Habitat Map for Murlough Special Area of Conservation and Offshore, Northern Ireland
A biotope analysis of Dundrum bay was conducted in 2015 as part of efforts to understand the distribution and extent of benthic habitats and associated marine life within the Murlough special area of conservation incorporating new and historical groundtruthing information alongside modern acoustic data.
The map was originally presented in the Marine Habitat Classification for Britain & Ireland (http://jncc.defra.gov.uk/MarineHabitatClassification). This has been translated to the EUNIS habitat classification system for integration with other European datasets.
For more information, see: AFBI, 2015. Bathymetric and Habitat Map for Murlough Special Area of Conservation and offshore, Northern Ireland. Report to the Department of the Environment.
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Alternate title | GB003019 |
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Date | 2015-05-10 |
Date type | Publication: Date identifies when the resource was issued |
Date | 2015-05-10 |
Date type | Revision: Date identifies when the resource was examined or re-examined and improved or amended |
Date | 2015-05-10 |
Date type | Creation: Date identifies when the resource was brought into existence |
Unique resource identifier | GB003019 |
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Point of contact
Organisation name | DAERA Marine and Fisheries Division |
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Electronic mail address | Marine.InfoRequests@daera-ni.gov.uk |
Role | Owner: Party that owns the resource |
Point of contact
Organisation name | AFBI |
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Electronic mail address | info@afbini.gov.uk |
Role | Originator: Party who created the resource |
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Distance | 1 m |
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Language | English |
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Unique resource identifier | WGS 84 (EPSG:4326) |
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Codespace | EPSG |
Hierarchy level | Dataset: Information applies to the dataset |
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Statement | The correspondence between the mapped dominant biotope complexes and the ground-truthing biotope complex records, known as ÔÇÿaccuracy assessmentÔÇÖ, was completed through extraction of co-located records in ArcGIS, and percentage agreement between biotope complexes calculated in Excel. This analysis gave the following results: a) Agreement of 65% for internal accuracy (match between mapped polygons are video segment biotopes) b) Agreement of 22% for external accuracy of actual biotope complexes (regardless though of infralittoral or circalittoral splitting) with diver records (single points) c) Agreement of 65% for external accuracy if broad categories are considered (rock, mixed substratum, muddy sand) The assessment of confidence in the final habitat maps was undertaken following the MESH confidence assessment methodology, and the following scores in Table 3.3 were derived for Dundrum Bay. This included an assessment of the remote sensing (multibeam) data, the groundtruthing data, the ground-truthing interpretation and the map accuracy. Together, these were combined in the confidence tool macro to give an overall score of 90. |
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File identifier | 5dcbf9b4-59f7-496d-a7e3-db8104fd1614 | ||||||
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Metadata language | English | ||||||
Character set | MD_CharacterSetCode_utf8: MD_CharacterSetCode_utf8 | ||||||
Hierarchy level | Dataset: Information applies to the dataset | ||||||
Date stamp | 2020-01-15T12:25:44 | ||||||
Metadata standard name | ISO19115 | ||||||
Metadata standard version | 2003/Cor.1:2006 | ||||||
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