Cyfnod 2 Arolwg o Laswelltir yr Iseldir yng Nghymru
Roedd y prosiect hwn yn cynnwys arolwg manwl o gymunedau planhigion yn llystyfiant glaswelltir rhannol naturiol yr iseldir ledled Cymru. Diben casglu'r data hwn oedd nodi llystyfiant glaswelltir rhannol naturiol iseldir Cymru a darparu asesiad cadwraeth systematig o'r safleoedd a arolygwyd. Mae'r setiau data a gynhyrchwyd yn sgil y prosiect hwn wedi'u cadarnhau a'u dilysu'n drwyadl. Fodd bynnag, prif gyfyngiad y setiau data hyn yw eu hoedran. Gall cyfansoddiad cynefinoedd newid dros amser o ganlyniad i dueddiadau olynol, triniaethau amaethyddol neu hyd yn oed ddatblygiadau arfaethedig, sy'n golygu nad oes unrhyw sicrwydd bod y setiau data hyn yn parhau i gynrychioli'r hyn sydd ar y tir heddiw.
Cydnabyddiaeth
Yn cynnwys gwybodaeth Cyfoeth Naturiol Cymru © Cyfoeth Naturiol Cymru a Hawl Cronfa Ddata. Cedwir pob hawl. Yn cynnwys data Arolwg Ordnans. Rhif Trwydded Arolwg Ordnans AC0000849444. Hawlfraint y Goron a Hawl Cronfa Ddata.
- Dull adnabod
- Rhychwant
- Dosbarthiad
- Ansawdd
- Allweddeiriau
- System Cyfeirio Gofodol
- Cynnwys
- Cyfyngiadau
- Cynnal a chadw
- Metadata
Dull adnabod
- Dynodydd
- NRW_DS46160
- Laith Metadata
- English
- Datganiad
-
The sites identified for survey were identified mainly from the Phase 1 Habitat Survey. The areas surveyed included all forms of semi-natural neutral, acidic and calcareous grassland in lowland Wales, as well as wetter Molinia (purple-moor grass) and Juncus (rush) pasture communities and associated soligenous mires. Community definition follows the National Vegetation Classification (NVC). At each site, homogeneous stands of vegetation were identified, sampled with 2 x 2 m quadrats and mapped onto Ordnance Survey base maps or aerial photographs at a 1:5000 scale.
- Gwybodaeth ychwanegol
-
This dataset is compiled of numerous GIS layers, images and species datasets. This dataset is one of a series of major Phase 2 lowland habitat surveys including Countryside Council for Wales (CCW) in house and commissioned surveys covering peatland, heathland, woodland and saltmarsh.
- Dyddiad cyfeirnod y set ddata (Cyhoeddiad)
- 2024-02-12
Ystod amser
- Dyddiad cychwyn
- 1987-04-01
- Dyddiad gorffen
- 2023-06-14
- Categori pwnc
-
- Biota
- Environment
Rhychwant
Rhychwant
- Hyd
- Wales (WLS)
))
Dosbarthiad
Dosbarthiad
- Fformat - Math a Disgrifiad
-
-
Documents
(
Unknown
)
- Math
-
[A] Summary report for each Area of Search (two sub-divided to make 14 when completed) available on paper or digitally (MS Word). Reports include an appendix containing quadrat data on paper or CD. [B] Site records held digitally on the 'Grasslands' copy of Recorder 6 database.Records include species records and Domin values from quadrats and summary of vegetation. (Previously this data was held in a Paradox database). [C] Spatial information (polygon and point data) held digitally in 5 MapInfo layers/tables: Site boundaries; vegetation polygons (with linked to non-geographic table of mosaics); location of quadrats; location of photos; location and details of target notes. Also hand-drawn habitat map of each site held on paper in 'site pack'. [D] Site pack containing site details, names and addresses of landowners; NVC assessment; site description; quadrat data. Held as paper copy and digitally in MS Word and Excel/Quattro Pro (quadrat data). [E] Site photographs held as hard copies only. A small batch is available as uncompressed files on DVD as jpgs
-
Documents
(
Unknown
)
- Lleolwr Adnoddau
- Download Data & Web Services ( WWW:LINK-1.0-http--link )
- Lleolwr Adnoddau
- Web Mapping Service ( OGC:WMS )
Ansawdd
Ansawdd Data
- Cwmpas Ansawdd
- Dataset
- Datganiad
-
The sites identified for survey were identified mainly from the Phase 1 Habitat Survey. The areas surveyed included all forms of semi-natural neutral, acidic and calcareous grassland in lowland Wales, as well as wetter Molinia (purple-moor grass) and Juncus (rush) pasture communities and associated soligenous mires. Community definition follows the National Vegetation Classification (NVC). At each site, homogeneous stands of vegetation were identified, sampled with 2 x 2 m quadrats and mapped onto Ordnance Survey base maps or aerial photographs at a 1:5000 scale.
