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Marine Habitat Classification for Britain and Ireland 2015

Marine Seabed Habitats and Geology Habitat classification Marine Habitats MNCR


This site presents the national classification of sea floor marine habitats for Britain and Ireland. The expandable classification hierarchy below lists all types, from broad habitat level to sub-biotope level, in hierarchical order. The different levels in the hierarchy are colour-coded and are hyperlinked to the descriptions for each individual type.

Resource type Service

Topic category Oceans

Reference date 2015·03·01

Information about the development of the classification can be found at The shallow section of the classification (published in 2004) can be downloaded in different formats from Files include: - full hierarchical list of habitats (spreadsheet) - littoral sediment biotope descriptions (Word doc) - sublittoral sediment biotope descriptions (Word doc) - littoral rock biotope descriptions (Word doc) - infralittoral rock biotope descriptions (Word doc) - circalittoral rock biotope descriptions (Word doc) The deep-sea section added in 2015 is also described in the Appendix 2 and 3 of JNCC Report 530

Responsible organisation
Digital and Data Solutions, JNCC distributor

Limitations on public access None

Use constraints None

Metadata date 2019·07·01

Metadata point of contact
Digital and Data Solutions, JNCC

Temporal extent 1990·01·01 2015·03·01

Spatial extent
North 62
South 49
East 3
West -10
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