{
    "@context": "https://schema.org",
    "@type": "Dataset",
    "@id": "http://portal.medin.org.uk/portal/json-ld/NRW_DS109752.jsonld",
    "identifier": "NRW_DS109752",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=NRW_DS109752",
    "name": "Ground and Aerial Monitoring of Common Scoter (Melanitta nigra) in Carmarthen Bay Spatial Protection Area (SPA) (2002 - 2008)",
    "description": "Carmarthen Bay Spatial Protection Area (SPA) was classified as the UK's first SPA in 2003 on the basis of holding at least 1% (16,000 individuals) of the biogeographic population of Common Scoter (Melanitta nigra). The Common Scoter is strongly migratory and often travels considerable distances over land making brief stop-overs on inland waters. Its diet consists predominantly of molluscs, especially during the winter, although it occasionally takes other aquatic invertebrates such as crustaceans (e.g. barnacles and shrimps), worms, echinoderms, isopods, amphipods and insects (e.g. midges and caddis flies) as well as small fish and fish eggs which are found in abundance in the shallow water in Carmarthen Bay. Common scoter are also listed as a Biodiversity Action Plan (BAP) species. Countryside Council for Wales (CCW) has supported ground based counts since 1996, following the Sea Empress oil spill. Aerial surveys have also been employed as scoter often occur out of sight of land. This dataset is compiled from data collected by The British Trust for Ornithology with support from CCW from 2002 onwards. The purpose of this data capture was to maintain a monitoring program using a combination of ground-based and aerial surveys to assess numbers and distribution of common scoter in Carmarthen Bay and to investigate whether ground-based counts provide an appropriate index of overall numbers of scoter within Carmarthen Bay as well as update the current index.",
    "includedInDataCatalog": {
        "@id": "http://portal.medin.org.uk/portal/json-ld/catalog.jsonld"
    },
    "conditionsOfAccess": [
        "access: There are no access restrictions to this data. NRW may release, publish or disseminate it freely.",
        "access: no limitations",
        "use: \u00a9 CNC/NRW 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 NRW'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": "2002-11-29/2008-03-16",
    "keywords": [
        {
            "@type": "DefinedTerm",
            "identifier": "http://inspire.ec.europa.eu/theme/sd",
            "name": "Species distribution"
        },
        {
            "@type": "DefinedTerm",
            "name": "ground counts"
        },
        {
            "@type": "DefinedTerm",
            "name": "common scoter (black scoter)"
        },
        {
            "@type": "DefinedTerm",
            "name": "melanitta nigra"
        },
        {
            "@type": "DefinedTerm",
            "name": "aerial counts"
        },
        {
            "@type": "DefinedTerm",
            "name": "Carmarthen Bay"
        },
        {
            "@type": "DefinedTerm",
            "name": "Special Protection Areas (SPAs) (see also proposed Special Protection Area pSPA)"
        },
        {
            "@type": "DefinedTerm",
            "name": "bird population"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/BRDD/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "BRDD",
            "name": "Bird taxonomy-related abundance per unit area of surface"
        }
    ],
    "spatialCoverage": {
        "@type": "Place",
        "geo": {
            "@type": "GeoShape",
            "box": "51.53862558 -4.70472624 51.83585931 -4.05245982"
        },
        "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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    "maintainer": [
        {
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    "producer": [
        {
            "@type": "Organization",
            "name": "British Trust for Ornithology (BTO)",
            "description": "originator",
            "email": "info@bto.org",
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                "@type": "PostalAddress",
                "streetAddress": "The Nunnery, Thetford, Norfolk, IP24 2PU, England"
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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."
    }
}