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Natural Resources Wales monitors bathing water sites identified under EC Bathing Waters Directive 2006/7/EC in Wales. Samples are taken throughout the bathing season from May to the end of September and analysed for two parameters: Escherichia coli and intestinal enterococci. A classification of bathing water quality, generally based on 4 years of sample results, is produced for each bathing

Cefas is an executive agency of Defra. Cefas - the Centre for Environment, Fisheries and Aquaculture Science - makes an important contribution to securing healthy and sustainable marine and freshwater environments so that current and future generations can prosper. Site includes, information, data, publications, news and details of Cefas services.

This GIS dataset and supporting information providing design / extreme sea level and typical surge information around the coastline of Wales under present day conditions. This is a specialist dataset which informs on work commenced around the coast ranging from coastal flood modelling, scheme design, strategic planning and flood risk assessments. The dataset contains the following layer

Under the Environment (Wales) Act (2016), Section 7 requires biodiversity lists to be produced. These lists include types of habitats which are of "Principle Importance" for the purpose of maintain and enhancing biodiversity in relation to Wales. This list supersedes the duty in Section 42 of the NERC Act 2006. In addition to this marine habitats can be protected under the OSPAR Convention, which

Under the Environment (Wales) Act (2016), Section 7 requires biodiversity lists to be produced. These lists include types of species which are of "Principle Importance" for the purpose of maintain and enhancing biodiversity in relation to Wales. This list supersedes the duty in Section 42 of the NERC Act 2006. In addition to this marine species can be protected under the OSPAR Convention, which

The HABMAP project was set up in response to the need for better spatial awareness of habitat distributions in the Southern Irish Sea. This work produced habitat maps of the seabed using novel predictive modelling techniques. The HABMAP Extension Project has built on the methods developed during the original project, and has repeated the modelling work using higher resolution / improved input

This is a dataset compiled of spatially-referenced survey data obtained from different intertidal communities (biotopes) in Wales. Maps include information on biotope location, target note location, access and photographs points locations. Sites are mapped once and therefore are a 'snapshot' in time. Survey methodology is based on 'Handbook for Marine Intertidal Phase 1 Biotope Mapping Survey'.

The Habitats Directive Article 17 reporting maps are a snapshot of the most up to date spatial data for features listed on the various Annexes of the Directive at the time of reporting. They represent the current known extent / location and status of features both inside and outside of SACs. Article 17 maps are reviewed and updated every 6 years as part of the Habitats Directive reporting

In 2015 the Marine Nature Reserve changed designation to Marine Conservation Zone (MCZ). This spatial dataset contains the digital boundaries of Marine Conservation Zones (MCZs) former Marine Nature Reserves in Wales. MCZs and MNRs are a way of conserving marine habitats and wildlife and other features, of special importance, along the shore or on the seabed. Skomer, the first and only MNR in

Oceannet is the domain name used for the Marine Environmental Data and Information Network (MEDIN). The homepage provides information on MEDIN as a partnership of organisations who are ‘working together to improve access to and stewardship of marine data’. The user of the website can find links on how to discover marine data, how to submit and create marine metadata, how to get data

The records contain coordinate data associated with historic and expired marine licence applications in Wales. The data allows the location of applications to be mapped to assess any in combination effects with other proposals.

Attribution statement

Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved.

These records contain coordinate data associated with current marine licence applications in Wales. The location of disposal sites is also available. This data allows the locations of licence applications to be mapped to assess their impacts on designated sites and in combination effects with other proposals.

Attribution statement

Contains Natural Resources Wales information © Natural

NRW agreed, identified and documented which habitats and SAC features are sensitive to a range of Marine Licencing Band 1 activities. The dataset consists of 2 layers detailing information about sensitive habitats. These datasets constitute polygons derived from NRW held BAP (Section 7) / OSPAR layers, Regulation 35 SAC habitat layers and Phase 1 intertidal survey. All the habitats included in

HM Marine Management Organisation home page.

The Regulation 37 (formally 35 and 33) Special Areas of Conservation (SAC) feature maps provide the indicative baseline extent and status (i.e. “Definite” or “Potential” feature status and / or confidence) of SAC features at the time of site designation. These are the maps that should be used to assess potential impacts of plans and projects and for casework advice. They

This dataset is a more detailed version of the Coastal Erosion data also available on Lle. The National Coastal Erosion Risk Management (NCERM) map shows the spatial NCERM coastal baseline. This baseline is split to ‘frontages’. These are defined as lengths of coast with consistent characteristics based on the cliff behaviour characteristics and the defence characteristics. It is

Seascapes, like landscapes, reflect the relationship between people and place and the part it plays in forming the setting to our everyday lives. Marine Character Areas highlight the key natural, cultural and perceptual influences that make the character of each seascape distinct and unique. NRW were commissioned on behalf of Welsh Government to identify the character of Wales’ seascapes at

The purpose of this spatial dataset it to give some representation of marine heritage assets that have been recorded within the National Monuments Record Wales. This dataset was produced by the Royal Commission for the Ancient and Historical Monuments of Wales and has been made available to the public as part of our commitment to improving access and stewardship of marine data as one of the

Natural Resources Wales Species data held on the National Biodiversity Network (NBN) Gateway. This includes marine, terrestrial and freshwater species records for a variety of taxonomic groups. Data was collected to support core NRW functions including statutory and non-statutory reporting, condition monitoring and decision making.

The NBN key portal is the main route for the publishing NRW

The Convention for the Protection of the Marine Environment of the North-East Atlantic known as the OSPAR Convention 1998 (Oslo Convention 1972 & Paris Convention 1974), is an agreement signed by a number of European countries (including the United Kingdom) to protect the quality of the North East Atlantic. The objective of the OSPAR Convention is to take all possible steps to prevent and

GIS layers showing the abundance and distribution of seabirds in welsh waters. The datasets consist of the raw data showing observations of all seabirds and derived grids showing the density of flying and sitting species on a 3km grid scale and the survey coverage. The purpose of this data capture was to collate data from ESAS and WWT Consulting databases to produce combined database of birds

The datasets shows the spatial coastal baseline which is split into ‘frontages’. These are defined as lengths of coast with consistent characteristics based on the cliff behaviour characteristics and the defence characteristics. It is intended as a benchmark dataset showing erosion extents and rates for three periods:

• Short Term (0 – 20yr);
• Medium Term (20 – 50yr); and

Special Areas of Conservation (SACs) and Special Protection Areas (SPAs) are protected and designated sites under the EC Habitats and Birds Directives. The Directives list habitat types and species that are considered to be most in need of conservation at a European level. An obligation for this is a programme of species and habitat monitoring across the site. This dataset shows the results of

Wales (High water mark).  This data has been drived from Ordnance Survey Boundary-Line data.

Note: These spatial datasets are being compiled whilst drawing up the first Welsh National Marine Plan which is due to be finalised in 2019. Datasets may be periodically updated after that date.

iNotes attached to the data describe each dataset and are in the process of being updated. For any further information on the data please contact marineplanning@gov.wales.

The Welsh Government are