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

Cruise inventory

FRV Clupea 1092C

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier1092C
Cruise period1992-06-08 — 1992-06-25
Port of departureFraserburgh, United Kingdom
Port of returnFraserburgh, United Kingdom
ObjectivesTo carry out an echo-integrator survey to determine the biomass and distribution of sandeel and clupeid shoals in the Moray Firth and to determine fish species and size composition through trawl sampling. To assess fish predator numbers through demersal trawl sampling and to collect stomach samples for dietary and food consumption analysis. To determine the numbers and distribution of mammalian and avian predators using transect census methods and to collect observation data regarding diet. To determine spatial variation in water temperature and salinity and to assess the biomass and distribution of phytoplankton and zooplankton.
Chief scientistSimon Greenstreet (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 1092C cruise report cl10_92.pdf — access key 'C' (0.13 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificScottish North Sea, Moray Firth
Track chartsFRV Clupea 1092C cruise track — trk3877.html
Physical oceanography 
CTD stationsQuantity: number of stations = 46
Description: top & bottom 1 with T only
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 45
Description: top & bottom
ZooplanktonQuantity: number of hauls = 37
BirdsQuantity: track kilometres = 1000
Description: Seabird survey
Mammals and reptilesQuantity: track kilometres = 1000
Description: Cetacean seal survey
Pelagic fishQuantity: number of hauls = 11
Description: trawls
Demersal fishQuantity: number of hauls = 16
Description: Jackson Rockhopper trawl.
Acoustic reflection on marine organisms.Quantity: track kilometres = 1000
Other biological/fisheries measurementQuantity: number of deployments = 45
Description: drops