern Tropical North Atlantic, Cape Verde, 7. Equatorial Atlantic, Romanche Fracture Zone, 8. Slope & margin off Angola & Congo Lobe, 9. Benguela Current, Walvis Ridge to South Africa, 10. Brazil margin & Santos and Campos Basin, 11. Vitória-Trindade Seamount Chain and 12. Malvinas Current. For each of the regions 2-12, a shapefile of polygons classified according to the 2022 EUNIS classification level 3 and a second shapefile of the same polygons attributed with their confidence level according to the MESH Accuracy & Confidence Working approach was created. EUNIS classifications combined biozone and substrate data. Biozones were assigned from bathymetry. Where MBES was not available, GEBCO bathymetry was used. Substrate data were extracted from pre-existing geological/substrate mapping efforts and converted to EUNIS classifications via cross walks or, where substrate data were limited, substrate layers were modelled using Random Forest. The EUNIS habitat map for Region 4 was based on the pre-existing surficial geology compilation of the Scotian Shelf bioregion compiled by the Geological Survey of Canada. The EUNIS habitat map for Region 9 was based on the pre-existing South African habitat map that uses a modified IUCN hierarchical classification system. No additional information to that used in the EUSeaMap was available for Region 1. Therefore, shapefiles were not created for Region 1. The original data in PANGAEA can be accessed at https://doi.org/10.1594/PANGAEA.962621.

Publication Date

May 30, 2023, 9:38 a.m.

Type

Vector Data

Keywords

EUNIS habitat types , features , Habitat Mapping , iAtlantic , Integrated Assessment of Atlantic Marine Ecosystems in Space and Time , Region 11 , Region_11_EUNIS_Classification , Vitoria-Trindade Seamount Chain

Category

geoscientificInformation

Regions

Global

Owner

tpearman

More info

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Restrictions

CC-BY-4.0: Creative Commons Attribution 4.0 International

Language

English

Data Quality

The data set was checked for completeness, correctness, and consistency of metainformation. Validity of used methods was checked and - if applicable - precision and range of data.

Supplemental Information

Version 2, 2023-05-08: This version replaces Version 1. doi:10.1594/PANGAEA.957094

Layer WMS GetCapabilities document