Cruise inventory

FRV Mara 4/73

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Mara (74MR)
Cruise identifier4/73
Cruise period1973-05-03 — 1973-05-10
StatusCompleted
Port of departureCorpach, United Kingdom
PurposeResearch
Objectives1) Setting out of sediment traps. Sediment samplers were then triggered and retrieved
2) Routine chemical sampling
3) Plankton collections using the Icelandic high-speed sampler
4) An intensive network of core samples was taken and measured on board for pH and redox potential
5) A grid of tow net hauls was made covering both lochs and also part of L.Linnhe out to and well beyond the Corran Narrows
6) BOD sampling
7) Attempts will be made to determine the pulp fibre content by enzyme digestion of algae and zooplankton, and by carbohydrate estimations

New crew members embarked on the 07/05/1973
Chief scientistRobert Johnston (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Mara 4/73 cruise report mara4_73.pdf — access key 'C' (0.06 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
SpecificLoch Eil, Loch Linnhe, Corran Narrows, Annat Narrows
Measurements 
Chemical oceanography 
pH
Biology and fisheries 
Phytoplankton
Zooplankton