4f4c4942-4343-5764-6473-313130303632 English NRW_DS110194 Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en 2024-05-31T09:22:21.538Z NRW 1.0 wel British National Grid (EPSG::27700) Special Area of Conservation (SAC) Monitoring: Macrophyte Condition Assessment for the Afon Gwyrfai SAC (2007) Special Area of Conservation (SAC) Monitoring: Macrophyte Condition Assessment for the Afon Gwyrfai SAC (2007) Asesiad o gyflwr macroffytau yn ACA Afon Gwyrfai 2008-05-22 NRW_DS110062 The Afon Gwyrfai Special Area of Conservation (SAC) and Llyn Cwellyn Site of Special Scientific Interest (SSSI) was notified in 2003 and is considered to be one of the best examples in the United Kingdom of an oligotrophic to mesotrophic river with submerged beds of aquatic plants, especially its Callitricho-Batrachion vegetation community. The purpose of this data capture was to undertake a Condition Assessment of the river macrophyte and river macrophyte-related attributes of the former Countryside Council for Wales CCW's Management Units 2, 5, 6 and 7 of the Afon Gwyrfai. The Afon Gwyrfai Special Area of Conservation (SAC) and Llyn Cwellyn Site of Special Scientific Interest (SSSI) was notified in 2003 and is considered to be one of the best examples in the United Kingdom of an oligotrophic to mesotrophic river with submerged beds of aquatic plants, especially its Callitricho-Batrachion vegetation community. The purpose of this data capture was to undertake a Condition Assessment of the river macrophyte and river macrophyte-related attributes of the former Countryside Council for Wales CCW's Management Units 2, 5, 6 and 7 of the Afon Gwyrfai. Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en Scott Wilson Ltd 16 Priestgate, Peterborough, Cambridgeshire, PE1 1JA steve.pearce@scottwilson.com http://www.scottwilsongroup.com Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en Habitats and biotopes GEMET - INSPIRE themes, version 1.0 GEMET - INSPIRE themes, version 1.0 2008-06-01 geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme Common Standards Monitoring (CSM) macrophytes river Gwyrfai (afon Gwyrfai) monitoring (see specific types of monitoring eg. woodland monitoring) Special Areas of Conservation (SAC) (see also Candidate Special Areas of Conservation cSAC) marine and freshwater inventory NRW Thesaurus NRW Thesaurus 2023-12-31 geonetwork.thesaurus.local.theme.converted_nrw-keywords 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). no limitations © CNC/NRW and © Crown copyright 2008. 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. English biota SeaVoX Vertical Co-ordinate Coverages SeaVoX Vertical Co-ordinate Coverages 2021-01-06 Wales (WLS) -4.15391076 -4.0999977 53.02973359 53.06721051 2007-08-20 2007-08-23 Macrophyte condition assessment for the Afon Gwyrfai SAC Documents [A] Report: Microsoft Word and Adobe Portable Document Format versions of project report. [B] Raw data: Standard MS Excel River Macrophyte database, a series of River Habitat Survey recording forms as paper and scanned JPEG format images. [C] Mapinfo tables of survey sections, macrophyte mapping data (digital polygons). Macrophyte mapping data can be used to thematically map (Use Mapinfo Thematic Mapping function - seek advice from CCW GIS team) specific data fields. [D] Sketches from the Phase 1 habitat survey as sketches- as scanned JPEG format images. [E] Photos of CSM survey sites - Paper and digital [F] Record of landowner name and addresses - Existing CCW Contacts Database 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 false A Common Standards Monitoring Condition Assessment of Afon Gwyrfai SAC river was used to trial a novel 'macrophyte mapping' survey approach which could be used to complement Common Standards Monitoring and to aid and inform management decisions. This macrophyte mapping method involved walking the banks of the 2 km section and recording the channel flora observed and the major shifts in community composition. The aim of the mapping component was to produce a 'banded map' illustrating these shifts in community composition and structure. A Common Standards Monitoring Condition Assessment of Afon Gwyrfai SAC river was used to trial a novel 'macrophyte mapping' survey approach which could be used to complement Common Standards Monitoring and to aid and inform management decisions. This macrophyte mapping method involved walking the banks of the 2 km section and recording the channel flora observed and the major shifts in community composition. The aim of the mapping component was to produce a 'banded map' illustrating these shifts in community composition and structure.