Resources

FRV Scotia 0313S

Cruise plan

Cruise Info. 
Ship name (ship code)FRV Scotia (748S)
Cruise identifier0313S
Cruise period2013-02-19 — 2013-03-12
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
PurposeFisheries
ObjectivesObjectives

1. Demersal trawling survey of the grounds off the north and west of Scotland in ICES Subarea VIa.
2. To obtain temperature and salinity data from the surface and seabed at each trawling station.
3. Collect additional biological data in connection with the EU Data Collection Framework (DCF).
4. Opportunistic sampling using the Gulf 7 to determine densities of mackerel eggs within the area covered by the trawl survey.

Procedures

General

Loading of the trawl gear and scientific equipment will take place on 15 February with rigging and testing being completed on the same day. Scotia will then sail on the morning of 19 February. A training haul will be undertaken during the passage north to ensure all fishing gear/sensors are working effectively. Scotia will then proceed north and commence fishing operations the next morning on predefined stations off the north Scottish coast and west of 4'W with weather conditions thereafter determining the route taken on the survey.

Trawling

This is a random-stratified survey design with trawl locations being randomly distributed within ten predefined sampling strata (See Figure1). The intention is for trawls to be undertaken on suitable ground as near to the specified sampling position (See Table 1) as is practicable and where possible within a radius of 5 nautical miles of the sampling position. In the event that suitable ground cannot be sourced to trawl at a particular sample location (or within 5nm of) the nearest 'secondary' or additional station will be used. Hauls will be of 30 minutes duration and in the main fishing operations will be restricted to daylight hours between 0700 and 1800 though exact start and finish times will vary slightly according to geographical location. The Scanmar system will be used to monitor the headline height, wing spread and door spread for each haul. Bottom contact data from each trawl will also be collected using the NOAA bottom contact sensor which will be mounted on a bar in the centre of the ground-gear. In addition to the routine sampling, biological data will be collected for target species in line with the EU data regulation. All fish will be processed in accordance with Standing Instructions.

Hydrography

CTD casts will be taken at each trawl station; in addition, the thermosalinograph will run continuously to obtain sea surface temperature and salinity throughout the survey area.

Gulf 7 sampling

Oblique tows will be carried out opportunistically during the hours of darkness using the Gulf 7 Sampler. The intention will be to collect, where possible, one sample within each half statistical rectangle bisected vertically (e.g. 45E1W/45E1E). The daily sampling plan will be discussed and then decided after consultation with the Captain and Fishing Master.

Normal contact will be maintained with the Marine Laboratory.
Chief scientistFinlay Burns (Marine Scotland Aberdeen Marine Laboratory), James Drewery (Marine Scotland Aberdeen Marine Laboratory)
Cruise programmeFRV Scotia 0313S cruise programme 0313s.pdf  (0.06 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
North East Atlantic Ocean (limit 40W)
Track chartsFRV Scotia 0313S cruise track — 0313strk.pdf (0.03 MB) 
Data held at BODC Get data
Series/Profiles 
59  CTD/STD cast
Reference numbers
Temperature of the water column
Vertical spatial coordinates
Salinity of the water column
Concentration of suspended particulate material in the water column
Density of the water column
Electrical conductivity of the water column
Chlorophyll pigment concentrations in water bodies
Reference numbers
Temperature of the water column
Vertical spatial coordinates
Salinity of the water column
Concentration of suspended particulate material in the water column
Density of the water column
Electrical conductivity of the water column
Chlorophyll pigment concentrations in water bodies

