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Metadata: 2024 Marine Natural Capital and Ecosystem Assessment programme (mNCEA) St Kilda survey: Grab sample data
Abstract:
The Joint Nature Conservation Committee (JNCC), in collaboration with the Agri-Food and Biosciences Institute (AFBI), conducted an offshore seabed survey on the Scottish Continental Shelf (OSPAR Region III - Celtic Seas) in September / October 2024, under the marine Natural Capital and Ecosystems Assessment (mNCEA) programme, Sites south of St Kilda, Stanton banks MPA and South Rigg MPA were sampled using 0.1m2 Day grab to collect infauna and particle size analysis (PSA) samples. The grab data has been analysed for infauna and PSA and is undergoing QA/QC. This data will be made available via the DASSH and BGS data archive centres in due course.
Data holder:
Joint Nature Conservation Committee, Peterborough Office
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| Other details | ||
| Internal code | Internally assigned metadata identifier | 11404 |
| 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. | 2024 Marine Natural Capital and Ecosystem Assessment programme (mNCEA) St Kilda survey: Grab sample data |
| Alternative title | The purpose of alternative title is to record any additional names by which the dataset may be known. | COR0924 |
| 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. | 63604f65-0134-410e-934a-419bc007eacc |
| Resource Identifier | This is the code assigned by the data owner. | COR0924 |
| 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 | 2024-09-27 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2024-10-11 |
| Spatial resolution | This describes the spatial resolution of the dataset or the spatial limitations of the service. | inapplicable |
| 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'. | unknown |
| Abstract | The abstract provides a clear and brief statement of the content of the resource. | The Joint Nature Conservation Committee (JNCC), in collaboration with the Agri-Food and Biosciences Institute (AFBI), conducted an offshore seabed survey on the Scottish Continental Shelf (OSPAR Region III - Celtic Seas) in September / October 2024, under the marine Natural Capital and Ecosystems Assessment (mNCEA) programme, Sites south of St Kilda, Stanton banks MPA and South Rigg MPA were sampled using 0.1m2 Day grab to collect infauna and particle size analysis (PSA) samples. The grab data has been analysed for infauna and PSA and is undergoing QA/QC. This data will be made available via the DASSH and BGS data archive centres in due course. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | A single 0.1 m2 Day grab was collected from each survey station, following guidance in Section 7.2 of the monitoring guidance for marine benthic habitats (Noble James et al., 2018). Up to three attempts, where the grab fired correctly, were made at each station. If a successful grab was not acquired after three attempts, the station was abandoned. Each grab was used to collect an infauna sample and a sediment sub-sample for Particle Size Analysis (PSA). PSA sub-sample: NMBAQC guidelines (Mason, 2016) were followed for acquiring a PSA sub-sample. It should be noted that separate grabs for PSA and infauna were not collected. Once the grab was recovered the viewing door was opened, a visual sediment description was recorded, and a photograph of the sediment surface within the grab was taken. The depth of the sediment in the grab was measured with a stainless-steel ruler and rejected if less than 5 cm. Samples suffering from washout or unequal bite were also rejected. To collect the sub-sample, a scoop was inserted vertically into the sediment as far as the grab base and rotated to create a core-like plug. A minimum on 100 ml of sediment was retained for the sub-sample. Any large/conspicuous (>2 cm) live marine fauna were removed from the PSA sub sample, but shell debris were left. All PSA sample containers were labelled internally and externally. The samples were stored in a freezer. Infauna sample: The grab was emptied and washed into a fish box with seawater and a photograph was taken. The volume of the sample was measured and recorded to the nearest 0.5 L. A minimum size of 4 L was preferred, however the sample with the greatest volume was kept if a 4 L sample was not acquired after three attempts. The infauna sample was passed through a 1 mm sieve. A photograph was taken of everything retained on the sieve. The sieve was then decanted into a sample pot, the mesh picked through with forceps, and the sample fixed in buffered 4% formaldehyde solution. All sample pots were labelled internally and externally. PSA (half phi) analysis was undertaken by Kenneth Pye Associates Ltd. External QA of the Particle Size analysis complied with NMBAQC guidelines for completing analysis for biological reasons. Additionally the internal Particle Size analysis QA consisted of a 5% reanalysis of the processed samples, in line with the NMBAQC Own Sample scheme. Infaunal analysis was completed by Thomson Environmental Consultants and included abundance and biomass enumeration. External QA of the infaunal taxonomic analysis followed the Own Sample NMBAQC Processing Requirement Protocol and Taxonomic Discrimination Protocol |
| 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 | Protected sites | |
| 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 | Sediment grain size parameters | |
| 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 | 57.740378 |
| East | The eastern-most limit of the data resource in decimal degrees | -4.860839 |
| South | The southern-most limit of the data resource in decimal degrees | 54.25098 |
| West | The western-most limit of the data resource in decimal degrees | -8.9 |
| Regional sea | Irish Sea | |
| Minches and Western Scotland | ||
| Scottish Continental Shelf | ||
| VIa | ||
| VIIa | ||
| 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 | Joint Nature Conservation Committee, Peterborough Office | |
| Individual name | Marine Data JNCC | |
| marinedata@jncc.gov.uk | ||
| Role | The owner is the person or organisation that owns the resource. | owner |
| Organisation name | Department for Environment, Food and Rural Affairs | |
| helpline@defra.gsi.gov.uk | ||
| 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 | Joint Nature Conservation Committee, Peterborough Office | |
| Individual name | Marine Data JNCC | |
| Position name | Data manager | |
| marinedata@jncc.gov.uk | ||
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | Joint Nature Conservation Committee, Peterborough Office | |
| Individual name | Marine Data JNCC | |
| Position name | Data manager | |
| marinedata@jncc.gov.uk | ||
| Role | The distributor is the person or organisation that distributes the resource. | distributor |
| Organisation name | Joint Nature Conservation Committee, Peterborough Office | |
| Individual name | Marine Data JNCC | |
| Position name | Data manager | |
| marinedata@jncc.gov.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 | Data is made available under Open Government Licence v3 (https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/) | |
| 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. | Data is freely available provided appropriate attribution statements are used to acknowledge the data providers in onward publications. |
| Available data formats | ||
| Data format | Format in which digital data can be provided for transfer | Delimited |
| 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. | 2025-07-29 |
| 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. | 2025-07-29 |
| 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 | 52991d36-eb97-436a-a1c5-70e44253b144 | |