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Metadata: 2006 Scottish Natural Heritage (SNH) Sound of Barra broad-scale mapping survey
Abstract:
The purpose of this broad-scale mapping survey in the Sound of Barra and in the Sound of Eriskay in the vicinity of the causeway was to: extend the coverage of subtidal biotope mapping to encompass the central and western parts of the Sound; to conduct intertidal biotope mapping over the whole of the Sound including those areas surveyed subtidally in 2001 and to produce comprehensive biotope maps; and to assess biological changes occurring in the Sounf of Eriskay. This study utilised satellite imagery, underwater acoustic sensing techniques and biological ground surveys to develop a biotope distribution map of the area and relate this distribution to prevailing environmental conditions. The work was undertaken for SNH by the Universities of Heriot-Watt (HWU) and Edinburgh (EDU) between the 9th July and 12th August 2006 and acoustic data was supplied under subcontract by Agri-Food and Biosciences Institute (AFBI). To collect this detailed biological information on the seabed species and habitat features present, records were acquired from a total of 204 subtidal stations. Of these, 137 were surveyed by drop-down video and 67 by diver. A total of 46 shore locations were visited and records acquired from 258 shore zones. Sediment infauna samples were collected from 56 locations (40 subtidal and 16 intertidal). 5 sites, previously surveyed in 2001 around the Eriskay causeway, were revisited and resurveyed by divers recording details of substrate, environmental conditions and biological communities. The images, analysed under SNH contract by Heriot-Watt University, University of Edinburgh and Agri-Food and Biosciences Institute, Belfast, were used to describe the nature of the seabed in terms of the physical structure and the species assemblages and assess anthropogenic induced change.
Data holder:
NatureScot (HQ Inverness)
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| Other details | ||
| Internal code | Internally assigned metadata identifier | 11645 |
| 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. | 2006 Scottish Natural Heritage (SNH) Sound of Barra broad-scale mapping survey |
| 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. | f7653c13e768a228cdbdb45645fb9a3a |
| Resource Identifier | This is the code assigned by the data owner. | GB-SCT-SNH-ME-000109-MRSNH00300000004-SOB |
| 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 | 2006-07-09 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2006-08-12 |
| 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 broad-scale mapping survey in the Sound of Barra and in the Sound of Eriskay in the vicinity of the causeway was to: extend the coverage of subtidal biotope mapping to encompass the central and western parts of the Sound; to conduct intertidal biotope mapping over the whole of the Sound including those areas surveyed subtidally in 2001 and to produce comprehensive biotope maps; and to assess biological changes occurring in the Sounf of Eriskay. This study utilised satellite imagery, underwater acoustic sensing techniques and biological ground surveys to develop a biotope distribution map of the area and relate this distribution to prevailing environmental conditions. The work was undertaken for SNH by the Universities of Heriot-Watt (HWU) and Edinburgh (EDU) between the 9th July and 12th August 2006 and acoustic data was supplied under subcontract by Agri-Food and Biosciences Institute (AFBI). To collect this detailed biological information on the seabed species and habitat features present, records were acquired from a total of 204 subtidal stations. Of these, 137 were surveyed by drop-down video and 67 by diver. A total of 46 shore locations were visited and records acquired from 258 shore zones. Sediment infauna samples were collected from 56 locations (40 subtidal and 16 intertidal). 5 sites, previously surveyed in 2001 around the Eriskay causeway, were revisited and resurveyed by divers recording details of substrate, environmental conditions and biological communities. The images, analysed under SNH contract by Heriot-Watt University, University of Edinburgh and Agri-Food and Biosciences Institute, Belfast, were used to describe the nature of the seabed in terms of the physical structure and the species assemblages and assess anthropogenic induced change. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | This subtidal and intertidal seabed data from the Sound of Barra was collected by Universities of Heriot-Watt and Edinburgh between the 9th July and 12th August 2006.The biotope mapping survey was conducted by 2 teams. Records were acquired from a total of 204 subtidal stations. Of these, 137 were surveyed by drop-down video and 67 by diver. A total of 46 shore locations were visited and records acquired from 258 shore zones. Sediment infauna samples were collected from 56 locations (40 subtidal and 16 intertidal) and all were selected for full identification and enumeration. One team (Team A) concentrated on deeper areas of the Sound surveying ground-truth stations by dropdown video. A representative selection of sedimentary habitats were sampled by Van Veen grab (0.1m2) to aid biotope identification. The second team (Team B) concentrated on shallow or inaccessible areas and stations were surveyed by diver. At each station divers spent 10 minutes recording details of substrate, environmental conditions and biological communities. The divers also recorded video footage to give an overview of the nature of the site. A representative selection of sedimentary habitats were sampled by 5 deployments of a 0.045m2 mini Van Veen grab to aid biotope identification. During periods of low tide each team visited a number of intertidal groundtruth stations. At each site surveyors recorded details of substrate, environmental conditions and biological communities dividing the shore profile into biological zones as appropriate. Zones of sufficient extent to be discernable on the satellite image were identified for use in the supervised classification of the image. In addition to field records, representative video footage and digital stills images were taken at each shore location. At selected sediment shores infaunal samples were collected, each sample consisting of 8 cores of 10 cm internal diameter taken to a depth of 15 cm. In addition, a dig-over was made of a 1m2 area and the presence of any fauna noted. Five sites around the Eriskay Causeway, previously surveyed in 2001, were revisited and resurveyed by divers recording details of substrate, environmental conditions and biological communities. The divers also recorded video footage to give an overview of the nature of the site. These sites included two maerl sites and one Zostera site. Two sites previously sampled for infauna in 2001 were re-sampled including one of the diver survey sites. |
| Additional information | This describes relevant references to the data e.g. reports, articles, websites plus other useful information not captured elsewhere. | Harris, D.B., Malthus, T.J., Karpouzli, E., Moore, C.G., Lyndon, A.R., Mair, J.M., Service, M., Mitchell, A. (2007). Biotope mapping of the Sound of Barra, Scotland. Scottish Natural Heritage Commissioned Report No.258 |
| 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 | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Seabed Impact | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 57.1372 |
| East | The eastern-most limit of the data resource in decimal degrees | -7.227 |
| South | The southern-most limit of the data resource in decimal degrees | 56.9594 |
| West | The western-most limit of the data resource in decimal degrees | -7.4604 |
| Regional sea | Minches and Western Scotland | |
| 43E2 | ||
| 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 (shapefiles) | |
| 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. | 2007-12-31 |
| Harvest date | The date which this record has been (re)harvested from the provider. | 2026-04-19 |
| Metadata date | The date when the content of this metadata record was last updated. | 2025-06-10 |
| 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 |
| Metadata parent | 5b234a24e7aff97ad742a7741d4d6699 | |