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Super Output Areas were designed to improve the reporting of small area statistics and are built up from groups of output areas (OA). Statistics for lower layer super output areas (LSOA) and middle layer super output areas (MSOA) were originally released in 2004 for England and Wales. A Lower Layer Super Output Area (LSOA) is a geographic area. Lower Layer Super Output Areas are a geographic hierarchy designed to improve the reporting of small area statistics in England and Wales.
DataMapWales
The statutory main river map is a 1:10,000 scale spatial (polyline) dataset that defines statutory watercourses designated by Natural Resources Wales as main rivers. The data is for Wales only. 'Main rivers' are usually larger streams and rivers, but some of them are small watercourses of significance. They include certain structures that control or regulate the flow of water in, into or out of the channel. Attribution statement Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Contains Ordnance Survey Data. Ordnance Survey Licence number AC0000849444. Crown Copyright and Database Right.
These datasets are derived from multiple datasets indicating the presence of protected features in Welsh waters. The data is presented on 1 km2 hexagonal grids. More details on the methodology are included in the following report: Murray, L.G., Bloomfield, H. and Skates, L. (2023). Mapping Environmental Considerations for Marine Spatial Planning in Wales: Methodology. Report to Welsh Government. Bangor, Natural Resources Wales. 48pp. Operational phase was considered for all sectors for all feature groups, and includes maintenance activities. The construction phase was only considered for sectors where potential construction impacts are substantially different from those during operation (tidal stream, wave, tidal range, floating offshore wind and cabling). However, for the Bird feature group, construction phase was only considered for tidal range and cabling. The scoring methodology included three main stages: The occurrence score reflects either the presence or absence, or standardized abundance (where abundance data was available) of features (i.e., species, habitats, or protected sites) and were scored from 1 to 3 on a continuous scale where 1 was the lowest density and 3 the highest for each feature. The conservation importance score is an estimate of the level of protection each feature has based on the legislation that confers a feature protection. It is important to note that all the features included in this work are conferred protection under various legislation and all are important considerations in the planning of developments. This step was scored from 1 to 5. An impact score to reflect potential impacts on features based on the likely pressures generated by each sector was applied for the operational pressures of each of the focus sectors and, separate to this, construction pressures for some sectors. Where there was considered to be a lack of evidence then a higher score was applied. The current approach did not assess specific technologies individually but considered the potential pressures that could originate from a sector and their potential to negatively affect each of the features. This step was scored from 1 to 3. A total score was calculated for each feature in each cell, and these were summed for each 1 km2 hexagonal grid cell, providing a relative ‘environmental considerations’ score for each feature group per sector. The approach taken to the scoring differed slightly between feature groups based on the available evidence. For information on the data schema follow this link. Attribution statement Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Contains JNCC, Natural England, SNH, UKHO, RSPB, BTO, MCS, Cefas, WG and Ordnance Survey Data. Ordnance Survey Licence number AC0000849444. Crown Copyright and Database Right.
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 process Attribution Statement Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Contains Ordnance Survey Data. Ordnance Survey Licence number AC0000849444. Crown Copyright and Database Right. Derived in part from data provided under licence by the British Geological Survey © NERC
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 Resources Wales and Database Right. All rights Reserved.
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 these layers were deemed to be sensitive to Marine Licencing Band 1 activities. The data includes records of protected or sensitive habitats, collected as part of baseline survey, monitoring programmes and ad-hoc records. A third layer is derived from the Special Protection Area (SPA) designated sites dataset and identifies SPA sensitive to Marine Licencing Band 1 Activities. Attribution statement Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Contains Ordnance Survey Data. Ordnance Survey Licence number AC0000849444. Crown Copyright and Database Right.
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 also form the baseline against which we measure changes in extent during Habitats Directive reporting. Attribution Statement Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Derived in part from 1:50,000 scale BGS Digital Data under Licence Number 2013/062. British Geological society. ©NERC. Contains Ordnance Survey Data. Ordnance Survey Licence number AC0000849444. Crown Copyright and Database Right.
Super Output Areas were designed to improve the reporting of small area statistics and are built up from groups of output areas (OA). Statistics for lower layer super output areas (LSOA) and middle layer super output areas (MSOA) were originally released in 2004 for England and Wales. A Middle Layer Super Output Area (MSOA) is a geographic area. MSOAs are a geographic hierarchy designed to improve the reporting of small area statistics in England and Wales. MSOAs are built from groups of contiguous LSOAs.
