{
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    "@type": "Dataset",
    "@id": "http://portal.medin.org.uk/portal/json-ld/Marine_Scotland_FishDAC_1710.jsonld",
    "identifier": "Marine_Scotland_FishDAC_1710",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=Marine_Scotland_FishDAC_1710",
    "name": "HERAS - 0810S - Herring acoustic survey 2011 - North Sea - Scotia",
    "description": "Daily folders (18) of Simrad format (.raw) acoustic data. 18 Echoview format (EV) format analysis files. Excel biological data for 28 pelagic hauls. 31 deployments of OCEAN sampler for plankton and CTD sampling. 21 camera stations. 56 sediment grab samples. Continual Thermosalinograph data. Continual AGDS data.\r\nObjectives: To 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 4\u00baW to 2\u00baE, excluding Faroese waters.To obtain biological samples for echosounder trace identification using a pelagic trawl.\tTo obtain samples of herring for biological analysis, including age, length, weight, sex, maturity, fat content and ichthyophonus infection.To obtain hydrographic data for comparison with the horizontal and vertical distribution of herring.To obtain plankton samples to map the distribution and abundance of zooplankton.To obtain information on seabed habitats using grab sampling and drop frame TV.",
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    },
    "conditionsOfAccess": [
        "otherRestrictions: no limitations to public access"
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    "temporalCoverage": "2010-06-28/2010-07-18",
    "keywords": [
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        },
        {
            "@type": "DefinedTerm",
            "name": "Acoustic backscatter in the water column"
        },
        {
            "@type": "DefinedTerm",
            "name": "Fish abundance in water bodies"
        },
        {
            "@type": "DefinedTerm",
            "name": "Fish biomass in water bodies"
        },
        {
            "@type": "DefinedTerm",
            "name": "Fish morphology, age and physiology"
        },
        {
            "@type": "DefinedTerm",
            "name": "Habitat characterisation"
        },
        {
            "@type": "DefinedTerm",
            "name": "Seabed photography"
        },
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            "name": "Acoustics"
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        },
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            "name": "Water column temperature and salinity"
        },
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            "name": "Zooplankton"
        }
    ],
    "spatialCoverage": {
        "@type": "Place",
        "geo": {
            "@type": "GeoShape",
            "box": "58.5 -4 62 2"
        },
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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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        "url": "https://portal.medin.org.uk/portal/",
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        "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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