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Metadata: 2017 Scottish Natural Heritage (SNH) Loch Carron benthic habitat survey (May)
Abstract:
This work, undertaken by SNH and Marine Scotland Science (MSS) in May 2017, consisted of drop-down video, infaunal grab and diver surveys from the vessel MRV Alba na Mara and the SNH RIB Aphrodite. The primary objective of the work was to corroborate reports by recreational divers highlighting impacts to a flame shell bed off Sgeir Bhuidhe and provide commentary regarding the levels of damage to the bed. A total of 16 dive sites were examined by SNH divers and 11 drop video runs throughout the flame shell bed extent and surrounding area of Sgeir Bhuidhe were done using MSS drop-down video equipment. A total of 16 grab sample sites were also surveyed to validate video footage in areas where divers were not deployed and to enable infaunal community composition and Limaria size composition. In addition to these surveys, an SNH drop-video survey was also undertaken at 30 near-shore sites largely within the outer region of the MPA.
Data holder:
NatureScot (HQ Inverness)
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| Other details | ||
| Internal code | Internally assigned metadata identifier | 11599 |
| 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. | 2017 Scottish Natural Heritage (SNH) Loch Carron benthic habitat survey (May) |
| 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. | dbe9c8aaab9090eed04f97d4d0ff0ce4 |
| Resource Identifier | This is the code assigned by the data owner. | GB-SCT-SNH-ME-000345-MRSNH03000000029-LC |
| 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 | 2017-05-03 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2017-05-05 |
| Spatial resolution | This describes the spatial resolution of the dataset or the spatial limitations of the service. | 100 |
| 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. | This work, undertaken by SNH and Marine Scotland Science (MSS) in May 2017, consisted of drop-down video, infaunal grab and diver surveys from the vessel MRV Alba na Mara and the SNH RIB Aphrodite. The primary objective of the work was to corroborate reports by recreational divers highlighting impacts to a flame shell bed off Sgeir Bhuidhe and provide commentary regarding the levels of damage to the bed. A total of 16 dive sites were examined by SNH divers and 11 drop video runs throughout the flame shell bed extent and surrounding area of Sgeir Bhuidhe were done using MSS drop-down video equipment. A total of 16 grab sample sites were also surveyed to validate video footage in areas where divers were not deployed and to enable infaunal community composition and Limaria size composition. In addition to these surveys, an SNH drop-video survey was also undertaken at 30 near-shore sites largely within the outer region of the MPA. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | MSS surveyed (03-04/05/2017) the presumed extent of the Flame Shell bed using a combination of drop-down video and infaunal grab sampling methods from the vessel MRV Alba na Mara. Six drop-down video runs (LC-V2 - LC-V7) were carried out throughout, with an additional short test run (LC-V1) to the east of the bed. A further four runs (LC-V8 - LC-V11) were carried out in a reference area of similar mixed substrates and depth approximately 1 km south of Sgeir Bhuidhe. Run durations averaged 32 minutes. Positional and depth data were recorded. Both SD and HD video were recorded, with an overlay of position, depth and time on the SD footage. Detailed track data at 1 second intervals was also recorded digitally. Still photographs of the seabed were taken along the video transects at intervals of approximately 1 minute. To validate the video footage in areas where divers were not deployed and to enable an assessment of infaunal community composition and Limaria size composition on the bed, single grab samples were collected at sixteen sites in both surveyed areas using a 0.1 m2 Day grab. The grab contents were subsampled for particle size analysis, photographed and then sieved using a 1 mm mesh. Species present were, as far as possible, identified and quantified using the semi-quantitative MNCR SACFOR scale. Biotopes were allocated based on the physical and biological attributes. Habitat transition points recorded using the time, position and depth from the overlay data. The biota collected from the grab samples was analysed for species composition and abundance by Precision Marine Survey Ltd (Hull), who also measured the dimensions of specimens of Limaria hians, as well as processing the particle size analysis samples. SNH undertook a dive survey (03-04/05/2017) and a drop-down video survey (05/05/2017) from the RIB Aphrodite. Three dives were completed on the Flame Shell bed off Sgeir Bhuidhe in order to examine the condition of the bed and to aid validation of the accuracy of the indicative habitat distribution map. HD video and still imagery was collected of the pristine flame shell habitat and of evidence of physical disturbance such as dredge tracks and damaged biota. Eleven spot dives were undertaken to investigate the wider distribution of flame shells and other PMFs in the outer part of the loch system, and another two dives were carried out off the slipway at North Strome to confirm the current status of the flame shell bed there. Imagery was obtained at all dive sites, with video at 12 and still photographs at 8 of the total of 16 sites examined. Additionally, a programme of near-shore, hand-hauled, drop-down video sampling was undertaken. Thirty brief (2-6 minutes duration) drop-down video runs were carried out within the MPA, but with eight sites just beyond the outer margin of the MPA in an area of recorded maerl and seagrass beds. A GoPro camera was programmed to take still images at 5 second intervals in addition to HD video footage. Start and end depths are recorded for each video, however the absence of tracking data prevented identification of the position and depth of boundaries between habitats along the video run. |
| Additional information | This describes relevant references to the data e.g. reports, articles, websites plus other useful information not captured elsewhere. | Moore, C.G., Harries, D.B., James, B., Cook, R.L., Saunders, G.R, Tulbure, K.W., Harbour, R.P. & Kamphausen, L. 2018. The distribution and condition of flame shell beds and other Priority Marine Features in Loch Carron Marine Protected Area and adjacent waters. Scottish Natural Heritage Research Report No. 1038. |
| 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 | Habitats and biotopes | |
| General subject area(s) associated with the resource, uses multiple controlled vocabularies | Species distribution | |
| 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 | 57.389 |
| East | The eastern-most limit of the data resource in decimal degrees | -5.535 |
| South | The southern-most limit of the data resource in decimal degrees | 57.316 |
| West | The western-most limit of the data resource in decimal degrees | -5.728 |
| Regional sea | Minches and Western Scotland | |
| 42E4 | ||
| 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 occurences that SNH consider as sensititive; all records may therefore be released in response to requests covered by Environmental Information Regulations or Freedom of Information Regulations: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/; additionally its re-use and dissemination is permissable under Open Government Licence terms. Any re-use of this data will acknowledge the copyright owner SNH. |
| 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 to 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) | |
| 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. | 2018-01-01 |
| 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 | 009b70489b7b8bbd1d8570379b72c9c1 | |