{
    "@context": "https://schema.org",
    "@type": "Dataset",
    "@id": "http://portal.medin.org.uk/portal/json-ld/NRW_DS110319.jsonld",
    "identifier": "NRW_DS110319",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=NRW_DS110319",
    "name": "West Wales Grey Seal Census 1991 to 1994",
    "description": "The large breeding colonies of grey seals in northern Britain have been censused annually in recent years by the Sea Mammal Research Unit, but the relatively small population in Wales had not been the subject of a population estimate since 1974 and there had never been a comprehensive census of all mainland and island sites sustained through a pupping season. The purpose of this data capture was to locate and document all grey seal breeding sites during the main pupping season from September to December 1991 and to estimate pup production at these sites. To estimate the total number of cows in the West Wales population, identify 'areas' where seals are subject to disturbance by man and assess the quality of the breeding haul-out environment.",
    "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 Data may be re-used under the terms of the Open Government Licence providing it is done so, acknowledging both the source and NRW's copyright. It is the recipient's responsibility to ensure the data is fit for the intended purpose."
    ],
    "temporalCoverage": "1991-01-01/1994-12-31",
    "keywords": [
        {
            "@type": "DefinedTerm",
            "identifier": "http://inspire.ec.europa.eu/theme/sd",
            "name": "Species distribution"
        },
        {
            "@type": "DefinedTerm",
            "name": "marine and freshwater inventory"
        },
        {
            "@type": "DefinedTerm",
            "name": "halichoerus grypus"
        },
        {
            "@type": "DefinedTerm",
            "name": "grey seals"
        },
        {
            "@type": "DefinedTerm",
            "name": "West Wales"
        },
        {
            "@type": "DefinedTerm",
            "name": "census"
        },
        {
            "@type": "DefinedTerm",
            "name": "seal breeding census"
        },
        {
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            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "FOCA",
            "name": "Seal abundance"
        },
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            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "GP025",
            "name": "Seal reproduction"
        },
        {
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            "name": "Animals, Plants and Other Organisms (SMNR)"
        },
        {
            "@type": "DefinedTerm",
            "name": "Sea and Coast (SMNR)"
        },
        {
            "@type": "DefinedTerm",
            "name": "Ecosystem (SMNR)"
        },
        {
            "@type": "DefinedTerm",
            "name": "Coastal Margins (SMNR)"
        },
        {
            "@type": "DefinedTerm",
            "name": "Management Areas (SMNR)"
        },
        {
            "@type": "DefinedTerm",
            "name": "Sustainable Management of Natural Resources (SMNR)"
        },
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            "name": "Marine (SMNR)"
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            "name": "Natural Resources (Incl. Features and Processes) (SMNR)"
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    "spatialCoverage": {
        "@type": "Place",
        "geo": {
            "@type": "GeoShape",
            "box": "51.40728421 -5.71776971 52.5015075 -4.04813711"
        },
        "additionalProperty": [
            {
                "@type": "PropertyValue",
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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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            "name": "Natural Resources Wales (NRW)",
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    "producer": [
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            "name": "Dyfed Wildlife Trust",
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            "email": "info@welshwildlife.org",
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "c/o The Wildlife Trust of South and West Wales, Nature Centre, Parc Slip, Fountain Road, Mid Glamorgan, CF32 0E, Wales"
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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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}