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Metadata: 2012 Scottish Natural Heritage (SNH) Luce Bay benthic camera and grab survey of marine features within the SAC
Abstract:
The purpose of this benthic survey in the Luce Bay was to conduct a targeted survey on the extent, distribution and quality of benthic habitats in the Luce Bay and Sands SAC. A drop-down video survey at 138 locations was undertaken in stages between 10th July and 10th September 2012, to investigate benthic habitats, together with a foot based intertidal survey on 4th August 2012 to map the extent of Sabellaria alveolata reefs. Areas where existing evidence suggested the presence of Modiolus and maerl communities were also investigated. Sampling was also undertaken across the site where no previous seabed data has previously been acquired to enhance the existing knowledge base. A benthic grab survey was undertaken on 9th â?? 10th June 2013 at 16 stations to determine the biotopes of some of the soft sediment areas identified during the drop down camera survey. This survey work in 2012 and 2013 was undertaken by Seastar Survey Ltd, contracted by SNH, from Seastar Survey's own vessel SV Otarie (drop-video) and from a local fishing vessel (grab).
Data holder:
NatureScot (HQ Inverness)
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| Other details | ||
| Internal code | Internally assigned metadata identifier | 11357 |
| Title | The title is used to provide a brief and precise description of the dataset such as 'Date', 'Originating organisation/programme', 'Location' and 'Type of survey'. All acronyms and abbreviations should be reproduced in full. | 2012 Scottish Natural Heritage (SNH) Luce Bay benthic camera and grab survey of marine features within the SAC |
| File Identifier | The File Identifier is a code, preferably a GUID, that is globally unique and remains with the same metadata record even if the record is edited or transferred between portals or tools. | 4183ae575c1d1f5f60e6d6dd528f1287 |
| Resource Identifier | This is the code assigned by the data owner. | GB-SCT-SNH-ME-000182-MRSNH0160000000B-LB |
| Resource type | The resource type will likely be a dataset but could also be a series (collection of datasets with a common specification) or a service. | dataset |
| Start date | This describes the date the resource starts. This may only be the year if month and day are not known | 2012-07-10 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2013-06-10 |
| Spatial resolution | This describes the spatial resolution of the dataset or the spatial limitations of the service. | 500 |
| Spatial resolution unit | This describes the unit of spatial resolution which for distance must be metres. | urn:ogc:def:uom:EPSG::9001 |
| Frequency of updates | This describes the frequency with which the resource is modified or updated i.e. a monitoring programme that samples once per year has a frequency that is described as 'annually'. | notPlanned |
| Abstract | The abstract provides a clear and brief statement of the content of the resource. | The purpose of this benthic survey in the Luce Bay was to conduct a targeted survey on the extent, distribution and quality of benthic habitats in the Luce Bay and Sands SAC. A drop-down video survey at 138 locations was undertaken in stages between 10th July and 10th September 2012, to investigate benthic habitats, together with a foot based intertidal survey on 4th August 2012 to map the extent of Sabellaria alveolata reefs. Areas where existing evidence suggested the presence of Modiolus and maerl communities were also investigated. Sampling was also undertaken across the site where no previous seabed data has previously been acquired to enhance the existing knowledge base. A benthic grab survey was undertaken on 9th â?? 10th June 2013 at 16 stations to determine the biotopes of some of the soft sediment areas identified during the drop down camera survey. This survey work in 2012 and 2013 was undertaken by Seastar Survey Ltd, contracted by SNH, from Seastar Survey's own vessel SV Otarie (drop-video) and from a local fishing vessel (grab). |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | This survey was undertaken in two main phases. The purpose of the initial phase was to investigate Sabellaria reefs by foot and a rigid inflatable between 10th and 13th July 2012, with some additional mapping work undertaken by foot on 4th August 2012. The subtidal camera investigation of Sabellaria reefs was undertaken between 8th August and 10th September 2012 (with some interruptions due to bad weather). A total of 138 camera drops were undertaken using a Kongsberg OE 14-208 digital video and stills camera system, mounted on a drop-down camera frame. The camera sent a continuous video feed to the surface. Still images were taken to capture representative images of the dominant seabed habitats and sediment types along each video transect and also to capture interesting features with a particular focus on identifying key fauna, seabed features or sediment types. Where Sabellaria reef was found, the reef extent was mapped by foot. The on-foot mapping of the Sabellaria reefs was undertaken by a pair of field scientists. The scientists walked as a pair around the extent of each reef. The scientist carrying the GPS walked along the edge of the reef, while the second scientist walked parallel but several metres away from the reef in order to check that the true extent of the reef was being mapped. Once the locations of the main areas of Sabellaria had been established, the seaward extent of Sabellaria along the east coast was mapped from a 3.5 m inflatable tender and surveyed using a lightweight pole mounted camera (polecam). A total of 24 polecam video lines were recorded. The polecam set-up consisted of a Bowtech LC3 underwater video camera mounted on a lightweight pole and connected to the surface by an umbilical, and was deployed over the side of the inflatable boat. The purpose of the second survey phase was to sample the subtidal habitat using benthic grabs. This survey was undertaken between the 9th and 10th