Restoration of Native Oyster, Ostrea edulis, in South Wales

Native oyster populations throughout Europe suffered a serious decline in the late 19th and early 20th centuries due predominantly to over fishing and associated habitat loss, but exacerbated by anthropogenic and environmental pressures of pollution, disease and a series of cold winters. Historic accounts place Ostrea edulis at the centre of important local fisheries in South Wales back to the Roman occupation of Britain and describe a fishery supporting 200 vessels landing over 9 million oysters at its peak in the 19th century. Ostrea edulis are found on a wide variety of firm and stable seabed habitats where clean hard surfaces exist for larval settlement but it is likely that more complex habitat forms have historically existed including oyster banks and reefs. The aim of this study was to identify the scope and potential approaches for restoration of native oyster populations and habitats in South Wales. The associated report describes the options for practical approaches for restoration of the native oyster in its natural habitat in South Wales to meet UK and Welsh Biodiversity Action Plan (BAP) targets for recovery.

Identification

Identifier
NRW_DS114452
Alternative Title
  • Adfer yr wystrysen Ostrea edulis yn Ne Cymru: Dewisiadau a Dulliau / Restoration of Native Oyster, Ostrea edulis, in South Wales: Options and Approaches
Metadata Language
English
Lineage

Review of biological and ecological factors, and mapping of the physical environmental factors combined with a review of historical and current documentation and consultation with local fishermen. Historical records date back to the late 1800's. Newer records are as recent as 2010. Reference dates for each bed are included within the data. A wide variety of data sources were utilised but an assessment of confidence was made for each location.
Dataset Reference Date (Publication)
2011-03-16
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

Extent

Geographic Extent
Wales (WLS)
N
W
E
S
Map representing the geographic extent of the dataset


 

Vertical Extent

Medin Extent Keyword
benthic boundary layer

Vertical Extent

Minimum value (metres)
-2
Maximum value (metres)
-41
Vertical CRS
 
 

Distribution

Format Type and Description
  • Documents ()

    Specification

    [A] The final report in Microsoft Word and Adobe PDF. [B] A series of MapInfo GIS layers and 1 workspace on which the maps and text in the report are based. [C] Oyster literature, including referenced material.

 

Quality

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

Review of biological and ecological factors, and mapping of the physical environmental factors combined with a review of historical and current documentation and consultation with local fishermen. Historical records date back to the late 1800's. Newer records are as recent as 2010. Reference dates for each bed are included within the data. A wide variety of data sources were utilised but an assessment of confidence was made for each location.
 

Keywords

Keywords

GEMET - INSPIRE themes, version 1.0
Type
Theme

Citation

Date (Publication)
2008-06-01
Code
geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme

Keywords

NRW Thesaurus
  • native oyster
  • ostrea edulis
  • Swansea Bay
  • Milford Haven
  • habitat restoration
Type
Theme

Citation

Date (Publication)
2023-12-31
Code
geonetwork.thesaurus.local.theme.converted_nrw-keywords

Keywords

SeaDataNet Parameter Discovery Vocabulary
  • Habitat extent
Type
Theme

Citation

Date (Revision)
2021-01-06
Code
geonetwork.thesaurus.external.theme.rdf+xml
 

Spatial Reference System

Code
Latitude and Longitude (EPSG::4326)
 

Content

Content Information

NRW Profile

Custom Elements

NRW Related Title

Restoration of native oyster, ostrea edulis in south Wales : options and approaches
 

Constraints

Constraints

Limitations on Public Access and Use

Restriction type
Other restrictions
 

Access Constraints Directive

Limitations
no limitations
 

Access Constraints Text

Other constraints

Part of this dataset is sensitive and restricted. The sensitive data is as follows; the location of native oyster beds. Sensitive data must be kept confidential; general release is not permitted due to risk of harm to the environment or third parties. Sensitive data may only be released under an appropriate NRW Licence. Requests should be referred to NRW's Access to Information Officer. Data may be released freely if the sensitive records are removed in advance, or shown only at a coarser scale. Data may be released freely if the sensitive records are removed in advance, or shown only at a coarser scale.
 

Use Constraints

Use constraints type
Other restrictions
Other constraints

© CNC/NRW, 2011. Recipients may only re-use sensitive data in strict confidence under the terms of an appropriate NRW Licence. No publication or dissemination is permitted, except if sensitive records are removed in advance, or shown only at a coarser scale.
 
 
 

Metadata

Metadata

File Identifier
4f4c4942-4343-5764-6473-313134343532 XML
Metadata Language
English
Resource type
Dataset
Metadata Date
2024-12-09T12:31:04.011Z
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

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