BODC idDate/TimeLocationDoc.
12121172013-02-20 14:45 59° 40' 40" N  4° 14' 51" W  View metadata report for BODC series reference number 1212117
12122582013-02-23 12:02 59° 18' 12" N  5° 54' 11" W  View metadata report for BODC series reference number 1212258
12123512013-02-26 07:03 57° 31' 6" N  8° 32' 0" W  View metadata report for BODC series reference number 1212351
12123992013-02-26 18:00 56° 51' 38" N  8° 20' 31" W  View metadata report for BODC series reference number 1212399
12124312013-02-27 13:44 55° 19' 23" N  9° 44' 33" W  View metadata report for BODC series reference number 1212431
12124552013-02-28 09:31 54° 49' 22" N  9° 59' 58" W  View metadata report for BODC series reference number 1212455
12124792013-02-28 16:03 54° 44' 37" N  9° 31' 21" W  View metadata report for BODC series reference number 1212479
12125232013-03-01 15:38 55° 3' 3" N  9° 5' 39" W  View metadata report for BODC series reference number 1212523
12126762013-03-09 06:31 57° 33' 13" N  6° 45' 28" W  View metadata report for BODC series reference number 1212676
12121662013-02-21 15:15 58° 51' 24" N  4° 38' 41" W  View metadata report for BODC series reference number 1212166
12121782013-02-21 18:26 58° 49' 55" N  4° 47' 0" W  View metadata report for BODC series reference number 1212178
12122102013-02-22 12:59 58° 32' 52" N  6° 55' 53" W  View metadata report for BODC series reference number 1212210
12124922013-03-01 07:11 55° 47' 42" N  9° 4' 23" W  View metadata report for BODC series reference number 1212492
12125112013-03-01 09:40 55° 33' 2" N  8° 50' 28" W  View metadata report for BODC series reference number 1212511
12125472013-03-02 07:01 55° 57' 38" N  7° 58' 30" W  View metadata report for BODC series reference number 1212547
12125592013-03-02 09:48 55° 35' 53" N  7° 53' 49" W  View metadata report for BODC series reference number 1212559
12126642013-03-08 12:25 56° 28' 9" N  7° 53' 4" W  View metadata report for BODC series reference number 1212664
12122342013-02-23 06:58 58° 51' 3" N  6° 8' 14" W  View metadata report for BODC series reference number 1212234
12123382013-02-25 16:53 57° 52' 41" N  8° 52' 35" W  View metadata report for BODC series reference number 1212338
12125602013-03-02 13:11 55° 18' 34" N  8° 8' 17" W  View metadata report for BODC series reference number 1212560
12126392013-03-07 14:43 56° 55' 50" N  6° 51' 35" W  View metadata report for BODC series reference number 1212639
12126402013-03-07 18:01 56° 44' 55" N  7° 11' 37" W  View metadata report for BODC series reference number 1212640
12126882013-03-09 11:08 57° 54' 40" N  6° 11' 59" W  View metadata report for BODC series reference number 1212688
12120982013-02-20 07:26 59° 12' 19" N  4° 16' 32" W  View metadata report for BODC series reference number 1212098
12121052013-02-20 10:46 59° 15' 11" N  4° 51' 53" W  View metadata report for BODC series reference number 1212105
12121292013-02-20 19:05 59° 57' 56" N  4° 49' 59" W  View metadata report for BODC series reference number 1212129
12122092013-02-22 10:34 58° 43' 46" N  6° 54' 42" W  View metadata report for BODC series reference number 1212209
12122222013-02-22 15:29 58° 36' 53" N  6° 21' 7" W  View metadata report for BODC series reference number 1212222
12122462013-02-23 09:14 59° 0' 17" N  5° 55' 40" W  View metadata report for BODC series reference number 1212246
12122952013-02-24 08:21 58° 42' 17" N  7° 42' 42" W  View metadata report for BODC series reference number 1212295
12123262013-02-25 06:36 58° 33' 47" N  8° 27' 43" W  View metadata report for BODC series reference number 1212326
12124062013-02-26 21:29 56° 29' 22" N  8° 27' 4" W  View metadata report for BODC series reference number 1212406
12124182013-02-27 06:00 56° 16' 27" N  9° 9' 28" W  View metadata report for BODC series reference number 1212418
12125842013-03-04 15:40 55° 28' 13" N  5° 0' 54" W  View metadata report for BODC series reference number 1212584
12126272013-03-07 12:01 57° 5' 44" N  6° 46' 27" W  View metadata report for BODC series reference number 1212627
12121302013-02-21 07:01 59° 28' 36" N  5° 31' 0" W  View metadata report for BODC series reference number 1212130
12122832013-02-23 18:44 59° 1' 47" N  6° 59' 22" W  View metadata report for BODC series reference number 1212283
12123872013-02-26 15:04 56° 55' 3" N  8° 40' 52" W  View metadata report for BODC series reference number 1212387
12124432013-02-28 06:02 54° 36' 33" N  10° 17' 16" W  View metadata report for BODC series reference number 1212443
12124802013-02-28 19:22 55° 3' 30" N  9° 31' 58" W  View metadata report for BODC series reference number 1212480
12127072013-03-09 14:10 57° 43' 4" N  5° 57' 59" W  View metadata report for BODC series reference number 1212707
12123142013-02-24 20:03 58° 15' 25" N  8° 48' 18" W  View metadata report for BODC series reference number 1212314
12123632013-02-26 09:15 57° 28' 36" N  8° 50' 9" W  View metadata report for BODC series reference number 1212363
12123752013-02-26 12:56 57° 4' 49" N  8° 45' 0" W  View metadata report for BODC series reference number 1212375
12121542013-02-21 11:20 59° 14' 22" N  5° 15' 46" W  View metadata report for BODC series reference number 1212154
12121912013-02-22 07:04 58° 47' 11" N  7° 36' 42" W  View metadata report for BODC series reference number 1212191
12122712013-02-23 14:36 59° 20' 23" N  6° 28' 1" W  View metadata report for BODC series reference number 1212271
12126032013-03-06 19:01 56° 10' 49" N  6° 32' 8" W  View metadata report for BODC series reference number 1212603
12126522013-03-08 07:53 56° 22' 41" N  8° 1' 43" W  View metadata report for BODC series reference number 1212652
12125352013-03-01 16:55 55° 4' 4" N  8° 47' 32" W  View metadata report for BODC series reference number 1212535
12125962013-03-06 15:35 55° 55' 42" N  6° 39' 56" W  View metadata report for BODC series reference number 1212596
12127322013-03-10 10:35 58° 28' 32" N  5° 34' 49" W  View metadata report for BODC series reference number 1212732
12127192013-03-09 18:12 58° 4' 19" N  5° 44' 34" W  View metadata report for BODC series reference number 1212719
12127202013-03-10 07:34 58° 11' 26" N  5° 35' 33" W  View metadata report for BODC series reference number 1212720
12125722013-03-02 19:34 55° 31' 49" N  6° 59' 22" W  View metadata report for BODC series reference number 1212572
12124672013-02-28 13:09 54° 28' 18" N  9° 35' 10" W  View metadata report for BODC series reference number 1212467
12121422013-02-21 09:08 59° 20' 8" N  5° 13' 13" W  View metadata report for BODC series reference number 1212142
12123022013-02-24 16:08 57° 58' 59" N  8° 40' 31" W  View metadata report for BODC series reference number 1212302
12126152013-03-07 06:04 56° 41' 28" N  6° 19' 12" W  View metadata report for BODC series reference number 1212615