June 2013, following initial analysis of the drop-down camera footage to inform the grab sampling locations. Three stations were regarded as priority targets. The first was a station where three replicate samples were to be collected from a maerl bed identified from the drop-down camera station. The second was a station which was a repeat of a site sampled by ERT in 2007, and a potential maerl location. The third priority station was where large quantities of dead Modiolus shells were identified from the drop-down camera survey. The remaining stations were selected to provide infaunal data to aid with biotope classification of soft sediment habitats, and to cover a geographic spread over the bay. In total, 16 grab stations were sampled using a 0.1m2 van Veen grab. At each station a fauna and a PSA sample were collected. Each infaunal sample was passed through a 1mm mesh sieve and the infaunal sieve residue retained and fixed with buffered formalin for subsequent analysis. A small sub-sample of the grab was removed for PSA analysis and stored in plastic bags before being frozen. |
| Additional information | This describes relevant references to the data e.g. reports, articles, websites plus other useful information not captured elsewhere. | Allen, C., Axelsson, M., Doran, J., & Dewey, S. (2014). Survey of marine features within the Luce Bay and Sands Special Area of Conservation (SAC). Scottish Natural Heritage Commissioned Report No. 738. |
| Related keywords | ||
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Marine Environmental Data and Information Network |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | NDGO0005 | |
| Keyword title | data.gov.uk | |
| Keyword | General subject area(s) associated with the resource, uses multiple controlled vocabularies | Habitats and biotopes |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Habitat characterisation | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Habitat extent | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Zoobenthos taxonomic abundance | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Zoobenthos taxonomy-related counts | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 54.895 |
| East | The eastern-most limit of the data resource in decimal degrees | -4.43 |
| South | The southern-most limit of the data resource in decimal degrees | 54.35 |
| West | The western-most limit of the data resource in decimal degrees | -4.969 |
| Regional sea | Irish Sea | |
| 38E5 | ||
| Responsible organisations | ||
| Role | The point of contact is person or organisation with responsibility for the creation and maintenance of the metadata for the resource. | pointOfContact |
| Organisation name | NatureScot (HQ Inverness) | |
| data_supply@nature.scot | ||
| Role | The owner is the person or organisation that owns the resource. | owner |
| Organisation name | Scottish Natural Heritage (SNH), Headquaters | |
| Individual name | Scottish Natural Heritage (SNH) | |
| Position name | Data Manager | |
| Phone | 01463 725000 | |
| data_supply@nature.scot | ||
| Role | The custodian is the person or organisation that accepts responsibility for the resource and ensures appropriate care and maintenance. If a dataset has been lodged with a Data Archive Centre for maintenance then this organisation is be entered here. | custodian |
| Organisation name | NatureScot (HQ Inverness) | |
| Position name | NatureScot Data Manager | |
| data_supply@nature.scot | ||
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | Scottish Natural Heritage (SNH), Headquaters | |
| Individual name | Scottish Natural Heritage (SNH) | |
| Position name | Data Manager | |
| Phone | 01463 725000 | |
| data_supply@nature.scot | ||
| Role | The distributor is the person or organisation that distributes the resource. | distributor |
| Organisation name | Data Archive for Seabed Species and Habitats (DASSH) | |
| Individual name | Esther Hughes | |
| Position name | Data Manager | |
| Phone | 01752 633102 | |
| dassh.enquiries@mba.ac.uk | ||
| Dataset constraints | ||
| 20.1 Limitations on Public Access - Access constraints | This states `otherRestrictions` from ISO vocabulary RestrictionCode and is an INSPIRE/GEMINI requirement. | otherRestrictions |
| 20.2 Limitations on Public Access - Other constraints | This states any limitations on access to the data. Multiple occurences are allowed here. One entry shall be from the INSPIRE Metadata registry and the other free text should be part of the resource `Have specific limitations`. | 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. |
| 21.1 Conditions for Access and Use - Use constraints | This states `otherRestrictions` from ISO vocabulary RestrictionCode and is an INSPIRE/GEMINI requirement. | otherRestrictions |
| 21.2 Conditions for Access and Use - Other constraints | This states any constraints on use of the data. Multiple conditions can be recorded for different parts of the data resource. If no conditions apply, then `No condtions apply` is recorded. This uses free text. | No restrictions on public access |
| Available data formats | ||
| Data format | Format in which digital data can be provided for transfer | Database (Marine Recorder) |
| Format in which digital data can be provided for transfer | Documents (Published report) | |
| Format in which digital data can be provided for transfer | Geographic Information System (shapefile) | |
| Format in which digital data can be provided for transfer | Image | |
| Version info | ||
| Date of publication | The publication date of the resource or if previously unpublished the date that the resource was made publicly available via the MEDIN network. | 2014-12-31 |
| Harvest date | The date which this record has been (re)harvested from the provider. | 2026-04-12 |
| Metadata date | The date when the content of this metadata record was last updated. | 2025-06-05 |
| Metadata standard name | The name of the metadata standard used to create this metadata | MEDIN |
| Metadata standard version | The version of the MEDIN Discovery Metadata Standard used to create the metadata record | 3.1.2 |