National Vegetation Classification (NVC) is the basis used for the selection of Sites of Special Scientific Interest (SSSI) and is used to define Annex 1 habitats for the selection of Special Areas of Conservation (SAC) under the Habitats Directive (EU Directive 92/43). This project comprises of detailed data related to the Phase 2 plant community survey for Lowland Heath across Wales. The project covers dry and maritime heath covered by the heathland section of the NVC and wet heath covered by the section of the NVC. Two non-NVC communities the calcareous grass and heath, and shingle heath are also described. This project had three main purposes: - To provide an overview of the Welsh lowland heathland resource allowing local conservation programs particularly local Biodiversity Action Plans (BAP) partnerships, to assess and interpret their resource in a Welsh context. - To identify heathland types which are underrepresented in the SSSIs series. - To identified gaps in knowledge and highlight areas for further study. A total of 13 surveys were carried out: Anglesey (1994), West Gwynedd (1993), Gwynedd and Anglesey (1994), Pembrokeshire (1995, 1996, 1997), Rivers Ystwyth and Rheidiol, Ceredigion (1995), Gower Commons (1997), Gower, Bridgend, Vale of Glamorgan, Conwy (1998), Powys (1999), Brecknock and Carmarthenshire (2000), Ceredigion (2001) and Gower (2001). The total area of heath surveyed is approximately 4714 ha which is 35% of the total area of lowland and coastal (maritime) heathland recorded in the phase 1 habitats survey of Wales (1979- 1997). The age of the data is a limitation as habitat composition may change over time, a record of a vegetation type in the data is therefore no guarantee that it is still extant on the ground Vegetation mapping and community definition followed the National Vegetation Classification (NVC). The dataset has been extensively validated and verified however problems were encountered when mapping in field which may have resulted in errors, digitisation was of poor quality and there were occasional problems with identifying community type. Attribution statementContains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Contains Ordnance Survey Data. Ordnance Survey Licence number AC0000849444. Crown Copyright and Database Right.
The Marine Renewable Energy Strategic Framework (MRESF) project has investigated the potential marine renewable energy tidal and wave resource of Welsh waters and considered potential scenarios for the sustainable development of that resource primarily as an aid to policy development and also an indicator of resource for potential developers. This dataset represents the areas with most potential for tidal stream energy development in Welsh waters, as identified by RPS in the Marine Renewable Energy Strategic Framework (MRESF). Device requirements applied include maximum distance from shore (5 km), minimum peak tidal current velocity (1.5 m/s) and depth (10-120 m).
The Marine Renewable Energy Strategic Framework (MRESF) project has investigated the potential marine renewable energy tidal and wave resource of Welsh waters and considered potential scenarios for the sustainable development of that resource primarily as an aid to policy development and also an indicator of resource for potential developers. This dataset represents the areas with most potential for tidal stream energy development in Welsh waters, as identified by RPS in the Marine Renewable Energy Strategic Framework (MRESF). Device requirements applied include maximum distance from shore (5 km), minimum peak tidal current velocity (2 m/s) and depth (10-120 m).
The Marine Renewable Energy Strategic Framework (MRESF) project has investigated the potential marine renewable energy tidal and wave resource of Welsh waters and considered potential scenarios for the sustainable development of that resource primarily as an aid to policy development and also an indicator of resource for potential developers. The Marine Renewable Energy Strategic Framework (MRESF) examined the potential constraints imposed on wave and tidal energy developments. Data included, among other constraints, shipping and related activities (anchoring, pilot boarding, harbours, etc); seascape sensitivity; national parks and heritage areas; wrecks; submarine cables; existing energy developments; fisheries and fish spawning areas; military practice areas; diving birds, cetaceans; seals; conservation designations; and dredging routes. Some constraint categories were divided into multiple layers, such as different shipping intensities, different fish values, or cetacean or seal vulnerability. A complete list of the constraints is presented in RPS (2011). The constraints on tidal or wave energy developments were ranked according to the likelihood that they would impede consent being given for a development. Each polygon feature part contains data on the constraints at each level within that area.
