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Ireland's MSFD Marine Reporting Units (MRU)

Published by: Marine Institute
Category: Environment
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Ireland’s Marine Strategy Framework Directive (MSFD) assessment area is subdivided into ecologically meaningful spatial units known as Marine Reporting Units (MRUs). These units serve as the basis for evaluating indicators and conducting integrated assessments of marine environmental features, tailored to specific MSFD descriptors. A total of 24 MRUs have been delineated, encompassing Ireland’s full MSFD area, including the 12 nautical mile Territorial Sea limit, merged Water Framework Directive (WFD) coastal waterbodies, and national components of regionally defined assessment units under OSPAR. These include areas relevant to descriptors such as contaminants, sea-floor integrity, food webs, and offshore eutrophication, as well as designated shellfish waters. The MRU framework ensures spatial consistency and ecological relevance in national and regional marine environmental reporting.

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Theme Environment
Date released 2025-09-09
Date updated 2025-09-09
Dataset conforms to these standards See the referenced specification
Rights notes {"While every effort is made in preparing the dataset no responsibility is accepted by or on behalf of the Marine Institute for any errors, omissions or misleading information. The Marine Institute accepts no responsibility for loss or damage occasioned or claimed to have been occasioned, in part or in full, as a consequence of any person acting, or refraining from acting as a result of a matter contained in this datasets or as a consequence of using this dataset for any purpose whatsoever.","A Creative Commons (CC) license is one of several public copyright licenses that enable the free distribution of an otherwise copyrighted work. A CC license is used when an author wants to give people the right to share, use, and build upon a work that they have created. Under Creative Commons CC BY 4.0 the following is granted: Rights Share — copy and redistribute the material in any medium or format; Adapt — remix, transform, and build upon the material for any purpose, even commercially. The licensor cannot revoke these freedoms as long as you follow the license terms. Requirements Attribution — You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. No additional restrictions — You may not apply legal terms or technological measures that legally restrict others from doing anything the license permits.",CC%20BY%204.0}
Update frequency Other
Language English
Geographic coverage in GeoJSON format {"type":"Polygon","coordinates":[[[-25.000816176, 46.83333347],[-25.000816176, 57.366661531], [-5.27233311, 57.366661531], [-5.27233311, 46.83333347], [-25.000816176, 46.83333347]]]}
Spatial Reference Systems (SRS) WGS 84 (EPSG:3857)
Provenance information Data supplied by Marine Institute.
Period of time covered (begin) 2025-08-01
High Value Dataset (HVD) No