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FRV Clupea 1092C
Cruise summary report
Cruise Info. | |
Ship name (ship code) | FRV Clupea (74CU) |
Cruise identifier | 1092C |
Cruise period | 1992-06-08 — 1992-06-25 |
Status | Completed |
Port of departure | Fraserburgh, United Kingdom |
Port of return | Fraserburgh, United Kingdom |
Purpose | Research |
Objectives | To 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 scientist | Simon Greenstreet (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory) |
Cruise report | (0.13 MB) |
Ocean/sea areas | |
General | North Sea |
Specific | Scottish North Sea, Moray Firth |
Track charts | |
Measurements | |
Physical oceanography | |
CTD stations | Quantity: 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 |
Zooplankton | Quantity: number of hauls = 37 |
Birds | Quantity: track kilometres = 1000 Description: Seabird survey |
Mammals and reptiles | Quantity: track kilometres = 1000 Description: Cetacean seal survey |
Pelagic fish | Quantity: number of hauls = 11 Description: trawls |
Demersal fish | Quantity: number of hauls = 16 Description: Jackson Rockhopper trawl. |
Acoustic reflection on marine organisms. | Quantity: track kilometres = 1000 |
Other biological/fisheries measurement | Quantity: number of deployments = 45 Description: drops |