Macrofaunal Community Monitoring on Inlets across Wales
Large shallow inlets and bays are habitat complexes which comprise an interdependent mosaic of subtidal and intertidal habitats. Several of these habitat types (1140 Mudflats and sandflats not covered by sea water at low tide, 1110 Sandbanks which are slightly covered by sea water all the time and 1170 Reefs) are listed as Annex I habitats in their own right. In Wales inlets occur in a number of Special Areas of Conservation (SACs). This includes Carmarthen Bay and Estuary SAC which is located off the south Wales, Pembrokeshire Marine SAC which is located around Pembrokeshire, south Wales; and Pen Llyn a’r Sarnau SAC which is located on the south side of the Llyn Peninsula north-west Wales. The purpose of this data capture was to examine the indication of anthropogenic change on macro-faunal communities around shallow inlets and bays. This dataset comprises of infaunal species counts, sediment grain size and chemical compositions.
- Identification
- Extent
- Distribution
- Quality
- Keywords
- Spatial Reference System
- Content
- Constraints
- Maintenance
- Metadata
Identification
- Identifier
- NRW_DS116512
- Alternative Title
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- An analysis of the Macro Benthic Community between 2007 and 2012
- Metadata Language
- English
- Lineage
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Quantitative sediment sampling was undertaken at within the Milford Haven and Three Rivers inlets using a using a 0.1 m2 Day Grab. Five replicates grabs were taken at each station for macro faunal sampling; at the majority of locations sediment was sampled directly from the grab used to sample macro fauna with a core. Also a separate grab was taken to sample the sediment Chemistry. Metals were sampled with a plastic scoop and plastic container, whereas Organics were sampled with a metal scoop and acid washed glass container.
- Dataset Reference Date (Publication)
- 2016-03-31
Extent
Extent
- Geographic Extent
- Wales (WLS)
))
Vertical Extent
- Medin Extent Keyword
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benthic boundary layer
Distribution
- Format Type and Description
-
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Database
()
- Specification
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Species data held in Marine Recorder
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Database
()
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
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This dataset has not been assessed for conformance to the referenced INSPIRE regulation.
- Degree
- false
- Lineage
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Quantitative sediment sampling was undertaken at within the Milford Haven and Three Rivers inlets using a using a 0.1 m2 Day Grab. Five replicates grabs were taken at each station for macro faunal sampling; at the majority of locations sediment was sampled directly from the grab used to sample macro fauna with a core. Also a separate grab was taken to sample the sediment Chemistry. Metals were sampled with a plastic scoop and plastic container, whereas Organics were sampled with a metal scoop and acid washed glass container.
Keywords
Keywords
- Type
- Theme
Citation
- Date (Publication)
- 2008-06-01
Keywords
- NRW Thesaurus
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- biological monitoring
- biological surveys
- coastal inlets
- inlets
- chemical analysis
- sediment infauna
- Type
- Theme
Citation
- Date (Publication)
- 2023-12-31
Keywords
- Type
- Theme
Citation
- Date (Revision)
- 2021-01-06
Spatial Reference System
Content
Content Information
NRW Profile
Custom Elements
Constraints
Constraints
Limitations on Public Access and Use
- Restriction type
- Other restrictions
Access Constraints Directive
- Limitations
- no limitations
Access Constraints Text
- Other constraints
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There are no access restrictions on this data. NRW may release, publish or disseminate it freely.
Use Constraints
- Use constraints type
- Other restrictions
- Other constraints
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© CNC/NRW Data may be re-used under the terms of the Open Government Licence providing it is done so, acknowledging both the source and NRW's copyright. It is the recipient's responsibility to ensure the data is fit for the intended purpose.
Metadata
Metadata
- File Identifier
- 4f4c4942-4343-5764-6473-313136353132 XML
- Metadata Language
- English
- Parent Identifier
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Natural Resources Wales (NRW) Marine Benthic Species and Habitat Collation Held in Marine Recorder
NRW_DS114501
- Resource type
- Dataset
- Metadata Date
- 2026-03-03T12:01:18.843Z
- Metadata Standard Name
- NRW
- Metadata Standard Version
-
1.0