58 returned results for 'Nephrops'

  • Nephrops Activity on the West Coast

    MRV Alba na Mara Programme Survey: 0120A Duration: 6-22 January 2020 Gear:  Large TV drop frame TV sledge Static time lapse camera frame 1 x 600m umbilical towing cable 1 x armoured cable Video cameras and associated equipment (plus backup) Stand-alone time lapse stills camera, recorder and power supply (for static camera frame) Four lasers and…

    9th January 2020

  • Nephrops on the East Coast – An Update

    MRV Alba na Mara Programme Survey 1319A Duration: 8-24 August 2019 The annual Alba na Mara East Coast Nephrops Underwater TV survey returns once again.  A very busy week has been spent in the Firth of Forth working under challenging conditions at times, but despite 40kt easterly gales plenty of headway was made with the planned…

    20th August 2019

  • Nephrops on the East Coast

    MRV Alba na Mara Programme   Survey 1319A Duration: 8-24 August 2019   Objectives: To obtain estimates of the distribution and abundance of Nephrops burrows in the Firth of Forth and the Moray Firth using underwater camera. To use the TV footage to record the occurrence of other benthic fauna and evidence of commercial trawling activity….

    9th August 2019

  • Nephrops Burrowing Complexes; Part Two

    The Nephrops TV survey continued through the South Minch without any issues and experienced some impressive sunsets. Due to a poor weather forecast, the vessel made way for Stanton Bank a little earlier than originally planned and recovered/deployed a COMPASS mooring in the south of the region (which had an even larger squid cluster than…

    28th June 2019

  • Nephrops Burrowing Complexes

    MRV Scotia Programme Survey: 0819S Duration: 2-24 June 2019 Gear: 2 x Scotia BT175 60mm prawn trawls; 2 x Day grabs and 1 x sieving table; 2 x towed UWTV sledges; 3 x 600m umbilical towing cables and associated TV equipment (including back up); COMPASS work: VEMCO deck box, transponder and charging unit for acoustic release;…

    6th June 2019

  • Camera Trials and Nephrops Trawls – An Update

    After a timely departure from Fraserburgh on Saturday the 5th of January, Alba na Mara sailed for the west coast to carry out underwater TV work on Nephrops grounds. The first task involved deploying a time lapse camera, attached to a large frame, in Upper Loch Torridon.  This was followed by a short steam to…

    21st January 2019

  • Camera Trials and Nephrops Trawls

    Survey: 0119A Alba na Mara Programme Duration: 05 – 21 January 2019 Objectives: Calibrate the RoxAnn Acoustic Seabed Mapping System. Obtain video footage to estimate Nephrops burrow entrance size. Compare two different methodologies to establish Nephrops burrow abundance using the sledge and drop frame underwater TV (UWTV) systems. Monitor burrow reconstruction following trawl activity. Trial…

    16th January 2019

  • A Tall Ship Amongst the Nephrops

    Survey: 1318A MRV Alba na Mara Duration: 25th August – 10th September 2018 Another busy week of TV deployments aboard Alba na Mara for the Nephrops Underwater TV (UWTV) Survey. This weeks efforts were concentrated in the Firth of Forth where we managed a total of 56 TV stations and two fishing operations. Poor visibility…

    14th September 2018

  • How Mature are Nephrops?

    Survey : 1318A MRV Alba na Mara Duration: 25 August – 10 September 2018 Objectives: Obtain estimates of the distribution and abundance of Nephrops burrows in the Firth of Forth and the Moray Firth using underwater cameras. Use the TV footage to record the occurrence of other benthic fauna and evidence of commercial trawling activity….

    4th September 2018

  • So, how were the nephrops?

    At the beginning of January, we blogged about the research adventures of the Alba na Mara as she went off in search of nephrops. The Scientist in Charge of that survey got back in touch with us to let us know how they’d got on: The west coast TV survey abroad Alba na Mara spent…

    19th January 2018