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Marine Habitat Classification for Britain and Ireland 2015


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

JNCC (2015) The Marine Habitat Classification for Britain and Ireland Version 15.03. [Date accessed]. Available from:

The first official release of the classification (version 97.06) was developed by JNCC's Marine Nature Conservation Review as part of the EC Life Nature-funded BioMar project (Connor et al. 1997 a, b). Version 04.05 was released following an update in 2004 (Connor et al., 2004). The current version (15.03) was released in 2015 following the addition of a deep-sea section (Parry et al., 2015). Connor et al .1997 a, b: Connor et al. 2004: Parry et al. 2015:

Responsible organisation
Digital and Data Solutions, JNCC distributor

Limitations on public access None

Use constraints None

Metadata date 2020·01·31

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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