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 intended as an up-to-date and reliable benchmark dataset showing erosion extents and rates for three periods from a base date of 2005: Short Term (0 – 20yr i.e. 2005 to 2025); Medium Term (20 – 50yr i.e. 2025 to 2055); and Long Term (50 – 100yr i.e. 2055 to 2105). The data extents are based on 50%ile confidence levels, whilst the data attributes highlight the 5-95%ile confidence range, of erosion predictions for the following two scenarios (NB All distances are cumulative over time and given in metres): No Active Intervention Policy Scenario; and With the implementation of Shoreline Management Plan 2 Policies. Defence type and SMP policies for each of the three periods described above are included. The data and associated information is intended for guidance purposes - it cannot provide details for individual properties. The NCERM information considers the predominant risk at the coast, although flooding and erosion processes are often linked, and data on erosion of foreshore features are, in general, not included. The data describes the upper and lower estimates of erosion risk at a particular location, within which the actual location of the coastline is expected to lie. The data does not estimate the absolute location of the future coastline. Details of geologically complex areas, known as "complex cliffs" are, in general, not included within the dataset due to the inherent uncertainties associated with predicting the timing and extent of erosion at these locations. Attribution statement Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved.
National Flood Risk Maps The National Flood Hazard and Risk Maps are based on generalised modelling only. The maps have been published to comply with the Flood Risk Regulations (2009) and the EU Directive (2007/60/EC), and used to inform the creation of Flood Risk Management plans across Wales. These maps have no official status for Planning or Insurance purposes, therefore the public and professionals are advised to use the information contained within the Flood Risk Assessment Wales Map and Development Advice Map/ Flood Map for Planning (as appropriate) for these purposes as these will be more up-to-date and incorporate improved modelling information. The National Flood Risk Maps have been created for 3 sources of flooding, namely, Flooding from Rivers Flooding from the Sea Flooding from Surface Water & Small Watercourse The maps show Risk to a range of receptors, grouped in categories of People, Economic and Environment. Risk information is aggregated and displayed at a community scale. For Rivers and Surface Water & Small Watercourses, High risk is up to 1 in 30year; Medium risk is between 1 in 30 and 1 in 100year; and Low risk is between 1 in 100year and 1 in 1,000year Annual Exceedance Probability (AEP). For the Sea, High risk is up to 1 in 30 year; Medium risk is between 1 in 30 to 1 in 200 year; and Low risk 1 in 200 year to 1 in 1000 year. Acknowledgments Contains Natural Resources Wales information © Natural Resources Wales and database right. All rights reserved. Some features of this information are based on digital spatial data licensed from the UK Centre for Ecology & Hydrology © UKCEH, the Environment Agency © EA and Getmapping Plc and Bluesky International Limited [2015]. Defra, Met Office and DARD Rivers Agency © Crown copyright. © Cranfield University. © James Hutton Institute. Contains OS data © Crown copyright and database right. Land & Property Services © Crown copyright and database right.
Wales extract of the National Forest Inventory (NFI) 2020. The NFI provides information about forests and woodlands. Further information can be found here Attribution Use of this data is subject to the Open Government Licence Any maps produced using this data should contain the following Forestry Commission acknowledgement: "Contains, or is based on, information supplied by the Forestry Commission. © Crown copyright and database right 2022 Ordnance Survey [100021242]".
This data contains Forestry Commission's previous survey, the National Inventory of Woodland & Trees, and includes spatial data for the whole of Great Britain. This dataset shows all areas of woodland over 2ha in Great Britain and the Interpreted forest type (IFT) of those woodlands. The dataset includes FC new planting and new Woodland Grant Schemes as of 31st March 2002. Attribution Statement Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Contains Ordnance Survey Data. Ordnance Survey Licence number AC0000849444. Crown Copyright and Database Right.
This dataset comprises of boundaries for the 48 regional landscape character areas for Wales. The purpose of this data capture was to geographically distinguish different regions in Wales in terms of landscape identity and what characteristics and qualities make one region different and distinct from another. These distinctions and policy drivers for this project are described, together with an illustrated narrative, and published on Natural Resources Wales (NRW's) website. This dataset covers 100% of terrestrial Wales including inter-tidal areas. Boundary data derived from source data 2007-2008 with the final version being amended October 2008. Attribution statement Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Contains Ordnance Survey Data. Ordnance Survey Licence number AC0000849444. Crown Copyright and Database Right.
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 a broad-scale. We divided our inshore waters into 29 Marine Character Areas. This work provides the strategic spatial evidence on seascapes to inform the Wales National Marine Plan, which is being prepared by Welsh Government. Each area profile includes a description of the key characteristics, including their natural, cultural and perceptual influences, as well as land – sea inter-visibility maps. LUC, 2015. National Seascape Assessment for Wales. NRW Evidence Report 80. 78pp, Natural Resources Wales, Bangor (Wales) Attribution Statement Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Contains Ordnance Survey Data. Ordnance Survey Licence number AC0000849444. Crown Copyright and Database Right.