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  • Ramsar Sites - Wetlands of International Importance

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    The Convention on Wetlands, called the Ramsar Convention, is an intergovernmental treaty that provides the framework for national action and international cooperation for the conservation and wise...
  • Sites of Special Scientific Interest (SSSIs)

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    This spatial dataset contains the digital boundaries of Sites of Special Scientific Interest (SSSIs) in Wales. SSSIs cover a wide range of habitats from small fens, bogs and riverside meadows to...
  • Special Areas of Conservation (SACs)

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    This spatial dataset contains digital boundaries of Special Areas of Conservation (SACs) in Wales. The EC Habitats and Species Directive came into effect in 1992 with the aim of maintaining a rich...
  • Local Nature Reserves (LNRs)

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    This spatial dataset contains the digital boundaries of Local Nature Reserves (LNRs) in Wales. Local Nature Reserves are established and managed by local authorities, following consultation with...
  • Special Protection Areas (SPA)

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    This spatial dataset contains the digital boundaries of all Spatial Protection Areas (SPAs) in Wales. The EC Birds Directive of 1979 requires member states to establish SPAs to conserve the...
  • Geological Conservation Review (GCR) Site Boundaries

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    The dataset contains the original site boundaries for all Geological Conservation Review (GCR) Sites in Wales. The boundaries define the area of a particular GCR Site (usually coincident with the...
  • National Nature Reserves (NNRs)

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    This spatial dataset contains the digital boundaries of National Nature Reserves (NNRs) in Wales. NNRs represent the very best examples of our wildlife habitats and geological features and can...
  • National Nature Reserves (NNRs) Declarations

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    This is a spatial dataset which shows National Nature Reserves (NNRs) with their different declarations. NNRs represent the very best examples of our wildlife habitats and geological features and...
  • National Parks

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    This spatial dataset contains the digital boundaries of National Parks, which are statutory landscape designations in Wales. Natural Resources Wales (NRW) has a legal duty to maintain and make...
  • Eighteen years of capture-mark-recapture (CMR) data of grey seal pups, Halichoerus grypus, from Pembrokeshire, Wales

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    Eighteen years (1954-1972) of capture-mark-recapture data of 245 grey seal pups marked with identification tags in Wales. The data was obtained from paper files held by NRW and supplied originally...
  • River Wye catchment (Wales) species rich grassland creation opportunity maps

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    A detailed GIS analysis of land use, Phase 1 habitats, National Vegetation Classification (NVC) community data, soils and designated sites for the River Wye catchment within the NRW mid-Wales...
  • KiEco Freshwater Ecology: Lake Macro-invertebrates Taxa Data

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    Freshwater marco-invertebrates are used as an indicator of water quality requirements due to the relative immobility and abundance. This dataset is made up of the species abundance values from the...
  • KiEco Freshwater Ecology: River Macroinvertebrates

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    Freshwater macroinvertebrates are used as an indicator of water quality and river flow requirements due to the relative immobility and abundance. This dataset is made up of the species abundance...
  • NRW Environment Team Boundaries

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    This is a spatial dataset containing the extent polygons for the Natural Resources Wales Environment Teams boundaries. The purpose of this data capture is to define boundaries for operational...
  • KiEco Freshwater Ecology: Diatoms

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    Freshwater diatoms (phytobenthos) are free-living microscopic plants that form a biofilm on submerged substrates such as rock/stone or large plants. They are used as an indicator of water quality...
  • Water Quality Exemptions

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    The Environmental Permitting Regulations contains exemptions from needing an environmental permit for certain water discharges and groundwater activities. Exemptions cover the discharge of treated...
  • Metal Mines

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    Metal Mines records locations of disused metal mines in Wales with each being represented by centre point of the site. The dataset is collected to display the locations of metal mines which can be...
  • Marine Phase 1 Intertidal Habitat Survey

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    This is a dataset compiled of spatially-referenced survey data obtained from different intertidal communities (biotopes) in Wales. Maps include information on biotope location, species...
  • Areas of Outstanding Natural Beauty (AONBs)

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    This spatial dataset contains the digital boundaries of Areas of Outstanding Natural Beauty (AONBs) statutory landscape designation in Wales. Natural Resources Wales (NRW) has a legal duty to...
  • Country Parks

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    There are over 250 recognised Country Parks in England and Wales. Most Country Parks were designated in the 1970s, under the Countryside Act 1968 with the support of the former Countryside...