Marine
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Finding flatfish in the Forth and Fife
1st December 2017 by Marine Scotland Communications
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...
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Hearing things with COMPASS
29th November 2017 by Marine Directorate Communications
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...
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Collecting PAM’s things
20th November 2017 by Marine Scotland Communications
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...
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Testing the water with an International Bottom Trawl Survey
13th November 2017 by Marine Directorate Communications
Duration: 13 November – 3 December 2017 Fishing Gear: GOV Trawl (BT137) and ground gear D (hoppers) Objectives: To participate in the ICES co-ordinated western division demersal trawling survey. To obtain temperature and salinity data profiles at each trawling position. To collect additional biological data in connection with the EU data collection framework (DCF). Procedures:...
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At Loggerheads with PAM
6th November 2017 by Marine Scotland Communications
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...
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Looking for flatfish with the Sir John Murray
30th October 2017 by Marine Directorate Communications
Duration: 31 October – 8 November 2017 Sampling Gear: Scottish Environment Protection Agency (SEPA) – 2 m beam trawl with 50 mm cod-end SEPA – Demersal trawl with 50 mm cod-end SEPA – Day grab and table Marine Scotland Science (MSS) – Catamaran and neuston net Objectives: To undertake flatfish and sediment sampling in the...
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Where do fish live?
23rd October 2017 by Marine Directorate Communications
Last week, our scientists were involved in a programme aimed at providing fine-scale data on the habitat associations of cod, haddock and whiting at a key period in their life history – following the transition from pelagic to demersal habitat. The programme also provided them with an opportunity to add to the fish trap and fixed-position baited underwater...
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Jointly Surveying Marine Protected Areas
20th October 2017 by Marine Directorate Communications
Duration: 20 October – 9 November 2017 Fishing Gear TV drop frame and wiring harness TV sledge and wiring harness Valeport mini-CTD 0.25m2 USNEL BSL Box core 0.1m mini Hamon grab 0.1m Day Grab (backup) 0.1m Van Veen Grab (backup) Background Marine Scotland Science (MSS) and the Joint Nature Conservation Committee (JNCC) will undertake an...
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Clyde Herring Acoustic Survey
18th October 2017 by Marine Directorate Communications
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...
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Clyde 2020 – Sampling the sediment
11th October 2017 by Marine Directorate Communications
Duration: 13-17 October 2017 Fishing Gear: Craib corer Day Grab – 0.1m2 Autosieve (0.5mm & 1mm mesh sieves) CTD Objectives: To map spatial distribution of sediment characteristics, infauna composition, pore-water nutrients and organic matter content within the inner Firth of Clyde, Clyde sea lochs and Clyde Estuary. To map the relationship between mean particle grain...