{
    "@context": "https://schema.org",
    "@type": "Dataset",
    "@id": "http://portal.medin.org.uk/portal/json-ld/NRW_DS125390.jsonld",
    "identifier": "NRW_DS125390",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=NRW_DS125390",
    "name": "Holyhead Harbour Carpet Sea Squirt Survey Data November 2020",
    "description": "This is the raw data from a dive survey of Holyhead harbour in November 2020, which focussed on mapping the distribution of the invasive non-native species Carpet seasquirt, Didemnum vexillum. It contains; \r\n\u2022\tVideo (MP4) and image files (JPG and ARW) of underwater habitats and species taken during the surveys \r\n\u2022\tDrone aerial images and videos of the current layout of the pontoons and mooring buoys (JPG and DNG and MP4). \r\n\u2022\tAn Excel spreadsheet of sites surveyed \r\n\u2022\tData recording forms \u2013 PDF copies of dive log sheets and recording forms \r\n\r\nThis data accompanies; Holt, R.H.F. 2018. Didemnum vexillum: survey of distribution and extent in Holyhead Harbour \u2013 November 2020. NRW Evidence report no. 538. 29 pp.",
    "includedInDataCatalog": {
        "@id": "http://portal.medin.org.uk/portal/json-ld/catalog.jsonld"
    },
    "conditionsOfAccess": [
        "access: Access restrictions on this data have not been determined. It may contain sensitive information and therefore may be restricted under legislation. NRW may provide access to this dataset on request, however NRW may not release, publish or disseminate the data or derived products freely without further assessment.",
        "access: no limitations",
        "use: \u00a9 CNC/NRW. Data may only be re-used externally under provision and in line with the terms of a NRW licence following an assessment of the data."
    ],
    "temporalCoverage": "2020-11-03/2020-11-05",
    "keywords": [
        {
            "@type": "DefinedTerm",
            "identifier": "http://inspire.ec.europa.eu/theme/sd",
            "name": "Species distribution"
        },
        {
            "@type": "DefinedTerm",
            "name": "Didemnum vexillum"
        },
        {
            "@type": "DefinedTerm",
            "name": "Holyhead"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/SBPH/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "SBPH",
            "name": "Seabed photography"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/HBCH/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "HBCH",
            "name": "Habitat characterisation"
        }
    ],
    "spatialCoverage": {
        "@type": "Place",
        "geo": {
            "@type": "GeoShape",
            "box": "53.29446 -4.65469 53.3498 -4.5645"
        },
        "name": {
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            "identifier": "http://vocab.nerc.ac.uk/collection/C19/current/1_4/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/C19/current/",
            "termCode": "1_4",
            "name": "Irish Sea"
        }
    },
    "author": [
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            "@type": "Organization",
            "name": "Natural Resources Wales (NRW)",
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            "email": "enquiries@naturalresourceswales.gov.uk",
            "address": {
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                "streetAddress": "Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales"
            }
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    ],
    "producer": [
        {
            "@type": "Organization",
            "name": "Cloud Base Productions Ltd.",
            "description": "originator",
            "email": "rohan@cloudbasepro.co.uk",
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                "@type": "PostalAddress",
                "streetAddress": "Cloud Base Productions Ltd., Tan Hwfa, Llanllechid, Bangor, LL57 3LA"
            }
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        "url": "https://portal.medin.org.uk/portal/",
        "name": "Marine Environmental Data and Information Network (MEDIN)",
        "description": "The MEDIN portal contains information about 19493 marine datasets from over 600 UK organisations. Metadata are an enduring resource and contact details are publicly available for a long time. \r\n\t\tPlease contact us (enquiries@medin.org.uk) if you find your contact details on the MEDIN portal and do not consent to this. \r\n\t\tYou can now use our GitHub repository to report issues or access related documents. Metadata records are updated daily and were last updated 2026-04-19. Record deletion takes place weekly and the latest occurred 2026-04-12."
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}