{
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    "@type": "Dataset",
    "@id": "http://portal.medin.org.uk/portal/json-ld/CEFASe0b52064-ea3b-42f7-bda7-2be023ef4244.jsonld",
    "identifier": "CEFASe0b52064-ea3b-42f7-bda7-2be023ef4244",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=CEFASe0b52064-ea3b-42f7-bda7-2be023ef4244",
    "name": "North Sea Historical Effort by Rectangle by Year: 1913 -1980",
    "description": "This dataset includes long-term, spatially detailed information on UK trawl \r\nand seine fishing effort in the North Sea, by year and ICES rectangle. The \r\nperiod covered is 1923\u20131980 excluding the years during and immediately after \r\nboth World Wars. Effort data (number of hours fishing) are shown separately \r\nfor each of the major historical demersal trawling and seining fleets of the \r\nUK: sailing trawlers (pre-WWII only), steam trawlers (until the 1970s), motor \r\ntrawlers, steam seiners (pre-WWII only), and motor seiners.",
    "includedInDataCatalog": {
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    },
    "conditionsOfAccess": [
        "access: noLimitations",
        "use: http://standards.iso.org/iso/19139/resources/gmxCodelists.xml#MD_RestrictionCode"
    ],
    "distribution": [
        {
            "@type": "DataDownload",
            "name": "Cefas Data Portal",
            "description": "The Cefas Data Portal contains metadata records and data sets available to download and connect to in support of our commitment to open science. Data is available in the following formats: CSV, ESRI Shapefile. The data can also be accessed via the WFS and WMS protocols.",
            "contentUrl": "https://data.cefas.co.uk/view/3743"
        }
    ],
    "temporalCoverage": "1913/1981",
    "keywords": [
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P03/current/B020/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P03/current/",
            "termCode": "B020",
            "name": "Fish"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/FATX/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "FATX",
            "name": "Fish abundance in water bodies"
        },
        {
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            "name": "Advice"
        },
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            "name": "Analysis"
        },
        {
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            "identifier": "https://www.eionet.europa.eu/gemet/en/concept/4985",
            "name": "Management"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "https://www.eionet.europa.eu/gemet/en/concept/5346",
            "name": "Monitoring"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "https://www.eionet.europa.eu/gemet/en/concept/8099",
            "name": "Stock (biological)"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "https://www.eionet.europa.eu/gemet/en/concept/7982",
            "name": "Species"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P22/current/su/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P22/current/",
            "termCode": "su",
            "name": "Statistical units"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/L13/current/WC/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/L13/current/",
            "termCode": "WC",
            "name": "Water column"
        },
        {
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            "identifier": "http://vocab.nerc.ac.uk/collection/N01/current/NDGO0001/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/N01/current/",
            "termCode": "NDGO0001",
            "name": "Marine Environmental Data and Information Network"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/N01/current/NDGO0005/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/N01/current/",
            "termCode": "NDGO0005",
            "name": "data.gov.uk"
        }
    ],
    "spatialCoverage": {
        "@type": "Place",
        "geo": {
            "@type": "GeoShape",
            "box": "51 -5 61.5 9"
        },
        "additionalProperty": [
            {
                "@type": "PropertyValue",
                "propertyID": "https://epsg.org/crs_4326/WGS-84.html",
                "value": "WGS 84"
            }
        ]
    },
    "author": [
        {
            "@type": "Organization",
            "name": "Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)",
            "description": "owner",
            "email": "data.manager@cefas.co.uk",
            "address": {
                "@type": "PostalAddress"
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    ],
    "maintainer": [
        {
            "@type": "Organization",
            "name": "Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)",
            "description": "custodian",
            "email": "data.manager@cefas.co.uk",
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "Cefas Lowestoft Laboratory, Pakefield Road",
                "postalCode": "NR33 0HT",
                "addressLocality": "Lowestoft",
                "addressRegion": "Suffolk",
                "addressCountry": "UK"
            }
        }
    ],
    "producer": [
        {
            "@type": "Organization",
            "name": "Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)",
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                "streetAddress": "Cefas Lowestoft Laboratory, Pakefield Road",
                "postalCode": "NR33 0HT",
                "addressLocality": "Lowestoft",
                "addressRegion": "Suffolk",
                "addressCountry": "UK"
            }
        }
    ],
    "publisher": [
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    "provider": [
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    "creator": [
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            "@type": "Organization",
            "name": "Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)",
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            "email": "data.manager@cefas.co.uk",
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    "sdPublisher": {
        "@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."
    }
}