Modelled Distributions and Abundance of Cetaceans and Seabirds of Wales and Surrounding Waters
Dosbarthiad ac amlder a fodelwyd ar gyfer Morfilod ac Adar Morol Cymru a'r Dyfroedd Cyfagos

  • English
  • wel
  • All

The data resource is a package of GIS shapefiles of modelled maximum and monthly (mean) densities of cetacean and seabird species presented in Natural Resources Wales’ Evidence Report No 646: Modelled Distributions and Abundance of Cetaceans and Seabirds in Wales and Surrounding Waters. Refer to report for further information.

Mae hon yn set ddata o ddwyseddau mwyaf a misol (cymedrig) a fodelwyd ar gyfer rhywogaethau o forfilod ac adar môr penodol ym Môr Iwerddon a’r Môr Celtaidd o amgylch Cymru. Mae dwyseddau a fodelwyd yn deillio o fodelu rhagfynegol o achosion o weld y creaduriaid a newidynnau amgylcheddol. Mae'r mapiau mwyaf yn cynrychioli'r dwysedd mwyaf fesul cell 2.5km2 o'r set ddata gyfan. Mynegir mapiau misol (adar môr a morfilod) a degawdol (morfilod yn unig) fel dwysedd cymedrig fesul cell 2.5km2.


Gellir lawrlwytho'r data mwyaf a fodelwyd gan ddefnyddio Map Data Cymru. Ar gyfer data misol (ar gyfer adar môr a morfilod) a degawdol (ar gyfer morfilod yn unig) dilynwch y ddolen hon.


Gellir adeiladu tymhorau (ar gyfer adar môr a morfilod) a Tymhorau yn ôl Degawd a Degawdau (ar gyfer morfilod yn unig) drwy gyfuno'r mapiau misol perthnasol yn GIS


Er mwyn cael rhagor o wybodaeth am y setiau data a'r dulliau, gweler adroddiad tystiolaeth CNC yma: 646: Dosbarthiad ac amlder a fodelwyd ar gyfer Morfilod ac Adar Morol Cymru a'r Dyfroedd Cyfagos (cyfoethnaturiol.cymru)


Datganiad priodoli:

Yn cynnwys gwybodaeth Cyfoeth Naturiol Cymru © Cyfoeth Naturiol Cymru a Hawl Cronfa Ddata. Cedwir pob hawl. Set ddata wedi’i chreu gan ddefnyddio data gan y Sea Watch Foundation a'r Rhaglen Ymchwil Ecosystemau Morol.

Identification

Dynodydd
Identifier
NRW_DS125561
Teitl Amgen
Alternative Title
  • Marine mammal and Seabird Atlas for Wales 3rd Edition 2023
Laith Metadata
Metadata Language
English
Lineage

Modelled densities are derived from predictive GEE_GLM modelling of sightings and environmental variables. See report for details. Shapefiles are filed in the following folder structure: Maximum, Months, (seabirds and cetaceans) and Months by Decade (cetaceans only). Seasons (for seabirds and cetaceans) and Seasons by Decade and Decades (for cetaceans only) can be constructed by combining the relevant monthly maps in GIS Maximum maps represent the maximum density per 2.5km2 cell from the monthly data layers Monthly maps are expressed as mean density per 2.5km2 cell.


File names are named as: NRW (Natural Resources Wales)_IRS (Irish Sea)_Species_month (numeric)_projection (WGS84).


Data in the shapefile consists of SP_ID (specific identifier), Species, LOW (5% quantile), FIT (density predicted from GEE-GLM model), and UPP (95% quantile) Quantiles are derived from simulations of the data (see report p32 for details).


The sightings and effort maps illustrate underlying third-party data and cannot be made publicly available. Underlying data can be requested from individual providers.
Additional Information

Evans, P.G.H. and Waggitt, J.J. 2023. Modelled Distribution and Abundance of Cetaceans and Seabirds in Wales and Surrounding Waters. NRW Evidence Report, Report No: 646, 354 pp. Natural Resources Wales, Bangor.
Dyddiad cyfeirnod y set ddata (Cyhoeddiad)
Dataset Reference Date (Publication)
2023-10-17
Perchennog
Owner
  Natural Resources Wales (NRW) -
Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales
http://naturalresources.wales/?lang=en
Cychwynnwr
Originator
  Sea Watch Foundation -
Head Office, Ewyn y Don, Bull Bay, Amlwch, Ynys Mon, LL68 9SD, Wales
http://seawatchfoundation.org.uk/
Cychwynnwr
Originator
  University of Wales, Bangor. School of Ocean Sciences -
Bangor, Gwynedd, LL57 2DG
http://www.bangor.ac.uk
 

