{
    "@context": "https://schema.org",
    "@type": "Dataset",
    "@id": "http://portal.medin.org.uk/portal/json-ld/NRW_DS102001.jsonld",
    "identifier": "NRW_DS102001",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=NRW_DS102001",
    "name": "Intertidal Monitoring of Ruppia maritima in Carmarthen Bay and Estuaries Spatial Area of Conservation (SAC) 2004",
    "description": "The Habitats Directive establishes that the management of Special Areas of Conservation (SACs) should aim to achieve the favourable conservation status of habitat and species features listed within its Annex I and Annex II. For SACs in Wales, the Countryside Council for Wales (CCW) is therefore required to report on a regular basis on whether features are in favourable conservation status. Ruppia maritima is a species of aquatic plant known by the common names beaked tasselweed, widgeongrass, ditch-grass and tassel pondweed. Ruppia maritima (beaked tassle weed) is found in suitable habitats all around the British coast and grows in soft sediments in sheltered shallow coastal waters from full salinity to nearly fresh water. The aim of this survey was to return to an area where Ruppia maritima had previously been identified during a Phase 1 survey carried out by Countryside Council for Wales (CCW) to determine whether or not the species is still present. Ruppia maritima has previously been identified by CCW in 1999 during a Phase 1 survey of the Afon Tywi. It was found at grid reference SN371122 in a pool on a track in the higher saltmarsh in the middle reaches of the river. This area was revisited and the results of the survey can be found in this dataset.",
    "includedInDataCatalog": {
        "@id": "http://portal.medin.org.uk/portal/json-ld/catalog.jsonld"
    },
    "conditionsOfAccess": [
        "access: There are no access restrictions to this data. CCW may release, publish or disseminate it freely.",
        "access: no limitations",
        "use: \u00a9 CCGC/CCW 2008.There are no use restrictions on this data. Recipients may re-use, reproduce, disseminate this data free of charge in any format or medium, provided they do so accurately, acknowledging both the source and CCW's copyright, and do not use it in a misleading context. It is the recipient's responsibility to ensure the data is fit for the intended purpose, that dissemination or publishing does not result in duplication, and that it is fairly interpreted. Advice on interpretation should be sought where required. To avoid re-using old data, users should periodically obtain the latest version from the original source."
    ],
    "temporalCoverage": "2004-09-15",
    "keywords": [
        {
            "@type": "DefinedTerm",
            "identifier": "http://inspire.ec.europa.eu/theme/sd",
            "name": "Species distribution"
        },
        {
            "@type": "DefinedTerm",
            "name": "river Tywi (afon Tywi)"
        },
        {
            "@type": "DefinedTerm",
            "name": "Special Area of Conservation Monitoring"
        },
        {
            "@type": "DefinedTerm",
            "name": "beaked tasselweed"
        },
        {
            "@type": "DefinedTerm",
            "name": "marine biology (subtidal biology) (littoral biology) (sublittoral biology)(intertidal biology)(see also seashore)"
        },
        {
            "@type": "DefinedTerm",
            "name": "Carmarthen Bay"
        },
        {
            "@type": "DefinedTerm",
            "name": "Special Areas of Conservation (SAC) (see also Candidate Special Areas of Conservation cSAC)"
        },
        {
            "@type": "DefinedTerm",
            "name": "sediment flats"
        },
        {
            "@type": "DefinedTerm",
            "name": "ruppia maritima"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/ZOOB/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "ZOOB",
            "name": "Zoobenthos taxonomy-related counts"
        }
    ],
    "spatialCoverage": {
        "@type": "Place",
        "geo": {
            "@type": "GeoShape",
            "box": "52.01649208 -4.56896775 52.29268432 -3.81664151"
        },
        "additionalProperty": [
            {
                "@type": "PropertyValue",
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                "value": "urn:ogc:def:crs:EPSG:4326"
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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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    "maintainer": [
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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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}