Mirfak 1/89

Cruise summary report

Cruise Info. 
Ship nameMirfak
Cruise identifier1/89
Cruise period1989-03-30 — 1989-04-17
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
ObjectivesTo investigate the spatial relationships between late larval and early "O"-group herring, and potential predators in the northern North Sea (Duplicate roscop no 3575)
Chief scientistMike R Heath (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory)
Cruise reportMirfak 1/89 cruise report mirfak_mar89.pdf (0.12 MB) 
Ocean/sea areas 
GeneralNorth Sea
Track chartsMirfak 1/89 cruise track — trk3546.html Mirfak 1/89 cruise track — trk3575.html
Physical oceanography 
Surface measurements underway (T,S)Description: whole cruise
CTD stations
Subsurface temperature and salinity measurements
Transparency (eg transmissometer)
Optics (eg underwater light levels)
Chemical oceanography 
Other chemical oceanographic measurementsDescription: nutrients
Biology and fisheries 
Primary productivity
PhytoplanktonDescription: Methot Isacc Kidd trawl
ZooplanktonQuantity: 64
Description: Ocean Sampler
Pelagic fishQuantity: number of hauls = 18
Description: Trawl and Pelagic trawl,
Demersal fish
Geology and geophysics 
Multi-beam echosounding