Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

FRV Scotia 0487S

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Scotia (749S)
Cruise identifier0487S
Cruise period1987-04-22 — 1987-05-12
Port of departureAberdeen, United Kingdom
Objectives1. To carry out an acoustic survey for herring in the central and northern North Sea.
2. To collect samples for racial studies on North Sea herring.
3. To collect biological data on North Sea mackerel.
4. To collect stomachs for a study on the potential impact of herring and mackerel predation on other fish stocks.
5. To collect plankton samples for data on available prey.
6. To test and develop the multidepth plankton sampler.
7. To collect samples of fish for parasitological studies and for calorimetry studies.
8. To collect water samples for radio caesium monitoring.
9. To measure the amounts of dimethyl sulphide produced by certain species of phytoplankton (UEA).
10. To record seabird abundances and distributions (NCC).
11. To test the ability of the plankton winch to haul an Isaacs Kidd Net.
Chief scientistPeter Hopkins (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Scotia 0487S cruise report sc04_87.pdf — access key 'C' (0.11 MB) 
Ocean/sea areas 
GeneralNorth Sea
Norwegian Sea
North East Atlantic Ocean (limit 40W)
SpecificNorthern North Sea, Orkney, Shetland
Track chartsFRV Scotia 0487S cruise track — trk3348a.html FRV Scotia 0487S cruise track — trk3348b.html
Physical oceanography 
Surface measurements underway (T,S)
Water bottle stationsQuantity: number of stations = 35
Description: surface salinity only
Chemical oceanography 
Other dissolved gases
RadioactivityQuantity: number of stations = 8
Description: water samples taken for radio-caesium analysis.
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)
BirdsQuantity: activity duration in hours = 68
Description: spent recording seabird abundances at sea.
Pelagic fish
Demersal fishDescription: biomass determination
Acoustic reflection on marine organisms.