Cruise inventory

FRV Mara 10/73

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Mara (74MR)
Cruise identifier10/73
Cruise period1973-10-17 — 1973-11-17
ObjectivesTo measure day and night variations in trawl catches and behaviour of Nephrops, and to make diving observations on the operatioon of the Nephrops trawl and its effect on the sea bed.
Chief scientistColin J Chapman (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Mara 10/73 cruise report mara10_73.pdf — access key 'C' (0.14 MB) 
Ocean/sea areas 
GeneralNorth Sea
Physical oceanography 
Optics (eg underwater light levels)Quantity: number of profiles = 27
Description: light intensity at 10m depth intervals
Biology and fisheries 
CrustaceansQuantity: number of hauls = 27
Description: nephrops survey