Cruise inventory

FRV Mara 9/73

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Mara (74MR)
Cruise identifier9/73
Cruise period1973-09-10 — 1973-10-06
Port of departureDundee, United Kingdom
Port of returnDundee, United Kingdom
Objectives1. Weeks 1-3: Observation and photography by divers of the behaviour of flatfish during the process of demersal seining.
2. Weeks 1-3: Sampling of fish at various stages during fishing of flatfish in the mouth of the net.
3. Weeks 2 or 3: A vinge trawl fitted with divertors to assess the effect of them on the rate of net closure.
4. At any time when the weather is sustainable: A complete photographic record in black and white and colour, in 16mm, 35mm and 2 1/4 square to be made of the methods and techniques used in the seine net programme.
5. Week 4: The sector scanner on board FRV 'Clione' to be used to assess the change in rope shape and the effect of ropes on herding. If possible, acoustic tagged fish to be released at critical positions for subsequent tracking.
Chief scientistC C Hemmings (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Mara 9/73 cruise report mara9_73.pdf — access key 'C' (0.21 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificSt Andrew's Bay
Biology and fisheries 
Demersal fishDescription: Fish behaviour studies
Gear researchDescription: Gear performance monitored.