Saltmarsh Features of the Severn Estuary 1998

Use of the National Vegetation Classification (NVC) as a basis for community definition in the saltmarsh habitats of the Severn Estuary. The purpose of this data capture was to provide a detailed NVC description of Severn Estuary saltmarsh and an account of distribution and NVC associations of several nationally scarce and one locally scarce species. The survey also provided a preliminary conservation assessment for the Severn Estuary potential Special Area of Conservation (pSAC) and line transects as baseline data for future remote sensing studies.

Identification

Identifier
NRW_DS109882
Metadata Language
English
Lineage

Standard NVC survey methodology. Data collected by trained personnel, digitised by contractors, validated by NRW, corrections made by contractors, validated again by NRW, corrections made in-house in conjunction with relevant salt marsh specialist. NRW commissioned survey which contributes to an NVC Saltmarsh survey collation (see 'part of' field).
Dataset Reference Date (Publication)
1999-03-31
Owner
  Natural Resources Wales (NRW) -
Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales
http://naturalresources.wales/?lang=en
Originator
  Dargie -
Environmental Consultant, Loch Fleet View, Skelbo Street, Dornoch, IV25 3QQ, Scotland
<!__ Nowebsite __!>
 

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
 
 

Distribution

Distribution

Format Type and Description
  • Geographic Information System ( )

    Specification

    GIS products- Vegetation polygons (MapInfo Table) Mosaic information (MapInfo Table) Site Boundaries (MapInfo Table) Survey Boundary (MapInfo Table) Quadrat points (MapInfo Table) Target Note points (MapInfo Table) Vegetation NVC summaries (MapInfo Table)

  • Documents ( )

    Specification

    paper report

 

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

This dataset has not been assessed for conformance to the referenced INSPIRE regulation.
Degree
false
Lineage

Standard NVC survey methodology. Data collected by trained personnel, digitised by contractors, validated by NRW, corrections made by contractors, validated again by NRW, corrections made in-house in conjunction with relevant salt marsh specialist. NRW commissioned survey which contributes to an NVC Saltmarsh survey collation (see 'part of' field).
 

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
  • geographical information systems (GIS)
  • vegetation (see also specific types eg.coastal or heathland vegetation and vegetation surveys)
  • vegetation surveys (vegetation monitoring)(see also biologicalsurveys)
  • National Vegetation Classification (NVC)
  • vegetation classification
  • Severn Estuary (Mor Hafren)
  • saltmarsh (salt-marsh) (salt marsh)
Type
Theme

Citation

Date (Publication)
2025-01-08
Code
geonetwork.thesaurus.local.theme.converted_nrw-keywords

Keywords

SeaDataNet Parameter Discovery Vocabulary
Type
Theme

Citation

Date (Publication)
2024-06-19
Code
geonetwork.thesaurus.external.theme.rdf+xml
 

Spatial Reference System

Code
British National Grid (EPSG::27700)
 

Content

Content Information

NRW Profile

Custom Elements

NRW Related Title

NVC survey of saltmarsh habitat in the Severn Estuary 1998
 

Constraints

Constraints

Limitations on Public Access and Use

Restriction type
Other restrictions
 

Access Constraints Directive

Limitations
no limitations
 

Access Constraints Text

Other constraints

The following data is considered OS derived data and is therefore jointly owned by NRW and the Ordnance Survey. NRW may release, publish or disseminate this data freely; providing recipients are made aware of use restrictions (See general use restrictions).
 

Use Constraints

Use constraints type
Other restrictions
Other constraints

© CNC/NRW and © Crown copyright 1999. All rights reserved. Natural Resources Wales, AC0000849444 Third parties seeking to re-use this data require a Licence issued by NRW. It allows re-use, reproduction and dissemination in any format or medium but only for non-commercial purposes, according to the terms and conditions of the Licence. Those seeking commercial re-use require a commercial licence available from the OS.
 

Attribution Statement

Other constraints

Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved.
 

Licence

Other constraints
Open Government Licence
 
 
 

Metadata

Metadata

File Identifier
4f4c4942-4343-5764-6473-313039383832 XML
Metadata Language
English
Parent Identifier
Phase 2 Saltmarsh Survey of Wales

NRW_DS108800
Resource type
Dataset
Metadata Date
2026-03-03T11:16:34.453Z
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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