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Metadata: 2000 Scottish Natural Heritage (SNH) Loch Crinan macrobenthic intertidal survey
Abstract:
An intertidal macrobenthic survey of the intertidal sediments of Loch Crinan was carried out on 16th June 2000 to acquire data on faunal assemblages present. The objective of the work was to add data to the Marine Nature Conservation Review (MNCR) database for a location not previously sampled and to inform further development of the classification of intertidal sediments in the UK. Four sites were sampled, each with three stations, strategically located to cover the full tidal range and conspicuous differences in habitat character. These sites were surveyed using standard MNCR methodologies. Both the macrobenthos and granulometry were sampled for subsequent laboratory analysis. A photographic record of each station was also made during the survey phase.
Data holder:
NatureScot (HQ Inverness)
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| Other details | ||
| Internal code | Internally assigned metadata identifier | 11637 |
| 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. | 2000 Scottish Natural Heritage (SNH) Loch Crinan macrobenthic intertidal 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. | f3feadc9-c064-4e7a-b45d-626c08f6ad94 |
| Resource Identifier | This is the code assigned by the data owner. | GB-SCT-SNH-ME-000060-MRSNH00100000006-CRIN |
| 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 | 2000-06-16 |
| 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. | An intertidal macrobenthic survey of the intertidal sediments of Loch Crinan was carried out on 16th June 2000 to acquire data on faunal assemblages present. The objective of the work was to add data to the Marine Nature Conservation Review (MNCR) database for a location not previously sampled and to inform further development of the classification of intertidal sediments in the UK. Four sites were sampled, each with three stations, strategically located to cover the full tidal range and conspicuous differences in habitat character. These sites were surveyed using standard MNCR methodologies. Both the macrobenthos and granulometry were sampled for subsequent laboratory analysis. A photographic record of each station was also made during the survey phase. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | At each site, sampling stations were located at upper, middle and lower shore positions with particular reference to visible differences in biotope, if notable (such as Zostera beds adjacent to Arenicola colonised sandflats) or at least where minor physical differences were observed (such as wet sand adjacent to drained sand patches). Each sample station consisted of an area of some 10m2 or more (as appropriate) from which observations were made, photographs taken and samples collected. It was ensured that stations were located within main habitat areas and not transitional reaches between habitats. Field notes, using MNCR recording forms, recorded the following: location details, survey details (personnel, date, methodology), topographical and physical features (with positions noted by land mark bearings), biotopes and species details, and epibiota (using the SACFOR scale of abundance). Sampling consisted of, for the smaller infauna, the combination of eight cores (10.3cm diameter) with a core penetration to 20cm where practicable. Cores were gently washed, by puddling in adjacent water, using a 0.5mm mesh sieve. Retained material was fixed in 4% formalin. Photographs were taken at each station to illustrate the station character, its locality and provide images suitable for relocating station positions. In order to identify the presence of larger macrofauna, unlikely to be present in core samples, a single 1.0m2 area was dug over to a depth of 30cm. Any large macrofauna this exposed and recorded. Samples for sediment granulometry were collected at each station. The sample was collected with the intention of being representative of the upper 15cm, where practicable. Where shallower depths were sampled for the macrofauna, this was mirrored in the depth of sampling for the grain size analysis. Grain size analyses were completed on 29 samples and the method applied complied with the appropriate British Standard (BS1377, 1990). Samples were dried then sieved through a geometric stack of brass sieves (i.e. 200mm, 75mm, 37.5mm down to 0.150mm and 0.063mm). Proportions retained from each mesh size were determined by weight and have been reported as a percentage of the total. Particle size fractions were defined as follows: cobbles more than 60mm, coarse gravel 20-60mm, medium gravel 6-20mm, fine gravel 2-6mm, coarse sand 0.6-2mm, medium sand 0.2-0.063mm and silt and clay less than 0.063mm. Macrofauna was separated from sample sediment after being fixed in 4% formaldehyde solution by a combination of elutriation and manual picking. To aid the sorting process, a white tray was used to view the sample which was maintained under water to aid faunal separation. Identification of specimens was achieved with the aid of dissecting and compound microscopes as necessary and with reference to the identification keys widely regarded as the standard ones to use. Nomenclature has followed the MCS species directory (Howson and Picton, 1997) though at least one of the names, Hediste diversicolor, is in dispute being regarded as a synonym of Nereis by some authorities (e.g. Chambers and Garwood, 1992). |
| Additional information | This describes relevant references to the data e.g. reports, articles, websites plus other useful information not captured elsewhere. | Cordah BMT Ltd (2000) Intertidal survey of Loch Crinan cSAC Scottish Natural Heritage Commissioned Report F00PA46 (Unpublished report). |
| 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 | Geology | |
| 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 | Macroalgae and seagrass taxonomy-related counts | |
| 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 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 | 56.116466986937 |
| East | The eastern-most limit of the data resource in decimal degrees | -5.5103302001953 |
| South | The southern-most limit of the data resource in decimal degrees | 56.071268961594 |
| West | The western-most limit of the data resource in decimal degrees | -5.5913543701172 |
| Regional sea | Minches and Western Scotland | |
| 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 | BMT Cordah | |
| Position name | Data Manager | |
| Phone | +44 (0) 1224 414 200 | |
| enquiries@bmtcordah.com | ||
| 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 | no restrictions to public access | |
| 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. | Not for navigational use; SNH copyright data which is available for re-use under government licence terms: http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ |
| 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) | |
| 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. | 2003-02-18 |
| 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. | 2025-06-11 |
| 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 |