Marine

  • Nephrops Activity on the West Coast

    9th January 2020 by

    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…

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  • Camera Trials and Nephrops Trawls – An Update

    21st January 2019 by

    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…

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  • Camera Trials and Nephrops Trawls

    16th January 2019 by

    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…

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