4f4c4942-4343-5764-6473-313135323734 English Natural Resources Wales (NRW) Maes-y-Ffynnon, Penrhosgarnedd, Bangor, Gwynedd, LL57 2DW, Wales enquiries@naturalresourceswales.gov.uk http://naturalresources.wales/?lang=en 2024-12-09T13:13:52.117Z NRW 1.0 wel Latitude and Longitude (EPSG::4326) Sediment Core Sampling of Seagrass (Zostera) Bed and Sediment Areas in Porth Dinllaen Sediment Core Sampling of Seagrass (Zostera) Bed and Sediment Areas in Porth Dinllaen 2012 CCW Porth Dinllaen Seagrass Bed Infauna and Sediments Survey MRCCW31700000008 Samplo craidd gwaddod o wely Morwellt (zostera) ac ardaloedd gwaddodi ym Mhorth Dinllaen 2012-12-31 NRW_DS115274 As part of the management of the Pen Llyn a'r Sarnau Special Area of Conservation (SAC), the SAC Officer has been working with the National Trust, local fishermen, boat owners and others to look at options to reduce the impact of moorings on the seagrass (Zostera marina) bed at Porth Dinllaen, North Wales. This is a joint project between Countryside Council for Wales (CCW) and Gwynedd County Council as part of the Pen Llyn a'r Sarnau SAC. As part of the Porth Dinllaen seagrass project a variety of studies are being undertaken to secure an appropriate baseline to establish a detailed picture of the current condition of the seagrass bed that can be used as a reference point to monitor recovery in the future as the project proceeds. These were conducted to aid in the management of the seagrass bed (Zostera marina) present, listed as an important feature under Regulation 35 for the Pen Llyn a'r Sarnau Special Area of Conservation. This project was a component of a much larger venture which aims to better understand the local ecology and biology of Porth Dinllaen seagrass bed, with an ultimate goal of developing more seagrass friendly moorings and management techniques. The project has been let in 4 stages: 1) The core and sediment samples and field notes were collected by MES on the 10th October 2) The cores were sent to Thomson Unicomarine for infauna and sediment analysis (By CCW) 3) The species data was sent to MES analysed in PRIMER (Paid by GCC) 4) The analysed data was entered into Marine Recorder under the PKC data capture contract As part of the management of the Pen Llyn a'r Sarnau Special Area of Conservation (SAC), the SAC Officer has been working with the National Trust, local fishermen, boat owners and others to look at options to reduce the impact of moorings on the seagrass (Zostera marina) bed at Porth Dinllaen, North Wales. This is a joint project between Countryside Council for Wales (CCW) and Gwynedd County Council as part of the Pen Llyn a'r Sarnau SAC. As part of the Porth Dinllaen seagrass project a variety of studies are being undertaken to secure an appropriate baseline to establish a detailed picture of the current condition of the seagrass bed that can be used as a reference point to monitor recovery in the future as the project proceeds. These were conducted to aid in the management of the seagrass bed (Zostera marina) present, listed as an important feature under Regulation 35 for the Pen Llyn a'r Sarnau Special Area of Conservation. This project was a component of a much larger venture which aims to better understand the local ecology and biology of Porth Dinllaen seagrass bed, with an ultimate goal of developing more seagrass friendly moorings and management techniques. The project has been let in 4 stages: 1) The core and sediment samples and field notes were collected by MES on the 10th October 2) The cores were sent to Thomson Unicomarine for infauna and sediment analysis (By CCW) 3) The species data was sent to MES analysed in PRIMER (Paid by GCC) 4) The analysed data was entered into Marine Recorder under the PKC data capture contract 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 Marine Ecological Solutions Ltd Marine Ecological Solutions Ltd, 41 High Street, Menai Bridge, Ynys Mon, LL59 5EF, Wales info@marine-ecosol.com http://www.marine-ecosol.co.uk Thomson Unicomarine Business Centre East, Fifth Avenue, Letchworth, Hertfordshire, SG6 2TS enquiries@thomsonunicomarine.com http://www.thomsonunicomarine.com 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 Species distribution GEMET - INSPIRE themes, version 1.0 GEMET - INSPIRE themes, version 1.0 2008-06-01 geonetwork.thesaurus.external.theme.httpinspireeceuropaeutheme-theme sediment sample sediment infauna marine sediments (coastal sediments) (intertidal sediments) (subtidal sediments) seagrasses (see also potamogetonaceae and hydrocharitaceae) zostera posidoniaceae anchor damage NRW Thesaurus NRW Thesaurus 2023-12-31 geonetwork.thesaurus.local.theme.converted_nrw-keywords Zoobenthos generic abundance Zoobenthos taxonomic abundance Macroalgae and seagrass infection and damage Sedimentary structure SeaDataNet Parameter Discovery Vocabulary SeaDataNet Parameter Discovery Vocabulary 2021-01-06 geonetwork.thesaurus.external.theme.rdf+xml There are no access restrictions to this data. NRW may release, publish or disseminate it freely. no limitations © CNC/NRW 2012. There are no use restrictions on this data. Recipients may re-use, reproduce, disseminate this data free of charge in any format or medium, provided they do so accurately, acknowledging both the source and NRW's copyright, and do not use it in a misleading context. It is the recipient's responsibility to ensure the data is fit for the intended purpose, that dissemination or publishing does not result in duplication, and that it is fairly interpreted. Advice on interpretation should be sought where required. To avoid re-using old data, users should periodically obtain the latest version from the original source. English biota oceans SeaVoX Vertical Co-ordinate Coverages SeaVoX Vertical Co-ordinate Coverages 2021-01-06 soil and sediment GWYNEDD - GWYNEDD -4.5668596 -4.52893256 52.93406222 52.95115279 2012-10-10 2012-10-10 Documents [A] Field report to Gwynedd County Council in word .doc format. This includes sample locations [B] Species and PSA data held in .xls speadsheets [C] Marine Recorder (MRCCW31700000008) NBN file and Snapshot [D] PRIMER analysis commissions by Gwynedd County 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 total of 24 subtidal infaunal sediment cores and 8 sediment particle analysis cores have been collected from three different habitats within the area of the Porth Dinllaen seagrass bed: -mooring scar areas (3 sample locations with 3 replicate infaunal cores and 1 sediment core at each location), -seagrass bed areas with good seagrass cover (3 sample locations with 3 replicate infaunal cores and 1 sediment core at each location) -sediment areas outside of the seagrass bed and mooring scars (2 sample locations with 3 replicate infaunal cores and 1 sediment core at each location) In addition to the core data, diver observations of sediment composition, sediment features and characteristics, and epifauna have been collected for each sample location. The aims of these cores were to assess any significant difference between the infaunal communities and sediment profiles of these three habitat types. A total of 24 subtidal infaunal sediment cores and 8 sediment particle analysis cores have been collected from three different habitats within the area of the Porth Dinllaen seagrass bed: -mooring scar areas (3 sample locations with 3 replicate infaunal cores and 1 sediment core at each location), -seagrass bed areas with good seagrass cover (3 sample locations with 3 replicate infaunal cores and 1 sediment core at each location) -sediment areas outside of the seagrass bed and mooring scars (2 sample locations with 3 replicate infaunal cores and 1 sediment core at each location) In addition to the core data, diver observations of sediment composition, sediment features and characteristics, and epifauna have been collected for each sample location. The aims of these cores were to assess any significant difference between the infaunal communities and sediment profiles of these three habitat types.