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Metadata: 2012 Scottish Natural Heritage (SNH) biological analyses of Marine Scotland (MS) Fetlar to Haroldswick benthic MPA search feature survey
Abstract:
The purpose of this benthic survey within the Fetlar to Haroldswick MPA propasal (at time of survey) was to determine the wider distribution and validate the continued presence, extent, and status of specified proposed protected features maerl beds, horse mussel beds, and shallow tide-swept coarse sands with burrowing bivalves within the MPA proposal and to inform future site management. An underwater video survey was conducted by SNH, Heriot-Watt University (HWU) and MS for MS on the 27th-5th September 2012 to collect detailed biological information on the seabed species and habitat features present. Drop-down video drift tows were undertaken at 69 sites, grab sampling was undertaken in 19 locations and in situ diver surveys (MNCR phase 2 style) were undertaken at 5 sites (three horse mussel beds and two maerl beds were investigated). Analyses on the seabed video and still images and infaunal samples by Heriot-Watt University, commissioned by SNH, were used to describe the nature of the seabed in terms of the physical structure and the species assemblages. The survey vessel Moder Dy, owned by NAFC, was used from 27th-31st Aug to undertake drop-down video and grab survey work and a second vessel MZ Halton was used from 1st-5th September to undertake diving work.
Data holder:
NatureScot (HQ Inverness)
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| Other details | ||
| Internal code | Internally assigned metadata identifier | 11600 |
| 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) biological analyses of Marine Scotland (MS) Fetlar to Haroldswick benthic MPA search feature 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. | df0f2b5e71b4ae247e333ebcb8c41597 |
| Resource Identifier | This is the code assigned by the data owner. | GB-SCT-SNH-ME-000206-MRSNH02500000005-FH |
| 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 | 2012-08-27 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2012-09-05 |
| Spatial resolution | This describes the spatial resolution of the dataset or the spatial limitations of the service. | 1000 |
| 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 within the Fetlar to Haroldswick MPA propasal (at time of survey) was to determine the wider distribution and validate the continued presence, extent, and status of specified proposed protected features maerl beds, horse mussel beds, and shallow tide-swept coarse sands with burrowing bivalves within the MPA proposal and to inform future site management. An underwater video survey was conducted by SNH, Heriot-Watt University (HWU) and MS for MS on the 27th-5th September 2012 to collect detailed biological information on the seabed species and habitat features present. Drop-down video drift tows were undertaken at 69 sites, grab sampling was undertaken in 19 locations and in situ diver surveys (MNCR phase 2 style) were undertaken at 5 sites (three horse mussel beds and two maerl beds were investigated). Analyses on the seabed video and still images and infaunal samples by Heriot-Watt University, commissioned by SNH, were used to describe the nature of the seabed in terms of the physical structure and the species assemblages. The survey vessel Moder Dy, owned by NAFC, was used from 27th-31st Aug to undertake drop-down video and grab survey work and a second vessel MZ Halton was used from 1st-5th September to undertake diving work. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | This subtidal seabed data from the Fetlar to Haroldswick was collected by SNH, HWU and MSS between the 27th August and 5th September 2013. Video images were obtained from 69 drop-down video drift tows and 19 grab samples were collected onboard the vessel Moder Dy. The drop-down video camera set up was a Panasonic NV-GS150 3 chip digital video camera within a Seapro housing held within a small sled frame, and illumination provided by twin 100 watt lamps. A 150 m umbilical cable carried the video signal to a Sony Video Walkman for real-time observations and recording preliminary notes on habitats and species observed. Video tows lasted between approximately 5-10 mins. GPS tracks of each deployment were recorded to a Magellan GPS unit and simultaneously overlaid onto the video feed and logged onto a laptop. This gave positional information every second for the duration of each tow. Photographs of the seabed were taken at intervals to aid biotope determinations. Track and depth data were were recorded at the start and end of each video tow. SNH contracted HWU to analyse the video footage to describe the physical structure and species assemblages present. Species present were identified and quantified using the semi-quantitative MNCR SACFOR scale, as far as possible or using a numerical abundance. Where video runs traversed a sequence of biotopes, the runs are split into corresponding segments with the transition points recorded using time. Segmentation of runs was not practicable in the case of mosaics of recurring biotopes, in which case all biotopes observed were simply listed. Runs and run segments were assessed for the presence of PPFs and other PMFs, as well as for the presence of species and habitats of recognised conservation importance. Grab samples of seabed sediment were collected using a 0.1m2 Van Veen grab. The sample was rejected and repeated if the grab gear was wedged open by stones of other organisms. A 150ml subsample was taken from each grab for PSA. The analyses of grabs involved infaunal identification, particle size analysis (PSA) and assigning a biotope to each sample. Each infaunal sample was passed through a 1mm mesh seive and the residue retained and fixed with 4% borax buffered formalin for processing. The PSA was carried out by a combination of dry sieving and laser particle size analysis. Prior to analysis photographs were taken of all samples. All laboratory measures were based on best practice and in line with the NMBAQC scheme guidelines and species reporting nomenclature used WoRMS standards. A diver survey was undertaken on board the MV Halton. In situ MNCR-style phase 2 surveys were carried out at five sites (three horse mussel bed sites and two maerl bed sites). The diver surveys were used to assess the quality of these proposed protected features. The locations of the dive survey sites were determined using the initial results of the DDV survey. A 25 m tape was laid out from a shot line. Two divers surveyed a 2 m band either side of the tape and recorded the presence and where possible, an estimate of the abundance of conspicuous biota using standard MNCR recording forms. The transect band was also recorded using a hand held video camera (Cannon HF G10 in a Light and Motion housing) and still photographs were taken of the proposed protected features and associated communities using a digital stills camera. For community analyses, at maerl bed sites divers took four replicate core samples which were sieved through a 1 mm mesh screen and the remaining sample was preserved in borax-buffered 5% formalin. A 20 cm sediment core of 5 cm diameter was also taken for PSA. Processing of these samples followed the same procedure as for grab samples. At horse mussel beds, four replicate clump samples were taken and placed in 5 litre buckets as a corer was not effective on horse mussel beds. Biotope codes were assigned to the records using in situ observations and clump/core data. |
| Additional information | This describes relevant references to the data e.g. reports, articles, websites plus other useful information not captured elsewhere. | Hirst, N.E., Kamphausen, L.M., Cook, R.L., Porter, J.S., Sanderson, W.G. 2013. Distribution and status of proposed protected features in the Fetlar to Haroldswick MPA proposal. Scottish Natural Heritage Commissioned Report No. 599. |
| 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 | 60.7889 |
| East | The eastern-most limit of the data resource in decimal degrees | -0.7473 |
| South | The southern-most limit of the data resource in decimal degrees | 60.5454 |
| West | The western-most limit of the data resource in decimal degrees | -1.0929 |
| Regional sea | Northern North Sea | |
| 50E8 | ||
| 50E9 | ||
| 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 to be used for navigation. Native oyster was recorded during survey. SNH Sensitive species policy regards instances of Native oyster (Ostrea edulis) species occurrences and instances of biotope Ostrea edulis beds on shallow sublittoral muddy mixed sediment (SS.SMx.IMx.Ost/ SS.IMX.Oy) as sensitive, as commercial fishing is threatening stocks. As such SNH would not release such records in response to an Environmental Information (Scotland) Regulations 2004 request at a resolution below that provided by a |
| 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. | Restrictions on public access due to sensitive species recorded, only available at 20km by 20km resolution |
| 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 (Unpublished 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. | 2013-12-31 |
| 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. | 2025-06-04 |
| 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 |