Extent

Extent

Hyd
Geographic Extent
Irish Sea
N
W
E
S
Map representing the geographic extent of the dataset


 

Vertical Extent

Medin Extent Keyword
water column
 
 

Distribution

Dosbarthiad
Distribution

Fformat - Math a Disgrifiad
Format Type and Description
  • Geographic Information System ( )

    Specification

    [A] The Final Report in Microsoft Word and Adobe PDF Formats [B] Full set of Maps produced in BMP Format [C] A series of GIS layers on which the density maps in the report are based with a read me file detailing the data processing and structure of the GIS layers

Lleolwr Adnoddau
Resource Locator
View and Download ( WWW:LINK-1.0-http--link )
Lleolwr Adnoddau
Resource Locator
Web Mapping Service ( OGC:WMS )
 

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

Modelled densities are derived from predictive GEE_GLM modelling of sightings and environmental variables. See report for details. Shapefiles are filed in the following folder structure: Maximum, Months, (seabirds and cetaceans) and Months by Decade (cetaceans only). Seasons (for seabirds and cetaceans) and Seasons by Decade and Decades (for cetaceans only) can be constructed by combining the relevant monthly maps in GIS Maximum maps represent the maximum density per 2.5km2 cell from the monthly data layers Monthly maps are expressed as mean density per 2.5km2 cell.


File names are named as: NRW (Natural Resources Wales)_IRS (Irish Sea)_Species_month (numeric)_projection (WGS84).


Data in the shapefile consists of SP_ID (specific identifier), Species, LOW (5% quantile), FIT (density predicted from GEE-GLM model), and UPP (95% quantile) Quantiles are derived from simulations of the data (see report p32 for details).


The sightings and effort maps illustrate underlying third-party data and cannot be made publicly available. Underlying data can be requested from individual providers.
 

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
  • delphinidae
  • seabirds (see also specific species)(see also shorebirds)
  • mysticeti
  • birds (see also specific species,groups eg.seabirds and bird studies)
  • marine birds (see seabirds,shorebirds)
  • abundance
  • distributions
  • porpoises (see also specific species)
  • phocoena phocoena
  • cetacean survey
  • cetaceans (see also specific species)
Math
Type
Theme
Theme

Dyfyniad
Citation

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

Allweddair
Keywords

SeaDataNet Parameter Discovery Vocabulary
Math
Type
Theme
Theme

Dyfyniad
Citation

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

Allweddair
Keywords

IPSV Subjects List
  • Dolphins
  • Whales
Math
Type
Theme
Theme

Dyfyniad
Citation

Dyddiad (Cyhoeddiad)
Date (Publication)
2020-11-18
Code
geonetwork.thesaurus.external.theme.subjects
 

Spatial Reference System

Code
WGS 84 (EPSG:4326)
 

Content

Gwybodaeth Cynnwys
Content Information

Proffil CNC
NRW Profile

Elfennau CNC
Custom Elements

NRW Related Title

Modelled Distributions and Abundance of Cetaceans and Seabirds of Wales and Surrounding Waters
 

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 the derived data. NRW may release, publish or disseminate it freely. NRW cannot provide access to the underlying third party data and enquirers are advised to request access from the owner/originator directly, rather than NRW
 

Use Constraints

Cyfyngiadau Defnyddio
Use constraints type
Other restrictions
Other restrictions
Other constraints

© CNC/NRW. Published 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. NRW does not grant permission to re-use or disseminate the underlying third party data.
 

Attribution Statement

Other constraints

Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Derived using data from the Sea Watch Foundation and the Marine Ecosystems Research Programme.
 

Licence

Other constraints
Open Government Licence
 
 
 

Metadata

Metadata

Dynodydd Ffeil
File Identifier
4f4c4942-4343-5764-6473-313235353631 XML
Laith Metadata
Metadata Language
English
Math o adnodd
Resource type
Dataset
Dataset
Dyddiad Metadata
Metadata Date
2026-03-03T15:54:52.762Z
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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