{
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    "@type": "Dataset",
    "@id": "http://portal.medin.org.uk/portal/json-ld/Marine_Scotland_FishDAC_1742.jsonld",
    "identifier": "Marine_Scotland_FishDAC_1742",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=Marine_Scotland_FishDAC_1742",
    "name": "1002S-HERAS North sea herring acoustic survey- Scotia cruise 1002",
    "description": "Daily folders (20) of Simrad (.ek5 format) data. 20 Echoview format (EV) format analysis files. Excel biological data for 50 pelagic hauls. CTD data for 18 vertical dips. Temperature data from 45 minilogger profiles. 18 SVP profiles. Continual Thermosalinograph data. Continual AGDS data.\r\nObjectives\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 58-61\u202245\u2019N and 4\u2022W to 2\u2022E, excluding Norwegian and Faroese waters. \r\nTo Obtain echosounder trace identification using pelagic trawl. \r\nTo obtain samples of herring for biological analysis, including age, length, weight, sex, maturity and ichthyophonus infection \r\nTo obtain samples of herring for genetic analysis.\r\nTo obtain photographic records for fish maturity analysis. \r\nTo obtain hydrographic data for comparison with the horizontal and vertical distribution of herring. \r\nTo obtain plankton samples for acoustic identification work.",
    "includedInDataCatalog": {
        "@id": "http://portal.medin.org.uk/portal/json-ld/catalog.jsonld"
    },
    "conditionsOfAccess": [
        "otherRestrictions: no limitations to public access"
    ],
    "temporalCoverage": "2002-06-27/2002-07-17",
    "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": "Acoustics"
        },
        {
            "@type": "DefinedTerm",
            "name": "Biota composition"
        },
        {
            "@type": "DefinedTerm",
            "name": "Fish"
        },
        {
            "@type": "DefinedTerm",
            "name": "Water column temperature and salinity"
        },
        {
            "@type": "DefinedTerm",
            "name": "Zooplankton"
        },
        {
            "@type": "DefinedTerm",
            "name": "Acoustic backscatter in the water column"
        },
        {
            "@type": "DefinedTerm",
            "name": "Fish abundance in water bodies"
        },
        {
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        },
        {
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            "name": "Fish morphology, age and physiology"
        }
    ],
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        "@type": "Place",
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            "@type": "GeoShape",
            "box": "58 -4 62 2"
        },
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                "value": "urn:ogc:def:crs:EPSG:4326"
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        ]
    },
    "maintainer": [
        {
            "@type": "Organization",
            "name": "Scottish Government (Marine Scotland)",
            "description": "custodian",
            "email": "marinescotland@gov.scot",
            "telephone": "+44 (0)300 244 4000",
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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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}