4f4c4942-4343-5764-6473-313138343934 English Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en 2024-05-31T09:37:50.198Z NRW 1.0 wel British National Grid (EPSG::27700) Afon Eden - Cors Goch Trawsfynydd Special Area of Conservation (SAC) Freshwater Pearl Mussel Population Condition Assessment Report - Habitats Directive Reporting Cycle 3 (2013 - 2018) Afon Eden - Cors Goch Trawsfynydd Special Area of Conservation (SAC) Freshwater Pearl Mussel Population Condition Assessment Report - Habitats Directive Reporting Cycle 3 (2013 - 2018) Afon Eden - Cors Goch Trawsfynydd Special Area of Conservation (SAC) Freshwater Pearl Mussel Population Condition Assessment Report - Habitats Directive Reporting Cycle 3 (2013 - 2018) Freshwater Fauna Common Standards Monitoring Guidance Afon Eden 3rd Cycle Condition Assessment Freshwater pearl mussel population survey data 2017-03-31 NRW_DS118494 Freshwater pearl mussel counts were carried out in specific monitoring sections and transects on the Afon Eden. The methodology followed protocol devised for the Afon Eden in 2003. The data was collected to feed into condition assessment of the pearl mussel population on the Afon Eden according to Common Standards Monitoring guidance for Freshwater fauna for the following attributes: Spatial extent, Population density, Age structure, Dead shells, Suitable habitat Freshwater pearl mussel counts were carried out in specific monitoring sections and transects on the Afon Eden. The methodology followed protocol devised for the Afon Eden in 2003. The data was collected to feed into condition assessment of the pearl mussel population on the Afon Eden according to Common Standards Monitoring guidance for Freshwater fauna for the following attributes: Spatial extent, Population density, Age structure, Dead shells, Suitable habitat 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 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 sd">Species distribution Protected sites Habitats and biotopes Species distribution GEMET - INSPIRE themes, version 1.0 GEMET - INSPIRE themes, version 1.0 2008-06-01 geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme Afon Eden Cors Goch Trawsfynydd pearl mussels margaritifera margaritifera population ecology (population biology) NRW Thesaurus NRW Thesaurus 2023-12-31 geonetwork.thesaurus.local.theme.converted_nrw-keywords Access to this data is restricted under relevant legislation because freshwater pearl mussel is a sensitive species. NRW may NOT publish or disseminate the data. Requests should be referred to NRW's Access to Information Officer. no limitations © CNC/NRW NRW does NOT grant permission to third parties to re-use or disseminate this dataset. English biota environment SeaVoX Vertical Co-ordinate Coverages SeaVoX Vertical Co-ordinate Coverages 2021-01-06 Wales (WLS) -4.01301991 -3.56160371 52.7307243 52.98981006 2016-06-15 2016-06-15 Hearn, SM. (2017), Afon Eden – Cors Goch Trawsfynydd SAC Freshwater Pearl Mussel Population Condition Assessment Report. Habitats Directive Reporting Cycle 3 2013 – 2018. NRW Evidence Report No: 169 30pp, Natural Resources Wales, Bangor. JNCC. 2015. Common Standards Monitoring Guidance for Freshwater fauna. Version October 2015. (Updated from August 2005). Peterborough: Joint Nature Conservation Committee. Killeen IJ. 2004. Monitoring of the Freshwater Pearl Mussel on the Afon Eden Candidate Special Area of Conservation. CCW Environmental Monitoring Report No. 10. Bangor: CCW. Afon Eden – Cors Goch Trawsfynydd SAC freshwater pearl mussel population condition assessment report. Habitats Directive reporting cycle 3 2013 – 2018 - Confidential Database [A] The final report in Microsoft Word and Adobe PDF formats [B] Data stored in workbook on DMS [C] GIS data of sections and transects stored on ArcGIS [D] Images of sections and transects stored on Image Store. 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 Natural Resources Wales (NRW) is responsible for monitoring the condition of the river habitat quality on Special Area of Conservation (SAC) rivers designated for the Freshwater Pearl Mussel feature (Margaritifera margaritifera, EU habitat code 1029). NRW is required to evaluate the conservation status of this river species. The Common Standards Monitoring (CSM) guidance (Joint Nature Conservation Committee (JNCC), 2015) sets out four population sub-attributes for the condition of this SAC feature. Natural Resources Wales (NRW) is responsible for monitoring the condition of the river habitat quality on Special Area of Conservation (SAC) rivers designated for the Freshwater Pearl Mussel feature (Margaritifera margaritifera, EU habitat code 1029). NRW is required to evaluate the conservation status of this river species. The Common Standards Monitoring (CSM) guidance (Joint Nature Conservation Committee (JNCC), 2015) sets out four population sub-attributes for the condition of this SAC feature.