Allweddeiriau
Allweddair
- Math
- Theme
Dyfyniad
- Dyddiad (Cyhoeddiad)
- 2008-06-01
Allweddair
-
NRW Thesaurus
-
- lowlands
- vegetation classification
- species inventory
- habitat surveys (habitat monitoring)
- geographical information systems (GIS)
- National Vegetation Classification (NVC)
- vegetation surveys (vegetation monitoring)(see also biologicalsurveys)
- vegetation (see also specific types eg.coastal or heathland vegetation and vegetation surveys)
- habitat classification
- plant communities
- Phase 2 Survey (Phase II)
- lowland grassland
- Math
- Theme
Dyfyniad
- Dyddiad (Cyhoeddiad)
- 2024-06-19
Allweddair
-
NRW SMNR Keywords
-
- Management Areas (SMNR)
- Sustainable Management of Natural Resources (SMNR)
- Soils (SMNR)
- Animals, Plants and Other Organisms (SMNR)
- Soil and Land (SMNR)
- Ecosystem (SMNR)
- Natural Resources (Incl. Features and Processes) (SMNR)
- Semi-natural Grasslands (SMNR)
- Math
- Theme
Dyfyniad
- Dyddiad (Cyhoeddiad)
- 2024-06-26
System Cyfeirio Gofodol
Cynnwys
Gwybodaeth Cynnwys
Proffil CNC
Elfennau CNC
Cyfyngiadau
Cyfyngiadau
Cyfyngiadau ar Fynediad a Defnydd Cyhoeddus
- Math o Gyfyngiad
- Other restrictions
Cyfarwyddeb Cyfyngiadau Mynediad
- Cyfyngiadau
- no limitations
Testun cyfyngiadau mynediad
- Cyfyngiadau eraill
-
There are no access restrictions on this data. NRW may release, publish or disseminate it freely.
Defnyddiwch gyfyngiadau
- Cyfyngiadau Defnyddio
- Other restrictions
- Cyfyngiadau eraill
-
© CNC/NRW All rights Reserved. Contains Ordnance Survey Data. Ordnance Survey Licence number AC0000849444. Crown Copyright and Database Right. Data may be re-used under the terms of the Open Government Licence providing it is done so, acknowledging both the source and copyright of the owners. It is the recipient's responsibility to ensure the data is fit for the intended purpose.
Datganiad Priodoli
- Cyfyngiadau eraill
-
Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Contains Ordnance Survey Data. Ordnance Survey Licence number AC0000849444. Crown Copyright and Database Right
Math o Drwydded
- Cyfyngiadau eraill
- Open Government Licence
Metadata
Metadata
- Dynodydd Ffeil
- 4f4c4942-4343-5764-6473-3436313630 XML
- Laith Metadata
- English
- Dynodydd Rhiant
-
Natural Resources Wales (NRW) Species Data on the NBN Atlas
NRW_DS116805
- Math o adnodd
- Dataset
- Dyddiad Metadata
- 2024-09-19T11:04:15.81Z
- Enw Safonol Metadata
- NRW
- Fersiwn Metadata
-
1.0