A survey of calaminarian grassland in Mid-Wales

  • English
  • wel
  • All

The aims of this project were to refine guidance on calaminarian habitat definition for mid-Wales, and to provide data and information on the extent of the different forms. The purpose of this data capture was to assess calaminarian grassland habitat types, condition and extent for each site, and to gather information on the distribution and frequency of metallophytes and other notable species. This was done by detailed survey of the plants and lichens of the calaminarian grasslands on 27 abandoned mine sites in mid-Wales, 26 in Ceredigion and 1 in Montgomeryshire, with mapping of the compartments in GIS. A wide variation in the character of calaminarian habitat was observed, including grass-dominated examples, metallophyte-rich heathland and largely-bare highly-contaminated land. Some of the vegetation was considered distinctive in both a British and European context. A total of 90 vascular plants, 38 bryophytes, 227 lichens and 15 lichenicolous fungi were recorded, including many species of conservation concern. Categories of calaminarian habitat types in mid Wales are presented, to facilitate future mapping of the habitat.

Identification

Dynodydd
Identifier
NRW_DS116527
Teitl Amgen
Alternative Title
  • Mapio glaswelltir calaminaraidd yng Nghanolbarth Cymru (2014)
Laith Metadata
Metadata Language
English
Lineage

Vegetation compartments (including rock and bare ground) were mapped on site by walkover survey, using a satellite image to identify boundaries. Those that appeared to have been influenced by heavy metals were surveyed for all vascular plant, lichen and bryophyte taxa by recording those present in three representative areas of each compartment, supplemented by a more thorough search for metallophytes and other taxa indicative of habitat quality. Abundance was recorded using the DAFOR scale.
Additional Information

Survey of calaminarian grassland in mid-Wales March 2016 NRW Evidence report 061.
Dyddiad cyfeirnod y set ddata (Cyhoeddiad)
Dataset Reference Date (Publication)
2016-03-30
Perchennog
Owner
  Natural Resources Wales (NRW)
Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales
http://naturalresources.wales/?lang=en
Cychwynnwr
Originator
  Simkin
41 North Road, Ponteland, Newcastle upon Tyne, NE20 9UN
<!-- No web site -->
 

Extent

Extent

Hyd
Geographic Extent
Montgomeryshire (47)
Hyd
Geographic Extent
SIR CEREDIGION - CEREDIGION
N
W
E
S
Map representing the geographic extent of the dataset


 
 

Distribution

Fformat - Math a Disgrifiad
Format Type and Description
  • Documents ()

    Specification

    [A] ArcGIS layers [B] Excel spreadsheets: Lichen records are held in the British Lichen Society database and will be available on the NBN Gateway by autumn 2016.

 

Quality

Ansawdd Data
Data quality

Cwmpas Ansawdd
Quality Scope
Dataset
Dataset
Cydymffurfiad
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

Vegetation compartments (including rock and bare ground) were mapped on site by walkover survey, using a satellite image to identify boundaries. Those that appeared to have been influenced by heavy metals were surveyed for all vascular plant, lichen and bryophyte taxa by recording those present in three representative areas of each compartment, supplemented by a more thorough search for metallophytes and other taxa indicative of habitat quality. Abundance was recorded using the DAFOR scale.
 

Keywords

Allweddair
Keywords

GEMET - INSPIRE themes, version 1.0
Math
Type
Theme
Theme

Dyfyniad
Citation

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

Allweddair
Keywords

NRW Thesaurus
  • Site of Special Scientific Interest (SSSI)
  • lichens
  • lead mining
Math
Type
Theme
Theme

Dyfyniad
Citation

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

Spatial Reference System

Code
British National Grid (EPSG::27700)
 

Content

Gwybodaeth Cynnwys
Content Information

Proffil CNC
NRW Profile

Elfennau CNC
Custom Elements

NRW Related Title

A survey of calaminarian grassland in mid-Wales - CONFIDENTIAL
 

Constraints

Constraints

Limitations on Public Access and Use

Math o Gyfyngiad
Restriction type
Other restrictions
Other restrictions
 

Access Constraints Directive

Limitations
no limitations
 

Access Constraints Text

Other constraints

There are no access restrictions on this data. NRW may release, publish or disseminate it freely.
 

Use Constraints

Cyfyngiadau Defnyddio
Use constraints type
Other restrictions
Other restrictions
Other constraints

© 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

Dynodydd Ffeil
File Identifier
4f4c4942-4343-5764-6473-313136353237 XML
Laith Metadata
Metadata Language
English
Math o adnodd
Resource type
Dataset
Dataset
Dyddiad Metadata
Metadata Date
2025-03-07T17:31:24.565Z
Enw Safonol Metadata
Metadata Standard Name
NRW
Fersiwn Metadata
Metadata Standard Version

1.0

Pwynt Cyswllt
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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