Marine_Scotland_FishDAC_890 eng dataset Marine Scotland +44 (0)1224 876 544 enquiries@marlab.ac.uk pointOfContact 2013-10-29 MEDIN Discovery Metadata Version 2.3.7 WGS84 OGP FishDAC - Nephrops Underwater TV Survey (Scotland) - 2011 - Sea Loch Mapping 1900-01-01 publication Marine_Scotland_FishDAC_890 Underwater TV and trawl survey to estimate Nephrops burrow distribution and abundance and to collect sediment samples in West coast sea lochs (Loch Ewe, Loch Torridon, Loch Gairloch, Loch Duich, Loch Alsh and Loch Carron). Marine Scotland +44 (0)1224 876 544 Marine Scotland Science, Marine Laboratory, 375 Vcitoria Road Aberdeen AB11 9DB United Kingdom enquiries@marlab.ac.uk pointOfContact Marine Scotland +44 (0)1224 876 544 Marine Scotland Science, Marine Laboratory, 375 Vcitoria Road Aberdeen AB11 9DB United Kingdom enquiries@marlab.ac.uk originator Blackadder, Lynda Marine Scotland +44 (0)1224 876 544 Marine Scotland Science, Marine Laboratory, 375 Vcitoria Road Aberdeen AB11 9DB United Kingdom enquiries@marlab.ac.uk custodian not planned Marine Environmental Data and Information Network Habitat characterisation Habitat extent Sediment grain size parameters BODC Parameter Discovery Vocabulary 2011-03-25 revision Open Government License (http://www.nationalarchives.gov.uk/doc/open-government-licence/) license 55000.00 eng biota oceans -6 -5 57 58 ICES Rectangles 1910-01-01 creation 43E4 ICES Rectangles 1910-01-01 creation 44E4 SeaDataNet vertical extent keywords 2010-01-01 revision The water column that is significantly influenced by the seabed, which is broader in deep ocean than in shelf seas. Guideline approximation is bottom 10m of oceans and bottom 5% of shelf (<200m) seas. SeaDataNet vertical extent keywords 2010-01-01 revision The upper surface (interface plus surficial substrate) of the layer of unlithified sediments (of any grain size from silt to boulders) that form a layer between the solid crust and either the atmosphere or the water column. 2011-01-10 2011-01-24 https://www.bodc.ac.uk/data/information_and_inventories/cruise_inventory/report/10614/ Reference info #0 download http://www.scotland.gov.uk/Topics/marine/science/Research/scienceops/vessels-technology/engineering/underwater/tvsurveys Reference info #1 download Electronic - 100 UWTV station records - DVD, Electronic - 100 UWTV station records - Access database, Paper - 100 UWTV station records - Standard UWTV station details log sheet , Electronic - 86 sediment samples - Excel spreadsheet & Access database dataset Underwater TV footage is taken at specified stations. The underwater camera is mounted on a towed sledge and tow duration is 10 minutes. Records of Nephrops burrows, Nephrops and other benthic fauna is recorded onto DVD for analysis and review. The depth and distance travelled by the sledge as well as the camera height is recorded. Sediment samples are taken where practicable using a mini van Veen grab mounted on the sledge. Where necessary, Day Grab sediment samples are taken instead.