FRV Mara 8A/70

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Mara (74MR)
Cruise identifier8A/70
Cruise period1970-09-14 — 1970-10-02
Port of departureBuckie, United Kingdom
Port of returnBuckie, United Kingdom
Objectives1) Further observation and recording of the behaviour of round and flatfish during demersal fishing
2) Recording the change in shape of a 'wing' seine net by means of instrument records of spread, headline height, and photographs of warp divergence determining the warp tensions developed during fishing, and the sinking rates and behaviour of the ropes during fishing.
3) Underwater photometry to correlate underwater visibility with fish behaviour
4) Co-operative working with FRV 'Clupea' on sea trials of the 'Towed Underwater Vehicle' mock-up.

The first week of the cruise was based in Buckie, and the second week of the cruise was based in Wick. The final week of the seine net programme was based in Buckie
Chief scientistC C Hemmings (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Mara 8A/70 cruise report mara8_70.pdf (0.13 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificMoray Firth, Dornoch Firth
Biology and fisheries 
Gear researchDescription: instrumented haddock seine trials