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    "identifier": "60a8373faccd0547200374397a269e7c",
    "url": "http://portal.medin.org.uk/portal/?details&tpc=60a8373faccd0547200374397a269e7c",
    "name": "2011 Scottish Natural Heritage (SNH) Lochs Linnhe, Etive, Leven and Eil broadscale validation benthic camera and grab survey",
    "description": "The purpose of this benthic survey of Lochs Linnhe, Etive, Leven and Eil was to carry out a broadscale validation survey of the multiple MPA search features historically recorded within the survey area and to record new instances of these and assess previously identified Priority Marine Features (PMFs) and record any new instances of PMFs. Surveying in the Linnhe sea lochs system was split into two parts, A and B. \r\n Part A is a coarse grained characterisation of the search feature distribution, carried out by the Scottish Association for Marine Science (SAMS), incorporated remote benthic sampling using a combination of grab and video (DDV and ROV). Part B was chiefly to examine discrete beds of specific PMFs, undertaken by Heriot-Watt University (HWU), using divers to provide detailed survey analyses on targeted high priority features, shore based survey methods and drop-down video. This study aimed to determine whether PMFs and MPA search features were still present at previously documented locations. A remote video and grab survey was conducted by SAMS for SNH between the 3rd and 26th August 2011 to collect detailed biological information on the seabed species and habitat features present. Drop-down video drift tows were undertaken at 181 sites within the Linnhe sea lochs system study area. The images, analysed under SNH contract by SAMS, were used to describe the nature of the seabed in terms of the physical structure and the species assemblages. An ROV survey was undertaken at 23 sites in Loch Linnhe, generally targeting locations where the northern featherstar (Swiftia pallida) had been recorded, and or where the proximity of steep underwater cliffs or pinnacles made deployment of the drop-down video problematic. Quantitative infaunal grab sampling was undertaken at 37 sites and multigrabs at 12 sites in Lochs Linnhe and Eil for marcofauna analysis and PSA. The vessels RV Seol Mara and SV Sir John Murray were used for this survey. \r\n \r\n Part B was chiefly to examine discrete beds of specific PMFs, undertaken by Heriot-Watt University (HWU), using divers to provide detailed survey analyses on targeted high priority features, shore based survey methods and drop-down video. This study aimed to determine whether PMFs and MPA search features were still present at previously documented locations. A drop-down video and diver survey was conducted by HWU for SNH between the 18th June and 4th November 2011 to collect detailed biological information on the seabed species and habitat features present. Drop-down video drift tows were undertaken at 38 sites within the Linnhe sea lochs system study area from the RV Serpula, principally as a component of the localised dive surveys of flame shell and horse mussel beds. The images, analysed under SNH contract by HWU, were used to describe the nature of the seabed in terms of the physical structure and the species assemblages. Localised surveys (combination of DDV, dive and diver MNCR phase-two) were carried out at 9 sites to assess the distribution, extent and condition of the high priority PMF MPA search features. The vessels RV Seol Mara and RV Serpula were used for this survey. \r\n This work was funded by Marine Scotland as part of the Scottish MPA project.",
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    "conditionsOfAccess": [
        "access: Not for navigational use; This survey recorded no species or biotope occurrences that SNH consider as sensitive; all records may therefore be released in response to requests covered by Environmental Information Regulations or Freedom of Information Regulations; additionally its re-use and dissemination is permissible under Open Government Licence terms. Any re-use of this data will acknowledge the copyright owner.",
        "use: No restrictions on public access"
    ],
    "temporalCoverage": "2011-06-18/2011-11-04",
    "keywords": [
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            "termCode": "NDGO0001",
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            "termCode": "accepted",
            "name": "NDGO0005"
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            "termCode": "31",
            "name": "Habitats and biotopes"
        },
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            "@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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            "identifier": "http://vocab.nerc.ac.uk/collection/P02/current/HBEX/",
            "inDefinedTermSet": "http://vocab.nerc.ac.uk/collection/P02/current/",
            "termCode": "HBEX",
            "name": "Habitat extent"
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            "termCode": "ZOOB",
            "name": "Zoobenthos taxonomy-related counts"
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    "spatialCoverage": {
        "@type": "Place",
        "geo": {
            "@type": "GeoShape",
            "box": "56.3659 -5.6891 56.8561 -4.9825"
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            "name": "Data Archive for Seabed Species and Habitats (DASSH)",
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        "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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