{
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    "@type": "Dataset",
    "@id": "http://portal.medin.org.uk/portal/json-ld/Marine_Scotland_FishDAC_12241.jsonld",
    "identifier": "Marine_Scotland_FishDAC_12241",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=Marine_Scotland_FishDAC_12241",
    "name": "HERAS - 0918S - Herring acoustic survey - 2018 - North sea and west of Scotland",
    "description": "Objectives:\r\nTo conduct an acoustic survey to estimate the abundance and distribution of herring in the north western North Sea and north of Scotland between 58\u00ba30\u2019-62\u00baN and from the shelf edge to 2\u00baE, excluding Faroese waters.\r\nTo obtain biological samples by trawling with pelagic and demersal trawl for echosounder trace identification.\r\nTo obtain samples of herring and sprat for biological analysis, including age, length, weight, sex, maturity and ichthyophonus infection throughout the survey area.\r\nCollect samples and data for stock identity determination for herring caught west of 4 \u00baW (photos and otoliths for morphometric stock ID analysis and tissue samples for genetic analysis).\r\nTo test feasibility of using GoPro cameras mounted in the net and on a dropframe to further aid in species identification in the echogram scrutiny process.\r\nTo obtain hydrographic data for comparison with the horizontal and vertical distribution of herring and sprat.",
    "includedInDataCatalog": {
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    },
    "conditionsOfAccess": [
        "otherRestrictions: no limitations to public access"
    ],
    "temporalCoverage": "2018-06-28/2018-07-20",
    "keywords": [
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            "@type": "DefinedTerm",
            "identifier": "http://vocab.ndg.nerc.ac.uk/term/N010/4/NDGO0001",
            "name": "Marine Environmental Data and Information Network"
        },
        {
            "@type": "DefinedTerm",
            "name": "Fish biomass in water bodies"
        }
    ],
    "spatialCoverage": {
        "@type": "Place",
        "geo": {
            "@type": "GeoShape",
            "box": "58.5 -7 62 2"
        },
        "additionalProperty": [
            {
                "@type": "PropertyValue",
                "propertyID": "http://www.opengis.net/def/crs/OGC/1.3/CRS84",
                "value": "urn:ogc:def:crs:EPSG:4326"
            }
        ]
    },
    "maintainer": [
        {
            "@type": "Organization",
            "name": "Scottish Government (Marine Scotland)",
            "description": "custodian",
            "email": "marinescotland@gov.scot",
            "telephone": "+44 (0)300 244 4000",
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "Mailpoint 11, Area 1B South, Victoria Quay",
                "postalCode": "EH6 6QQ",
                "addressLocality": "Edinburgh",
                "addressCountry": "United Kingdom"
            }
        }
    ],
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            "name": "Marine Scotland Science",
            "description": "originator",
            "email": "marinescotland@gov.scot",
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "375 Victoria Road",
                "postalCode": "AB11 9DB",
                "addressLocality": "Aberdeen",
                "addressCountry": "United Kingdom"
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                "postalCode": "AB11 9DB",
                "addressLocality": "Aberdeen",
                "addressCountry": "United Kingdom"
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        "@type": "Organization",
        "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."
    }
}