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UK Marine Conservation Zones (MCZs) – WMS layer 2019


This resource relates to a Web Map Service (WMS) layer showing Marine Conservation Zone (MCZ) boundaries in UK waters. It was last updated in May 2019. JNCC have compiled this dataset using data from JNCC, Natural England, Northern Ireland Environment Agency, Natural Resources Wales and the United Kingdom Hydrographic Office.

Marine Conservation Zones are designated under the Marine and Coastal Access Act (2009) or Marine Act (Northern Ireland) 2013. They protect nationally important marine wildlife, habitats, geology and geomorphology.

The layer is available to view on the JNCC MPA mapper and can also be accessed via our WMS:

The MCZ boundaries are available to download from the following places:

Highly Protected Marine Areas are a separate layer on the JNCC MPA mapper and have a separate metadata record, available at:

Resource type Service

Topic category Boundaries

Reference date 2019·05·31

Update history (latest version only): 31/05/2019: Addition of 41 new MCZ sites in Secretary of States waters (MCZ Tranche Three). New zones for highly mobile species features within and beyond two existing MCZs: Cumbria Coast (UKMCZ0005-02) and Medway Estuary (UKMCZ0011-02).

Responsible organisation
Digital and Data Solutions, JNCC pointOfContact

Limitations on public access No limitations

Use constraints Re-use of the data is subject to the terms of the Open Government Licence v3.0 including attribution of the relevant copyright holders. The site boundaries include sections of UK Exclusive Economic Zone © Crown copyright. The exact limits of the EEZ are set out in The Exclusive Economic Zone Order 2013. If you re-use this information you must acknowledge the source in your product or application by including or linking to the following attribution statement: Contains Joint Nature Conservation Committee data © copyright and database right [2019]. Contains Natural England data © copyright and database right [2019]. Contains Natural Resource Wales data © copyright and database right [2019]. Contains Northern Ireland Environment Agency data © copyright and database right [2019]. Contains UK Hydrographic Office data © copyright and database right [2019].

Metadata date 2023·12·13

Metadata point of contact
Digital and Data Solutions, JNCC

Temporal extent 2017·07·20 2019·05·31

Spatial extent
North 56.610819
South 48.166667
East 2.89477
West -9.800056
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