Cruise inventory

FRV Mara 9/75

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Mara (74MR)
Cruise identifier9/75
Cruise period1975-08-11 — 1975-08-27
StatusCompleted
Port of departureBuckie, United Kingdom
Port of returnBuckie, United Kingdom
PurposeResearch
ObjectivesPart 1
1) To investigate the potential of two sites in the vicinity of Bell Rock and St Abbs Head as sites for sewage sludge dumping
2) To sample a transect between Middle Craig and Joppa in the Firth of Forth for comparison with previously collected intertidal sampling

Part 2
To investigate mercury, copper, lead, zinc, and cadmium in water, particulate matter, and surface film at 14 stations in the Firth of Forth

Due to fog, ''Mara'' dropped anchor off in the Tay estuary, arriving in Dundee on the 12/09/1975 to embark crew members. Sailing was delayed until the 13/09/1975. The ship returned to Methil on the 16/08/1975 to disembark a crew member, sailing again on the 17/08/1975. An extra series of stations were worked on the 27/08/1975.
Chief scientistDerek C Moore (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory), Ian M Davies (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Mara 9/75 cruise report mara9_75.pdf — access key 'C' (0.09 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificMiddle Craig, Firth of Forth, Joppa, Bell Rock, St Abbs Head
Measurements 
Contamination 
Trace metalsQuantity: number of samples = 22
Description: mercury, copper, lead, zinc, and cadmium
Bottom depositsQuantity: number of samples = 34
Description: 7 soil samples from the sampling area between Middle Craig and Joppa
Contaminants in organismsQuantity: number of samples = 34
Biology and fisheries 
ZoobenthosQuantity: number of samples = 59
Description: 86 macrobenthos and 18 meiobenthos from Bell Rock and St Abbs Head. 20 macrobenthos from the sampling area between Middle Craig and Joppa
Geology and geophysics 
Other geological/geophysical measurementsQuantity: number of samples = 58
Description: physical and chemical analysis of sediments