FRV Scotia 5/81

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Scotia (749S)
Cruise identifier5/81
Cruise period1981-05-20 — 1981-06-08
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1. To undertake monitoring surveys at Bell Rock and St Abbs Head sludge dumping grounds.
2. To carry out a neuston net survey of Bell Rock/St Andrews Bay area to observe the diurnal rhythm of lobster larvae.
3. To conduct a survey of the sea surface off the Tay and Forth estuaries to provide information for a European Space Agency experiment using airborne sensors.
4. To investigate the distribution of heavy metals and pesticides in the sediments of the sludge dumping grounds in the Firth of Forth and in the North Sea (between 56ºN - 59º 15'N).
5. To investigate the benthic communities in parts of the North Sea between latitudes 56N - 59 15'N.
6. To investigate the status of the benthic communities around the Beryl production platform.
Chief scientistAnastasios Eleftheriou (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Scotia 5/81 cruise report sc05_81.pdf (0.15 MB) 
Ocean/sea areas 
GeneralNorth Sea
North East Atlantic Ocean (limit 40W)
SpecificNorthwestern and central North Sea; offshore from Firth of Tay and Firth of Forth; Beryl oil platform area.
Track chartsFRV Scotia 5/81 cruise track — trk2698.html
Physical oceanography 
Surface measurements underway (T,S)
Water bottle stationsDescription: Surface salinity only
Suspended matter
Trace metalsQuantity: number of stations = 108
Petroleum residuesQuantity: number of stations = 4
Chlorinated hydrocarbonsQuantity: number of stations = 108
Bottom depositsQuantity: number of stations = 108
Contaminants in organismsQuantity: number of stations = 6
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)
Particulate organic matter (inc POC, PON)Quantity: number of stations = 108
NeustonQuantity: number of samples = 2
Description: Neuston net samples collected in the relevant area to be examined for presence of lobster larvae.
Eggs and larvaeQuantity: number of samples = 2
ZoobenthosQuantity: number of stations = 108
Description: identification, distribution and biomass determination
Demersal fishQuantity: number of hauls = 3
Geology and geophysics 
Bottom photographyQuantity: number of deployments = 21
Other geological/geophysical measurementsQuantity: number of stations = 108
Description: physical analysis of sediments