{
    "@context": "https://schema.org",
    "@type": "Dataset",
    "@id": "http://portal.medin.org.uk/portal/json-ld/CEFASabb5f64c-16a6-4b3a-9625-9ead31642ef1.jsonld",
    "identifier": "CEFASabb5f64c-16a6-4b3a-9625-9ead31642ef1",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=CEFASabb5f64c-16a6-4b3a-9625-9ead31642ef1",
    "name": "Blackwater Estuary Plankton Survey",
    "description": "A series of plankton surveys were undertaken on charter vessels Gill and \r\nOceanus in the Blackwater Estuary between 1993-1997 in order to examine \r\nherring larval growth, dispersal and feeding. Samples of fish eggs and larvae, \r\njuvenile fish and mesozooplankton were collected for analysis. Data also \r\nincludes associated positional and ancillary data (e.g. surface salinity and \r\ntemperature) and estimates of water volumes filtered.",
    "includedInDataCatalog": {
        "@id": "http://portal.medin.org.uk/portal/json-ld/catalog.jsonld"
    },
    "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/2632"
        }
    ],
    "temporalCoverage": "1993-01-01/1997-12-31",
    "keywords": [
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P03/current/B025/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P03/current/",
            "termCode": "B025",
            "name": "Microzooplankton"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P03/current/B045/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P03/current/",
            "termCode": "B045",
            "name": "Zooplankton"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "https://www.eionet.europa.eu/gemet/en/concept/6282",
            "name": "Plankton"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "https://www.eionet.europa.eu/gemet/en/concept/130",
            "name": "Advice"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "https://www.eionet.europa.eu/gemet/en/concept/397",
            "name": "Analysis"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "https://www.eionet.europa.eu/gemet/en/concept/4985",
            "name": "Management"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/PYTT/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "PYTT",
            "name": "Plankton abundance per unit volume of the water column"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P22/current/sd/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P22/current/",
            "termCode": "sd",
            "name": "Species distribution"
        },
        {
            "@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"
        },
        {
            "@type": "DefinedTerm",
            "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": "51.25 0 52 2"
        },
        "additionalProperty": [
            {
                "@type": "PropertyValue",
                "propertyID": "https://epsg.org/crs_4326/WGS-84.html",
                "value": "WGS 84"
            }
        ]
    },
    "author": [
        {
            "@type": "Organization",
            "name": "Department for Environment, Food and Rural Affairs (DEFRA)",
            "description": "owner",
            "email": "defra.helpline@defra.gov.uk",
            "address": {
                "@type": "PostalAddress"
            }
        }
    ],
    "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)",
            "description": "originator",
            "email": "data.manager@cefas.co.uk",
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "Cefas Lowestoft Laboratory, Pakefield Road",
                "postalCode": "NR33 0HT",
                "addressLocality": "Lowestoft",
                "addressRegion": "Suffolk",
                "addressCountry": "UK"
            }
        }
    ],
    "publisher": [
        {
            "@type": "Organization",
            "name": "Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)",
            "description": "pointOfContact",
            "email": "data.manager@cefas.co.uk",
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "Cefas Lowestoft Laboratory, Pakefield Road",
                "postalCode": "NR33 0HT",
                "addressLocality": "Lowestoft",
                "addressRegion": "Suffolk",
                "addressCountry": "UK"
            }
        }
    ],
    "provider": [
        {
            "@type": "Organization",
            "name": "Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS)",
            "description": "distributor",
            "email": "data.manager@cefas.co.uk",
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "Cefas Lowestoft Laboratory, Pakefield Road",
                "postalCode": "NR33 0HT",
                "addressLocality": "Lowestoft",
                "addressRegion": "Suffolk",
                "addressCountry": "UK"
            }
        }
    ],
    "creator": [
        {
            "@type": "Organization",
            "name": "Department for Environment, Food and Rural Affairs (DEFRA)",
            "description": "owner",
            "email": "defra.helpline@defra.gov.uk",
            "address": {
                "@type": "PostalAddress"
            }
        }
    ],
    "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."
    }
}