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Pembrokeshire Marine Special Area of Conservation (SAC) is considered to be one of the best areas in the UK for marine reef habitats, a category within annex 1 of the Habitats Directive. This dataset comprises of the results of re-surveys of the six Milford Haven rocky intertidal transects first established in 2005, and the additional establishment of a similar transect at Nolton Haven in the north of Pembrokeshire. The purpose of this data capture was to repeat a set of six permanent monitoring sites representative of the rocky shore intertidal habitats within the Haven Waterway and last surveyed in 2005 and to present data on the current status of the sites. This data was also used to establish another site outside the Haven to the north at Nolton Haven.
Natural Resources Wales (NRW)
There are no access restrictions to this data. NRW may release, publish or disseminate it freely
| Other details | ||
| Internal code | Internally assigned metadata identifier | 1958 |
| 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. | Intertidal Monitoring of Rocky Reefs in Pembrokeshire Marine Special Area of Conservation (SAC) 2007 |
| Alternative title | The purpose of alternative title is to record any additional names by which the dataset may be known. | 2007 CCW/ASML Pembrokeshire SAC rocky reef monitoring MRCCW1630000000C, Gwaith monitro rhynglanwol ar riffiau creigiog yn ACA Sir Benfro Forol yn 2007 |
| 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. | 4f4c4942-4343-5764-6473-313131313736 |
| Resource Identifier | This is the code assigned by the data owner. | 111176 |
| 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 | 2007-08-13 |
| End date | This describes the date the resource ends. This may only be the year if month and day are not known | 2007-08-17 |
| 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'. | notPlanned |
| Abstract | The abstract provides a clear and brief statement of the content of the resource. | Pembrokeshire Marine Special Area of Conservation (SAC) is considered to be one of the best areas in the UK for marine reef habitats, a category within annex 1 of the Habitats Directive. This dataset comprises of the results of re-surveys of the six Milford Haven rocky intertidal transects first established in 2005, and the additional establishment of a similar transect at Nolton Haven in the north of Pembrokeshire. The purpose of this data capture was to repeat a set of six permanent monitoring sites representative of the rocky shore intertidal habitats within the Haven Waterway and last surveyed in 2005 and to present data on the current status of the sites. This data was also used to establish another site outside the Haven to the north at Nolton Haven. |
| Lineage | Lineage includes the background information, history of the sources of data, data quality statements and methods. | Fieldwork was carried out during five days of spring tides during 2007. A number of techniques used within the survey follow the same methodology as currently used within the MarClim monitoring programme and therefore are comparable to data from other sites around the Welsh coastline. The main surveys conducted were as follows: - Permanent quadrat recording: Relocated the six monitoring sites. At each site records were taken from upper, middle and lower shore heights, with four 1m x 1m quadrats relocated in each zone. Cell counts were made for conspicuous species. - Limpet counts and monitoring: Limpet abundance was recorded from 5 random cells within each quadrat. Up to 200 limpets were systematically selected within the middle zone at each site and the lo ngest basal shell length of each was measured to construct population profiles. - Barnacle abundance: Percentage cover of barnacles was recorded from 5 random cells within each quadrat - Ascophyllum nodosum population structure: 50 Ascophyllum plants were randomly selected from the mid shore zone at Lawrenny Quay. The number of vesicles on the longest unbroken frond of each plant was recorded to provide an estimate of the average age of the plants on the shore. |
| Related keywords | ||
| 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 | Marine Environmental Data and Information Network | |
| Geographical coverage | ||
| North | The northern-most limit of the data resource in decimal degrees | 53.28244 |
| East | The eastern-most limit of the data resource in decimal degrees | -3.97589 |
| South | The southern-most limit of the data resource in decimal degrees | 53.22692 |
| West | The western-most limit of the data resource in decimal degrees | -4.11789 |
| 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 | Natural Resources Wales (NRW) | |
| Phone | 0300 065 3000 | |
| Delivery point | Maes-y-Ffynnon | |
| Postal code | LL57 2DW | |
| Role | The distributor is the person or organisation that distributes the resource. | distributor |
| Organisation name | Natural Resources Wales (NRW) | |
| Phone | 0300 065 3000 | |
| Delivery point | Maes-y-Ffynnon | |
| Postal code | LL57 2DW | |
| 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 | Natural Resources Wales (NRW) | |
| Phone | 0300 065 3000 | |
| Delivery point | Maes-y-Ffynnon | |
| Postal code | LL57 2DW | |
| Role | The originator is the person or organisation who created, collected or produced the resource. | originator |
| Organisation name | Aquatic Survey and Monitoring Ltd (ASML) | |
| Phone | 01388 528 015 | |
| Delivery point | Whitfield Brow | |
| Postal code | DL13 2SZ | |
| Dataset constraints | ||
| 20 Limitations on Public Access - Access constraints | ISO restriction code chosen from ISO 19115-1 Codelist | otherRestrictions |
| 20 Limitations on Public Access – Other constraints | Any restriction on the use of the resource such as the need to agree to certain licence conditions. | There are no access restrictions to this data. NRW may release, publish or disseminate it freely |
| 21 Conditions for Access and Use - Use limitation | Any restrictions imposed on accessing the resource such as the need to agree to certain licence conditions. | © CNC/NRW 2009 There are no use restrictions on this data. Recipients may re-use, reproduce, disseminate this data free of charge in any format or medium, provided they do so accurately, acknowledging both the source and NRW's copyright, and do not use it in a misleading context. It is the recipient's responsibility to ensure the data is fit for the intended purpose, that dissemination or publishing does not result in duplication, and that it is fairly interpreted. Advice on interpretation should be sought where required. To avoid re-using old data, users should periodically obtain the latest version from the original source. |
| Available data formats | ||
| Data format | Format in which digital data can be provided for transfer | Database |
| 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. | 2009-02-28 |
| Date of last revision | The most recent date that the resource was revised. | 2009-02-28 |
| Metadata date | The date when the content of this metadata record was last updated. | 2021-09-01 |
| Metadata standard name | The name of the metadata standard used to create this metadata | MEDIN Discovery Metadata Standard |
| Metadata standard version | The version of the MEDIN Discovery Metadata Standard used to create the metadata record | Version 2.3.8 |
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