Benthic Ecology of Carmarthen Bay (1998)

The 1979 European Commission Directive (79/409 EEC) on the Conservation of Wild Birds requires Member States to notify the Commission of Special Protection Areas (SPAs) that are of particular importance to the conservation of wild birds. For some time there had been an increasing body of evidence that Carmarthen Bay was an important site in Britain for wintering common scoters (Melanitta nigra), one of the species protected by the ‘Birds Directive’. Project was stimulated by concern for the Carmarthen Bay macrofaunal communities, on which the wintering population of the Common scoter depend, following the Sea Empress oil spill of February 1996. This dataset contains the results of a project on the benthic ecology of Carmarthen Bay undertaken by Andrew Woolmer as part of his PhD to investigate the benthos and Scoter populations of Carmarthen Bay. The purpose of this data capture was to describe quantitatively the distribution of the macrofaunal communities in Carmarthen Bay to provide accurate baseline data, and to assess the distribution and density of potential prey species of Common scoter in an internationally important over- wintering site. The project comprised of four main areas of study: 1) Macrofaunal communities of Carmarthen Bay 2) Growth, abundance and spatial models of the Tellinacean bivalve Fabulina fibula 3) Macrofaunal response groups: a multivariate method for isolating indicator species along environmental gradients 4) Temporal variability, structural redundance, and the long term persistence of the Carmarthen Bay Tellina Community

Identifier: NRW_DS111141

Alternative Title

1998 - CCW Carmarthen Bay Infaunal/Scoter Survey MRCCW30000000004
Ecoleg benthig Bae Caerfyrddin (1998)

Metadata Language: English

Lineage: The baseline survey of Carmarthen Bay was carried out from 1 - 3 June 1998 using the Bangor University Research Vessel (RV) Prince Madog. This stratified survey consisted of 29 quantitative and 31 qualitative grab stations. The quantitative grabs allow the accurate description of community type and composition. The qualitative grabs were taken to identify boundaries between communities and enable more accurate interpolation between them in the construction of a community map. A further eight qualitative beam trawls were taken to assess populations of large epifauna. Sampling methods and procedures described here ensure the specimens obtained are in the best possible condition, a prerequisite for precise identification and enumeration.

Dataset Reference Date (Publication): 2003-10-31

Temporal Extent

Begin date: 1998-06-01

End date: 1998-06-03

Topic category

Biota

Owner

Woolmer

c/o Salacia-Marine, 91 New Road, Ynysmeudwy, Castell-Nedd Port Talbot, SA8 4PP, Wales

http://www.salacia-marine.co.uk/

Owner

Natural Resources Wales (NRW)

Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales

http://naturalresources.wales/?lang=en

Originator

Woolmer

c/o Salacia-Marine, 91 New Road, Ynysmeudwy, Castell-Nedd Port Talbot, SA8 4PP, Wales

http://www.salacia-marine.co.uk/

Extent

Geographic Extent: Wales (WLS)

Vertical Extent

Medin Extent Keyword: benthic boundary layer; soil and sediment

Format Type and Description

Database ()

Specification

[A] The data collected are presented in the report (see 'related titles' above) [B] Species and biotope data collected from sediment analysis are also stored in Marine Recorder (Survey number:MRCCW30000000004)

Data quality

Quality Scope: Dataset

Conformity: Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
Explanation
Degree: false

Lineage: The baseline survey of Carmarthen Bay was carried out from 1 - 3 June 1998 using the Bangor University Research Vessel (RV) Prince Madog. This stratified survey consisted of 29 quantitative and 31 qualitative grab stations. The quantitative grabs allow the accurate description of community type and composition. The qualitative grabs were taken to identify boundaries between communities and enable more accurate interpolation between them in the construction of a community map. A further eight qualitative beam trawls were taken to assess populations of large epifauna. Sampling methods and procedures described here ensure the specimens obtained are in the best possible condition, a prerequisite for precise identification and enumeration.

Keywords

GEMET - INSPIRE themes, version 1.0

Species distribution

Type: Theme

Citation

Date (Publication): 2008-06-01

Code: geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme

Keywords

NRW Thesaurus

common scoter (black scoter)
melanitta nigra
macrofauna
benthic species
Carmarthen Bay

Type: Theme

Citation

Date (Publication): 2023-12-31

Code: geonetwork.thesaurus.local.theme.converted_nrw-keywords

Keywords

SeaDataNet Parameter Discovery Vocabulary

Zoobenthos taxonomic abundance
Zoobenthos generic abundance
Zoobenthos taxonomy-related counts

Type: Theme

Citation

Date (Revision): 2021-01-06

Code: geonetwork.thesaurus.external.theme.rdf+xml

Code: Latitude and Longitude (EPSG::4326)

Content Information

NRW Profile

Custom Elements

NRW Related Title: The benthic ecology of Carmarthen Bay

Constraints

Limitations on Public Access and Use

Restriction type: Other restrictions

Access Constraints Directive

Limitations: no limitations

Access Constraints Text

Other constraints: This data is jointly owned by NRW and A.P. Woolmer. There are no access restrictions to this data. NRW may release, publish or disseminate it freely.

Use Constraints

Use constraints type: Other restrictions

Other constraints: © CNC/NRW and A.P. Woolmer. 2003 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 the copyright of NRW/A.P. Woolmer. 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.

Metadata

File Identifier: 4f4c4942-4343-5764-6473-313131313431 XML

Metadata Language: English

Parent Identifier: Natural Resources Wales (NRW) Marine Benthic Species and Habitat Collation Held in Marine Recorder
NRW_DS114501

Resource type: Dataset

Metadata Date: 2024-05-31T09:37:25.14Z

Metadata Standard Name: NRW

Metadata Standard Version: 1.0

pointOfContact

Natural Resources Wales (NRW)

Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales

http://naturalresources.wales/?lang=en

Publishing Body

Access the portal

Full access to the portal and metadata.

Benthic Ecology of Carmarthen Bay (1998)

Identification

Temporal Extent

Extent

Extent

Vertical Extent

Distribution

Quality

Data quality

Keywords

Keywords

Citation

Keywords

Citation

Keywords

Citation

Spatial Reference System

Content

Content Information

NRW Profile

Custom Elements

Constraints

Constraints

Limitations on Public Access and Use

Access Constraints Directive

Access Constraints Text

Use Constraints

Metadata

Metadata

Publishing Body