Cruise summary report
Cruise Info. | |
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Ship name (ship code) | FRV Mara (74MR) |
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Cruise identifier | 9/75 |
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Cruise period | 1975-08-11 — 1975-08-27 |
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Status | Completed |
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Port of departure | Buckie, United Kingdom |
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Port of return | Buckie, United Kingdom |
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Purpose | Research |
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Objectives | Part 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. |
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Chief scientist | Derek 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) |
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Cruise report | (0.09 MB) |
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Ocean/sea areas | |
General | Irish Sea and St. George's Channel |
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Specific | Middle Craig, Firth of Forth, Joppa, Bell Rock, St Abbs Head |
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Measurements | |
Contamination | |
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Trace metals | Quantity: number of samples = 22 Description: mercury, copper, lead, zinc, and cadmium |
Bottom deposits | Quantity: number of samples = 34 Description: 7 soil samples from the sampling area between Middle Craig and Joppa |
Contaminants in organisms | Quantity: number of samples = 34 |
Biology and fisheries | |
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Zoobenthos | Quantity: 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 | |
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Other geological/geophysical measurements | Quantity: number of samples = 58 Description: physical and chemical analysis of sediments |