Occurrence dataset Registered January 16, 2012

    Marine Non Native Species records from Natural Resources Wales (NRW) Monitoring Research and Ad-hoc Sightings

    Description

    This dataset comprises of marine surveys undertaken by the Natural Resources Wales (NRW) (and former Countryside Council for Wales) for Marine non-native species, currently held in Marine Recorder. The surveys represent on-going non-native monitoring, sightings and ad-hoc records of invasive and non-native species supplied to Natural Resources Wales (NRW) or noted outside of other research and monitoring work.

    Purpose

    The purpose of this data capture was to collate and monitor the spread of non-native species in Wales. These collations of datasets contains records specifically for Sargassum muticum around Wales, and ad hoc macro-algae invasive species around Welsh marinas and invasive crab species within the Dee Estuary.

    Geographic scope

    Description

    All Wales, although the majority of data is collected for habitats know to be colonised by non-native species, such as ports and harbours.

    Latitude
    From 51.468 to 53.351
    Longitude
    From -5.257 to -2.824

    Temporal scope

    range
    June 23, 1998 - October 12, 2016

    Methodology

    Quality control

    The majority of the data where recorded by experienced staff or are verified with known experts and staff through the use of photographs, video or specimens, however volunteer records are also included.

    Method steps
    1. Field observations and incidental records taken by field staff. Presence or absence surveys of marinas around Wales. Fyke netting within estuaries.

    Metrics

    Additional info

    Full metadata is available via the NRW metadata under record number (URI) 116352. NRW also hold metadata for each of the component surveys.

    Contacts

    • Natural Resources Wales

      Originator
      Metadata author
      Organization
      Natural Resources Wales
      Roles
      Originator
      Metadata author
    • NBN Atlas

      Distributor
      Organization
      NBN Atlas
      Address
      27 Old Gloucester St, Holborn
      Roles
      Distributor
      Email
    • NRW NBN Administrator

      Administrative point of contact
      Position
      editor
      Roles
      Administrative point of contact
      Email

    GBIF registration

    Registration date
    January 16, 2012
    Metadata last modified
    August 03, 2025
    Publication date
    January 15, 2025
    Hosted by
    National Biodiversity Network
    Installation
    NBN Atlas
    Endpoints
    Darwin Core Archive
    Preferred identifier
    10.15468/jc9uj9
    Alternative identifiers

    Citation

    Natural Resources Wales (2025). Marine Non Native Species records from Natural Resources Wales (NRW) Monitoring Research and Ad-hoc Sightings. Occurrence dataset https://doi.org/10.15468/jc9uj9 accessed via GBIF.org on 2025-08-05.