Marine
109 returned results for 'Alba na Mara'
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Monitoring the Effect of Noise on Marine Environments
Survey: 0418A Duration: 25 March – 11 April 2018 Gear: Subsurface passive acoustic moorings (incl. cetacean detectors and sound recorders); Subsurface VEMCO VR2 salmon tag detector moorings; and Subsurface Acoustic Doppler Current Profiler (ADCP) mooring. Objectives: To deploy 95 moorings with VR2 salmon detectors between Ythan Estuary and Findon Ness (‘outer array’ shown on Figure…
26th March 2018
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Bright lights; Big fish trials
Survey: 0318A Duration: 8-22 March 2018 Equipment: BT 201 Prawn net – rigged with separator grid and two 80mm codends; Trawl doors, sweeps, bridles, backstrops and pennants; Spare netting and twine; Safety-Net Technologies light unit; PSL5000 light unit x 2; Lindgren Pitman Electralume light x10; 4 x 10m side emitting light cables; Battery pods; Video…
2nd March 2018
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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
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Finding flatfish in the Forth and Fife
Duration: 30 November – 4 December Sampling Gear: BT 158 with 50 mm cod-end 2 m beam trawl with 50 mm cod-end Day grab and table Catamaran and neuston net Objectives To undertake flatfish sampling in St Andrews Bay, inner Firth of Forth, and the Forth estuary in support of the Clean Seas Environment Monitoring…
1st December 2017
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Hearing things with COMPASS
On November 6th the Alba na Mara set sail once more to deploy acoustic listening devices in the west coast of Scotland. A total of six moorings containing broadband sound recording devices and cetacean echolocation “click detectors” were to be deployed during the trip. The map below gives the planned locations for deployment. These deployments…
29th November 2017
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Collecting PAM’s things
Duration: 18-27 November 2017 Gear: Surface and subsurface PAM moorings Objectives: To retrieve a series of moorings comprising dhan buoys (eight surface marked moorings) or acoustic release systems (22 subsurface moorings) and the acoustic recording devices attached to them (30 C-POD and 10 SM2M/SM3M) as part of the east coast marine mammal monitoring programme (see…
20th November 2017
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At Loggerheads with PAM
Duration: 6-13 November 2017 Gear: Sub-surface passive acoustic monitoring (PAM) moorings. Objectives: To retrieve a previously deployed series of moorings comprising acoustic release systems (eight subsurface acoustic release moorings) and the acoustic recording devices attached to them (eight C-POD and three Loggerhead broadband units). Nine moorings were deployed originally however, one of these (Soay) has…
6th November 2017
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Clyde Herring Acoustic Survey
Duration: 20 October – 3 November 2017 Sampling Equipment: PT154, CTD Objectives: To conduct an acoustic survey designed to survey both the open and enclosed areas of the Clyde to ultimately provide an estimate of the abundance and distribution of herring and sprat. To obtain samples of herring and sprat for biological analysis, including…
18th October 2017
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Scallop Dredging and Octopus Spotting
Last month our Ships Co-ordinator joined the Alba na Mara for a day to observe colleagues during the East Coast Scallop Dredging Survey 0917A. The aim of this visit was to get a better understanding of the scallop dredging process, the equipment and techniques used, and the challenges associated with this sampling method. The feedback…
14th July 2017
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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