{
    "@context": "https://schema.org",
    "@type": "Dataset",
    "@id": "http://portal.medin.org.uk/portal/json-ld/NRW_DS109882.jsonld",
    "identifier": "NRW_DS109882",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=NRW_DS109882",
    "name": "Saltmarsh Features of the Severn Estuary 1998",
    "description": "Use of the National Vegetation Classification (NVC) as a basis for community definition in the saltmarsh habitats of the Severn Estuary. The purpose of this data capture was to provide a detailed NVC description of Severn Estuary saltmarsh and an account of distribution and NVC associations of several nationally scarce and one locally scarce species. The survey also provided a preliminary conservation assessment for the Severn Estuary potential Special Area of Conservation (pSAC) and line transects as baseline data for future remote sensing studies.",
    "includedInDataCatalog": {
        "@id": "http://portal.medin.org.uk/portal/json-ld/catalog.jsonld"
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    "conditionsOfAccess": [
        "access: The following data is considered OS derived data and is therefore jointly owned by NRW and the Ordnance Survey. NRW may release, publish or disseminate this data freely; providing recipients are made aware of use restrictions (See general use restrictions).",
        "access: no limitations",
        "use: \u00a9 CNC/NRW and \u00a9 Crown copyright 1999. All rights reserved. Natural Resources Wales, AC0000849444 Third parties seeking to re-use this data require a Licence issued by NRW. It allows re-use, reproduction and dissemination in any format or medium but only for non-commercial purposes, according to the terms and conditions of the Licence. Those seeking commercial re-use require a commercial licence available from the OS.",
        "use: Contains Natural Resources Wales information \u00a9 Natural Resources Wales and Database Right. All rights Reserved.",
        "use: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/"
    ],
    "temporalCoverage": "1998-08-01/1998-10-31",
    "keywords": [
        {
            "@type": "DefinedTerm",
            "identifier": "http://inspire.ec.europa.eu/theme/hb",
            "name": "Habitats and biotopes"
        },
        {
            "@type": "DefinedTerm",
            "name": "geographical information systems (GIS)"
        },
        {
            "@type": "DefinedTerm",
            "name": "vegetation (see also specific types eg.coastal or heathland vegetation and vegetation surveys)"
        },
        {
            "@type": "DefinedTerm",
            "name": "vegetation surveys (vegetation monitoring)(see also biologicalsurveys)"
        },
        {
            "@type": "DefinedTerm",
            "name": "National Vegetation Classification (NVC)"
        },
        {
            "@type": "DefinedTerm",
            "name": "vegetation classification"
        },
        {
            "@type": "DefinedTerm",
            "name": "Severn Estuary (Mor Hafren)"
        },
        {
            "@type": "DefinedTerm",
            "name": "saltmarsh (salt-marsh) (salt marsh)"
        },
        {
            "@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": "51.14589639 -3.56187494 51.84575987 -2.37723644"
        },
        "additionalProperty": [
            {
                "@type": "PropertyValue",
                "propertyID": "http://www.opengis.net/def/crs/EPSG/0/27700",
                "value": "National Grid of Great Britain - urn:ogc:def:crs:EPSG::27700"
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    "author": [
        {
            "@type": "Organization",
            "name": "Natural Resources Wales (NRW)",
            "description": "owner",
            "email": "enquiries@naturalresourceswales.gov.uk",
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales"
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    "producer": [
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            "name": "Dargie",
            "description": "originator",
            "email": "tomd@boreas.demon.co.uk",
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "Environmental Consultant, Loch Fleet View, Skelbo Street, Dornoch, IV25 3QQ, Scotland"
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        "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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}