30 returned results for 'nephrops'

  • 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

  • Watching nephrops on TV

    Duration: 6 – 22 January 2018 Gear Large TV drop frame TV sledge 1 x 600m umbilical towing cable 1 x armoured cable Video cameras and associated equipment (plus backup) Four lasers and 60cm bracket for the drop frame 1 x BT201 prawn trawl (plus minimal spares) Day grab and table Prawn sorting table Go…

    5th January 2018

  • Report of Fishing Industry Science Alliance (FISA) Project: Effects of Codend Mesh Size and Twine Number on Nephrops Selectivity

    Experimental fishing trials carried out on the West Coast have shown that the selectivity of Nephrops improves as the mesh size increases from 80 to 100 and to 120 mm. Similarly, more juvenile whiting and haddock also escape as the mesh size increases. The results provide more information on the selectivity of Nephrops in towed fishing…

    18th March 2015

  • MRV Scotia; Survey 0714S – Nephrops Television Survey Update

    It’s been over a week since we left Aberdeen on a grey, foggy day. Normally, at this time of year, these conditions would not be warmly welcomed. However a) we sailed from Aberdeen so didn’t expect much better, and b) these features meant there would be very little wind, which is ideal for the annual…

    17th June 2014

  • MRV Scotia; Survey 0714S – Nephrops Television Survey

    The MRV Scotia began her annual North Sea and West coast Nephrops Television Survey last week.  The main areas in which the survey will take place are shown in the figure below.  A combination of two approaches will be used to derive the survey positions.  The majority of stations will be generated by employing the…

    13th June 2014

  • Multi-tasking with the Scotia

    MRV Scotia left Aberdeen on 3rd June 2018 to begin survey 0818S – the ‘Annual Nephrops Underwater TV Survey’ (UWTV) – covering Fladen (North Sea), the North and South Minches, the Clyde, and the Sound of Jura. TV operations went well during the first day until the sea state worsened so the survey was halted until early on…

    19th June 2018

  • Celebrating the Year of the Engineer – a sledge isn’t just for Christmas

    For many years, Marine Scotland scientists and engineers have designed, built and deployed towed underwater TV sledges to view the sea bed. These sledges provide a relatively stable platform to study a variety of species and monitor various underwater sites. With experience, the design used in nephrops work has evolved and along with a forward…

    6th March 2018

  • Crab and Lobster Fisheries in Scotland: Results of Stock Assessments 2013 – 2015

    Today, Marine Scotland published the latest in its Scottish Marine & Freshwater Science series – Crab and Lobster Fisheries in Scotland: Results of Stock Assessments 2013 – 2015. Crabs and lobsters are important species for the Scottish fishing industry. Although the total quantity landed is small relative to finfish landings, crab and lobster attain high…

    16th October 2017

  • There be prawns!

    Earlier, we posted information about the 7th research survey that our research vessel, the Alba na Mara was doing. Here we have the final blog from the Scientist in Charge on that survey, Adrian Weetman: Following the long journey from Fladen to the west coast on Monday 12th June, the annual Nephrops Under Water TV Survey began working in…

    22nd June 2017

  • Latest update from the MRV Scotia survey 0717S – the 7th of the year

    Duration: 6- 26 June 2017 Gear onboard:   2 x Scotia BT175 80mm prawn trawls 2 x Day grabs and 1 x sieving table 2 x towed UWTV sledges 2 x 600m umbilical towing cables and associated TV equipment (including back up) Objectives To obtain estimates of the abundance and distribution of Nephrops burrow complexes at…

    15th June 2017