{
    "@context": "https://schema.org",
    "@type": "Dataset",
    "@id": "http://portal.medin.org.uk/portal/json-ld/CEFAS07428f33-233f-431a-a0a4-3210fe245c2a.jsonld",
    "identifier": "CEFAS07428f33-233f-431a-a0a4-3210fe245c2a",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=CEFAS07428f33-233f-431a-a0a4-3210fe245c2a",
    "name": "Biodiversity patterns under a shifting baseline: Sensitive fish species core areas (Aim 1) 2024",
    "description": "The dataset contains outputs from Aim 1 in Bluemel et al. 2024 - Biodiversity \r\npatterns under a shifting baseline: important areas for sensitive fish species \r\nand ecosystem functioning to assist marine spatial planning (see attached), \r\nCefas Project Report for Defra, 40 pp. The dataset includes regional \r\ncore-areas (persistent areas of high fish population density) and projected \r\nspatial changes in the distribution of sensitive fish species (currently and \r\nunder future environmental change) for nine focal species, including the \r\ncommon skate complex (Dipturus spp.), spurdog (Squalus acanthias), tope \r\n(Galeorhinus galeus), spotted ray (Raja montagui), undulate ray (Raja \r\nundulata), starry ray (Amblyraja radiata), John Dory (Zeus faber), Atlantic \r\nwolffish (Anarhichas lupus) and Atlantic halibut (Hippoglossus hippoglossus).\r\n\r\nHistoric core areas / home ranges: vectors of historic core-areas (persistent \r\nareas of high fish population density) and home ranges of the nine focal \r\nspecies derived from standardised trawl data (survey catch-rates expressed in \r\nterms of biomass per area swept by the trawl, kg.km2) from long-term \r\nfishery-independent monitoring programmes (Lynam & Ribeiro 2022a). Where \r\navailable, core areas were defined for each decade (1985 \u2013 1994; 1995 \u2013 2004; \r\n2005 \u2013 2014) where 50% of the population\u2019s kernel density was concentrated. \r\nSimilarly, the species range was defined as the areas containing 95% of the \r\npopulation\u2019s kernel density. NB, there are no historic core areas available \r\nfor tope.\r\n\r\nSpecies distributions: contains gridded rasters of the raw predicted habitat \r\nsuitability projections from the Bayesian Additive Regression Trees (BART, \r\nChipman et al., 2010) modeling algorithm for the nine fish species for the \r\nmodel training/current day period 2005 \u2013 2014 ('Training') and expected \r\nhabitat suitability for a species given future environmental conditions in \r\n2050 (climate projection representative concentration pathway (RCP) 4.5 \r\n(medium emissions, high mitigation)) ('RCP4.5_2050').\r\n\r\nCurrent core areas: contains vectors of current core-areas of the nine focal \r\nspecies derived from the expected habitat, based on a novel thresholding \r\napproach tailored to the projections of each species distribution model (SDM) \r\nby outcomes from the spatial analysis of survey-derived biomass. \r\n\r\nFuture core areas under rcp4.5 emissions scenario in 2050: contains vectors of \r\nfuture core-areas of the nine focal species derived from the expected habitat, \r\nbased on a novel thresholding approach tailored to the projections of each SDM \r\nby outcomes from the spatial analysis of survey-derived biomass. NB, no future \r\ncore area is predicted for starry ray under this emissions scenario.\r\n\r\nThe spatial reference for all data is WGS84/UTM zone 30N (EPSG:32630)",
    "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: Binary download, CSV, ESRI Shapefile. The data can also be accessed via the WFS and WMS protocols.",
            "contentUrl": "https://data.cefas.co.uk/view/21899"
        }
    ],
    "temporalCoverage": "2024-04-18/2025-04-11",
    "keywords": [
        {
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            "identifier": "https://www.eionet.europa.eu/gemet/en/concept/2470",
            "name": "Ecology"
        },
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            "identifier": "https://www.eionet.europa.eu/gemet/en/concept/5327",
            "name": "Modelling"
        },
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            "identifier": "https://www.eionet.europa.eu/gemet/en/concept/1462",
            "name": "Climate"
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            "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/HBCH/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "HBCH",
            "name": "Habitat characterisation"
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            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P22/current/",
            "termCode": "am",
            "name": "Area management/restriction/regulation zones and reporting units"
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            "identifier": "http://vocab.nerc.ac.uk/collection/P22/current/sd/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P22/current/",
            "termCode": "sd",
            "name": "Species distribution"
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    "spatialCoverage": {
        "@type": "Place",
        "geo": {
            "@type": "GeoShape",
            "box": "45 -17 64 10"
        },
        "additionalProperty": [
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        "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."
    }
}