NRW_DS125499 eng dataset Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en pointOfContact 2026-03-03T15:02:03 MEDIN 3.1.2 wel eng utf8 Latitude and Longitude (EPSG::4326) Mapping Environmental Considerations for Marine Spatial Planning in Wales Mapping Environmental Considerations for Marine Spatial Planning in Wales Mapio ystyriaethau amgylcheddol ar gyfer cynllunio gofodol morol yng Nghymru Mapping Environmental Considerations for Marine Planning - Birds.lyr Mapping Environmental Considerations for Marine Planning - Fish.lyr Mapping Environmental Considerations for Marine Planning - Habitats Benthic Species.lyr Mapping Environmental Considerations for Marine Planning - Mammals.lyr 2023-10-24 publication 4f4c4942-4343-5764-6473-313235343939 Environmental Considerations spatial datasets for marine planning. These datasets are derived from multiple datasets indicating the presence of protected features in Welsh waters. The data is presented on 1 km2 hexagonal grids. Operational phase was considered for all sectors for all feature groups, and includes maintenance activities. The construction phase was only considered for sectors where potential construction impacts are substantially different from those during operation (tidal stream, wave, tidal range, Floating offshore wind and cabling). However, for the Bird feature group, construction phase was only considered for tidal range and cabling. The scoring methodology included three main stages: 1. The occurrence score reflects either the presence or absence, or standardized abundance (where abundance data was available) of features (i.e., species, habitats, or protected sites) and were scored from 1 to 3 on a continuous scale where 1 was the lowest density and 3 the highest for each feature. 2. The conservation importance score is an estimate of the level of protection each feature has based on the legislation that confers a feature protection. It is important to note that all the features included in this work are conferred protection under various legislation and all are important considerations in the planning of developments. This step was scored from 1 to 5. 3. An impact score to reflect potential impacts on features based on the likely pressures generated by each sector was applied for the operational pressures of each of the focus sectors and, separate to this, construction pressures for some sectors. Where there was considered to be a lack of evidence then a higher score was applied. The current approach did not assess specific technologies individually but considered the potential pressures that could originate from a sector and their potential to negatively affect each of the features. This step was scored from 1 to 3. A total score was calculated for each feature in each cell, and these were summed for each 1 km2 hexagonal grid cell, providing a relative ‘environmental considerations’ score for each feature group per sector. The approach taken to the scoring differed slightly between feature groups based on the available evidence Environmental Considerations spatial datasets for marine planning. These datasets are derived from multiple datasets indicating the presence of protected features in Welsh waters. The data is presented on 1 km2 hexagonal grids. Operational phase was considered for all sectors for all feature groups, and includes maintenance activities. The construction phase was only considered for sectors where potential construction impacts are substantially different from those during operation (tidal stream, wave, tidal range, Floating offshore wind and cabling). However, for the Bird feature group, construction phase was only considered for tidal range and cabling. The scoring methodology included three main stages: 1. The occurrence score reflects either the presence or absence, or standardized abundance (where abundance data was available) of features (i.e., species, habitats, or protected sites) and were scored from 1 to 3 on a continuous scale where 1 was the lowest density and 3 the highest for each feature. 2. The conservation importance score is an estimate of the level of protection each feature has based on the legislation that confers a feature protection. It is important to note that all the features included in this work are conferred protection under various legislation and all are important considerations in the planning of developments. This step was scored from 1 to 5. 3. An impact score to reflect potential impacts on features based on the likely pressures generated by each sector was applied for the operational pressures of each of the focus sectors and, separate to this, construction pressures for some sectors. Where there was considered to be a lack of evidence then a higher score was applied. The current approach did not assess specific technologies individually but considered the potential pressures that could originate from a sector and their potential to negatively affect each of the features. This step was scored from 1 to 3. A total score was calculated for each feature in each cell, and these were summed for each 1 km2 hexagonal grid cell, providing a relative ‘environmental considerations’ score for each feature group per sector. The approach taken to the scoring differed slightly between feature groups based on the available evidence Mae'r setiau data hyn yn deillio o nifer o setiau data sy'n nodi presenoldeb nodweddion gwarchodedig yn nyfroedd Cymru. Cyflwynir y data ar gridiau hecsagonol 1 km2. Mae rhagor o fanylion am y fethodoleg wedi'u cynnwys yn yr adroddiad canlynol: Murray, L.G., Bloomfield, H. a Skates, L. (2023). Mapping Environmental Considerations for Marine Spatial Planning in Wales: Methodology. Adroddiad i Lywodraeth Cymru. Bangor, Cyfoeth Naturiol Cymru. 