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    "identifier": "01ea510a307c98cd1fd9855560ca251d",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=01ea510a307c98cd1fd9855560ca251d",
    "name": "2010-2014 Royal Society for the Protection of Birds (RSPB) United Kingdom Shag, Guillemot, Kittiwake and Razorbill distributions",
    "description": "Population-level estimates of species' distributions can reveal fundamental ecological processes and facilitate conservation. However, these may be difficult to obtain for mobile species, especially colonial central-place foragers (CCPFs; e.g., bats, corvids, social insects), because it is often impractical to determine the provenance of individuals observed beyond breeding sites. Moreover, some CCPFs, especially in the marine realm (e.g., pinnipeds, turtles, and seabirds) are difficult to observe because they range tens to ten thousands of kilometers from their colonies. It is hypothesized that the distribution of CCPFs depends largely on habitat availability and intraspecific competition. Modeling these effects may therefore allow distributions to be estimated from samples of individual spatial usage. Such data can be obtained for an increasing number of species using tracking technology. However, techniques for estimating population-level distributions using the telemetry data are poorly developed. This is of concern because many marine CCPFs, such as seabirds, are threatened by anthropogenic activities. Here, we aim to estimate the distribution at sea of four seabird species, foraging from approximately 5,500 breeding sites in Britain and Ireland. To do so, we GPS-tracked a sample of 230 European Shags Phalacrocorax aristotelis, 464 Black-legged Kittiwakes Rissa tridactyla, 178 Common Murres Uria aalge, and 281 Razorbills Alca torda from 13, 20, 12, and 14 colonies, respectively. Using Poisson point process habitat use models, we show that distribution at sea is dependent on (1) density-dependent competition among sympatric conspecifics (all species) and parapatric conspecifics (Kittiwakes and Murres); (2) habitat accessibility and coastal geometry, such that birds travel further from colonies with limited access to the sea; and (3) regional habitat availability. Using these models, we predict space use by birds from unobserved colonies and thereby map the distribution at sea of each species at both the colony and regional level. Space use by all four species' British breeding populations is concentrated in the coastal waters of Scotland, highlighting the need for robust conservation measures in this area. The techniques we present are applicable to any CCPF.\r\n The maps were updated in May 2018 to correct a small error. The updated maps should be used in place of those available before May 2018.",
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    "conditionsOfAccess": [
        "otherRestrictions: DASSH terms and conditions apply"
    ],
    "temporalCoverage": "2010-05-01/2014-07-31",
    "keywords": [
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            "@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"
        },
        {
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            "termCode": "accepted",
            "name": "NDGO0005"
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            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P22/current/32/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P22/current/",
            "termCode": "32",
            "name": "Species distribution"
        },
        {
            "@type": "DefinedTerm",
            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/BRDD/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "BRDD",
            "name": "Bird taxonomy-related abundance per unit area of surface"
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            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/BRDA/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "BRDA",
            "name": "Bird counts"
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    ],
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            "box": "48.7262 -17.6398 63.9608 5.5633"
        },
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            {
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                "identifier": "http://vocab.nerc.ac.uk/collection/C19/current/1_5/",
                "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/C19/current/",
                "termCode": "1_5",
                "name": "Bristol Channel"
            },
            {
                "@type": "DefinedTerm",
                "identifier": "http://vocab.nerc.ac.uk/collection/C19/current/1_7/",
                "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/C19/current/",
                "termCode": "1_7",
                "name": "English Channel"
            },
            {
                "@type": "DefinedTerm",
                "identifier": "http://vocab.nerc.ac.uk/collection/C19/current/1_3/",
                "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/C19/current/",
                "termCode": "1_3",
                "name": "Inner Seas off the West Coast of Scotland"
            },
            {
                "@type": "DefinedTerm",
                "identifier": "http://vocab.nerc.ac.uk/collection/C19/current/1/",
                "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/C19/current/",
                "termCode": "1",
                "name": "North Atlantic Ocean"
            },
            {
                "@type": "DefinedTerm",
                "identifier": "http://vocab.nerc.ac.uk/collection/C19/current/1_2/",
                "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/C19/current/",
                "termCode": "1_2",
                "name": "North Sea"
            },
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                "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/C19/current/",
                "termCode": "9_7",
                "name": "Norwegian Sea"
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                "termCode": "1_6",
                "name": "Celtic Sea"
            }
        ],
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                "propertyID": "http://www.opengis.net/def/crs/EPSG/0/3575",
                "value": "urn:ogc:def:crs:EPSG:3575"
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    "maintainer": [
        {
            "@type": "Organization",
            "name": "Data Archive for Seabed Species and Habitats (DASSH)",
            "description": "custodian",
            "email": "dassh.enquiries@mba.ac.uk",
            "telephone": "01752 633102",
            "faxNumber": "01752 633291",
            "address": {
                "@type": "PostalAddress",
                "streetAddress": "Marine Biological Association of the UK,\r\n The Laboratory,\r\n Citadel Hill",
                "postalCode": "PL1 2PB",
                "addressLocality": "Plymouth"
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            "name": "Royal Society for the Protection of Birds (HQ)",
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            "email": "mark.bolton@rspb.org.uk",
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                "@type": "PostalAddress"
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    ],
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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."
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}