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Joint Nature Conservation Committee

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  • Strategic Environmental Assessment (SEA) surveys were comissioned in 2005/06 by the Department of Trade & Industry (now Department for Energy and Climate Change). These surveys, in which JNCC collaborated, acquired multibeam and sidescan sonar data. Ground-truthing data (seabed imagery and biological/sediment samples) was also collected. Although full coverage multibeam and sidescan data was not present for all locations where potential Annex I reef was indicated the available data has provided a good indication of the nature of Annex I reef habitat present within Pobie Bank Reef SAC.Data from the SEA surveys were subsequently analysed to idenitfy areas of Annex I Reef within the Pobie Bank Reef SAC.

  • Predicted distribution of Annex 1 Reef habitat using data from SEA 6 survey data from S/V Kommander Jack Irish Sea survey 2004, Legs 2 qnd 3. Geophysical acoustic data and groundtruthing by photos and video was used for analysis.

  • Annex I habitat map created from data collected on the CEND 11/08 survey to Solan Bank - subsequently translated to EUNIS. Sublittoral sediments defined using acoustic and groundtruth data. Survey Techniques: Kongsberg EM3000D multi beam echosounder; Benthos SIS 1624 towed sidescan sonar; 0.1m2 Hamon grab; Rock dredge; Camera sledge; Drop frame video camera. See JNCC report 430, 2010 for more information. Orthorectified aerial photography used was flown to a scale of 1:5000. Photography was flown at low tide on a spring tide between the months of April and September to ensure maximum vegetation coverage. As a result of this and due to adverse weather conditions over some of the key tidal windows the whole project area was not captured in one block, but flown in stages between 2006 and 2009. Although ground-truthing was undertaken to support and validate the habitat map, not all areas were ground-truthed.

  • Categories  

    This layer shows the current known extent and distribution of Coralligenous and other calcareous bioconcretions in the Mediterranean, collated by EMODnet Seabed Habitats. The purpose was to produce a data product that would provide the best compilation of evidence for this habitat, as described in the "Action Plan for the protection of the coralligenous and other calcareous bio-concretions in the Mediterranean". This data product contains large data gaps and should be viewed as incomplete.

  • Outputs produced as part of the Outer Thames Estuary Regional Environmental Characterisation on behalf of the Marine Aggregate Levy Sustainability Fund. Data available to download from www.thamesrecgis.org.uk

  • Predicted distribution of biotopes using data from SEA surveys from 2003 & 2006 together with BGS data.

  • This aim of the project was to provide integrated broadscale habitat maps for an extensive area within the central part of the Eastern English Channel in order to support the sustainable management of offshore resources. The maps integrated geological, geophysical and biological data and interpretations, including new surveys using high resolution geophysical systems, ground truthed with sampling and video. The immediate driver was the discovery of substantial aggregate resources in this area and the requirement to manage the sustainable development of this resource and minimise potential impacts. The results are available in GIS format and may be used by Government, Nature Conservation bodies and the aggregate industry to inform the planning process. It may also be a valuable tool for fisheries management. BGS, CEFAS and JNCC are partners in the project, and MES a sub-contractor.

  • The objective of this project was to generate seabed habitat maps for locations with full coverage acoustic datasets to as detailed a hierarchical level as possible within the Marine Habitat Classification for Britain and Ireland (version 04.05), also known as MNCR classification, (Connor et al. 2004). The acoustic data were at various stages of processing and interpretation, therefore the mapping of habitats and biotopes in some areas have required a greater amount of work to reach the same level compared to other areas. The constituent polygons within the habitat/biotope maps are labelled to an appropriate level of the Habitat Classification and translated to the corresponding EUNIS code. In order to generate seabed habitat maps for the areas the data associated with each area were required to undergo some preliminary preparation and processing in order to ensure suitability and compatibly with the mapping methodologies employed. The data were then processed using a top-down approach was adopted based on the methods developed by MESH and UKSeaMap and used by EUSeaMap, which utilised the updated seabed substrate information provided by BGS. Habitat maps for the area have been produced (the level of habitat detail which could be mapped was restricted to level 3 or 4 of the EUNIS classification and level 2 or 3 of the MNCR classification) with associated metadata and peripheral supplementary data to aid in future analysis and interpretation. A confidence assessment using the MESH confidence assessment method has been undertaken for each habitat map produced and certainty of classification maps accompany each habitat map also.

  • Mapped Habitats, captured from multibeam bathymetry and derived layers by geophysicist and ecologist. JNCC undertook a survey with Marine Scotland Science to Pobie Bank Reef cSAC with the aim of gathering high quality evidence to better ascertain the distribution of bedrock and stony reef for the development of management advice. Multibeam bathymetry and backscatter data and sidescan sonar data were collected, as were benthic infaunal and PSA samples and underwater stills and video imagery. Data were gathered from the FRV Scotia from 23rd August to 6th September 2013. Data (acoustic and underwater camera tow video and stills) from two SEA surveys undertaken at Pobie Bank Reef cSAC in 2003 and 2006 were made available and utilised in the analysis. Also available is a biological data interpretation report based on these data. The report was prepared by Envision in 2009, and contains the most recent habitat map for Pobie Bank Reef cSAC.

  • This map was produced as part of the site selection process for the Greater Thames Estuary AoS. It aimed to characterise the habitat features of the AoS, and to identify the areas of Annex I habitat present.