48tt. Ystyriwyd y cyfnod gweithredol ar gyfer pob sector ar gyfer pob grŵp nodwedd, ac mae'n cynnwys gweithgareddau cynnal a chadw. Dim ond ar gyfer sectorau lle mae effeithiau adeiladu posibl yn wahanol iawn i'r rhai gweithredu (ynni llif y llanw, ynni’r tonnau, ynni amrediad y llanw, ynni gwynt arnofiol ar y môr a cheblau) y cafodd y cam adeiladu ei ystyried. Fodd bynnag, ar gyfer grŵp nodwedd Adar, dim ond ar gyfer amediad llanw a cheblau y cafodd y cam adeiladu ei ystyried. Roedd y fethodoleg sgorio yn cynnwys tri phrif gam: 1. Mae'r sgôr digwyddiad yn adlewyrchu naill ai presenoldeb neu absenoldeb, neu helaethrwydd safonedig (lle’r oedd data helaethrwydd ar gael) o nodweddion (h.y., rhywogaethau, cynefinoedd, neu safleoedd gwarchodedig) ac fe'u sgoriwyd o 1 i 3 ar raddfa barhaus lle mai 1 oedd y dwysedd isaf a 3 yr uchaf ar gyfer pob nodwedd. 2. Mae'r sgôr pwysigrwydd cadwraeth yn amcangyfrif o lefel yr amddiffyniad sydd gan bob nodwedd yn seiliedig ar y ddeddfwriaeth sy'n gwarchod nodwedd. Mae'n bwysig nodi bod yr holl nodweddion a gynhwysir yn y gwaith hwn yn cael eu gwarchod o dan ddeddfwriaeth amrywiol ac mae pob un ohonynt yn ystyriaethau pwysig wrth gynllunio datblygiadau. Sgoriwyd y cam hwn o 1 i 5. 3. Cymhwyswyd sgôr effaith i adlewyrchu effeithiau posibl ar nodweddion yn seiliedig ar y pwysau tebygol a gynhyrchir gan bob sector ar gyfer pwysau gweithredol pob un o'r sectorau ffocws ac, ar wahân i hyn, pwysau adeiladu ar gyfer rhai sectorau. Lle ystyriwyd bod diffyg tystiolaeth, yna cymhwyswyd sgôr uwch. Nid oedd y dull gweithredu presennol yn asesu technolegau penodol yn unigol ond ystyriodd y pwysau posibl a allai ddeillio o sector a'u potensial i effeithio'n negyddol ar bob un o'r nodweddion. Sgoriwyd y cam hwn o 1 i 3. Cyfrifwyd cyfanswm sgôr ar gyfer pob nodwedd ym mhob cell, a chyfunwyd y rhain ar gyfer pob cell grid hecsagonol 1 km2, gan ddarparu sgôr 'ystyriaethau amgylcheddol' cymharol ar gyfer pob grŵp nodwedd fesul sector. Roedd y dull a ddefnyddiwyd i sgorio ychydig yn wahanol rhwng grwpiau nodwedd yn seiliedig ar y dystiolaeth sydd ar gael. Datganiad priodoli: Yn cynnwys gwybodaeth Cyfoeth Naturiol Cymru © Cyfoeth Naturiol Cymru a Hawl Cronfa Ddata. Cedwir pob hawl. Yn cynnwys data’r Cyd-bwyllgor Cadwraeth Natur, Natural England, Scottish National Heritage, Swyddfa Hydrograffig y DU, RSPB, Ymddiriedolaeth Adareg Prydain, Y Gymdeithas Cadwraeth Morol, Cefas, Llywodraeth Cymru ac Arolwg Ordnans. Rhif trwydded Arolwg Ordnans AC0000849444. Hawlfraint y Goron a Hawliau Cronfa Ddata. Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en owner Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en custodian Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en originator Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en distributor asNeeded Habitats and biotopes Protected sites Species distribution theme GEMET - INSPIRE themes, version 1.0 2008-06-01 publication geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme marine planning theme NRW Thesaurus 2025-01-08 publication geonetwork.thesaurus.local.theme.converted_nrw-keywords Seal abundance Habitat extent theme SeaDataNet Parameter Discovery Vocabulary 2024-06-19 publication geonetwork.thesaurus.external.theme.rdf+xml otherRestrictions There are no access restrictions on this data. NRW may release, publish or disseminate it freely. no limitations otherRestrictions 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. Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. Contains JNCC, Natural England, SNH, UKHO, RSPB, BTO, MCS, Cefas, WG and Ordnance Survey Data. Ordnance Survey Licence number AC0000849444. Crown Copyright and Database Right. Open Government Licence vector eng utf8 environment NRW Geographic Identifiers Collection 2024-01-01 publication Wales (WLS) -5.777741 -2.608865 51.240829 53.513067 SeaVoX Vertical Co-ordinate Coverages 2013-02-05 creation circalittoral 2020-01-01 2023-03-01 Murray, L.G., Bloomfield, H. and Skates, L. (2023). Mapping Environmental Considerations for Marine Spatial Planning in Wales: Methodology Report. Natural Resources Wales, Bangor. Geographic Information System ESRI Feature Class https://datamap.gov.wales/layergroups/geonode:nrw_mecmp WWW:LINK-1.0-http--link View and Download information https://datamap.gov.wales/capabilities/layergroup/5653/?ows_service=wms OGC:WMS Web Map Service information dataset 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 2010-12-08 publication This dataset has not been assessed for conformance to the referenced INSPIRE regulation. false The methods used to derive these datasets are based on those used in the Sustainable Management of Marine Natural Resources project: ABPmer, 2020. Sustainable Management of Marine Natural Resources, Ecological Constraints and Opportunities, ABPmer Report No. R.3527. A report produced by ABPmer for Welsh Government. Datasets and methods have been updated and applied to additional sectors. The methods used to derive these datasets are based on those used in the Sustainable Management of Marine Natural Resources project: ABPmer, 2020. Sustainable Management of Marine Natural Resources, Ecological Constraints and Opportunities, ABPmer Report No. R.3527. A report produced by ABPmer for Welsh Government. Datasets and methods have been updated and applied to additional sectors.