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Biota

458 record(s)
 
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  • Two surveys of the sediments and macro-invertebrates of intertidal areas of the Wash were undertaken during late September to early November 1998 and 1999. In 1998, 113 sites, each 1 ha in area were sampled, 91 of which were sampled in Institute of Terrestrial Ecology's survey of 1986. In 1999, 103 sites were sampled, 82 of which had been first sampled in 1986.

  • JNCC and Centre for Environment, Fisheries and Aquaculture Science (Cefas) undertook aseabed survey (CEND 22/13 & 23/13) at the North Norfolk Sandbanks and Saturn Reef SCIbetween 4 November and 25 November 2013 on the RV Cefas Endeavour(Vanstaen and Whomersley 2014). The aim was to gather additional seabed data to assist with the development of management advice for the site. Locations of known S. spinulosa reef, along with historic records where reef had been previously observed, were surveyed to assess presence, and where possible, delineate the Annex I biogenic reef feature and characterise associated fauna.

  • This file shows the distribution of Annex 1 habitats - mudflats and sandflats not covered by sea water at low tide and estuaries - in Dundalk Bay SAC. Habitat mapping is used to help define the area and range parameters for conservation objectives. Site-specific conservation objectives aim to define favourable conservation condition for Habitats Directive Annex I habitats at a site level.

  • 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.

  • Natural England (NE), in partnership with Cefas and the Devon and Severn Inshore Fisheries Conservation Authority (IFCA), conducted a field survey to determine the presence and extent of the biogenic reef feature within the Torbay area of the Lyme Bay and Torbay candidate Special Area of Conservation (cSAC). Surveys were undertaken on the 25th/26th September and 4th October.Ground-truthing sample locations, intended to identify the presence and extent of Mytilus edulis beds on sediment, were identified using indicative signatures from existing acoustic datasets alongside previous point data records and local knowledge. Ground-truthing techniques included the acquisition of video and still images of the seabed.

  • This file shows the distribution of the Annex 1 reefs in Slieve League SAC. Habitat mapping is used to help define the area and range parameters for conservation objectives. Site-specific conservation objectives aim to define favourable conservation condition for Habitats Directive Annex I habitats at a site level.

  • This file shows the distribution of the Annex 1 sandwaves in the Blackwater Bank SAC. Habitat mapping is used to help define the area and range parameters for conservation objectives. Site-specific conservation objectives aim to define favourable conservation condition for Habitats Directive Annex I habitats at a site level.

  • This file shows the distribution of Annex 1 habitats - estuaries and coastal lagoons - in the Lough Swilly SAC. Habitat mapping is used to help define the area and range parameters for conservation objectives. Site-specific conservation objectives aim to define favourable conservation condition for Habitats Directive Annex I habitats at a site level.

  • A biotope analysis of Dundrum bay was conducted in 2015 as part of efforts to understand the distribution and extent of benthic habitats and associated marine life within the Murlough special area of conservation incorporating new and historical groundtruthing information alongside modern acoustic data. The map was originally presented in the Marine Habitat Classification for Britain & Ireland (http://jncc.defra.gov.uk/MarineHabitatClassification). This has been translated to the EUNIS habitat classification system for integration with other European datasets. For more information, see: AFBI, 2015. Bathymetric and Habitat Map for Murlough Special Area of Conservation and offshore, Northern Ireland. Report to the Department of the Environment.

  • 2017 annual stock assessment of the The Wash intertidal mussel communities, conducted by the Eastern Inshore Fisheries Conservation Authority. Following a period of stablisation, data showed the mussel stocks have been consistently low since 2009. The 2017 assessment showed a slight decrease in adult recruitment compared to the 2016 assessment, but was still higher than the previous years (2010-2015). Juvenile recruitment continued to improve.