| Cruise Info. | |
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| Ship name (ship code) | FRV Mara (74MR) |
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| Cruise identifier | 8/73 |
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| Cruise period | 1973-08-01 — 1973-08-29 |
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| Status | Completed |
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| Port of departure | Troon, United Kingdom |
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| Port of return | Troon, United Kingdom |
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| Purpose | Research |
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| Objectives | 1. Hydrobiological survey of the Firth of Clyde.
2. Near bottom plankton sampling with Dr.Beyer's bottom plankton sampler.
3. Juvenile plaice survey. |
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| Chief scientist | Alasdair D McIntyre (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory), D J Murison (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory), James A Adams (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory), Richard B Burns (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
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| Cruise report | (0.15 MB) |
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| Ocean/sea areas | |
| General | Inner Seas off the West Coast of Scotland |
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| Specific | Firth of Clyde |
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| Measurements | |
| Physical oceanography | |
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| Water bottle stations | Quantity: number of stations = 30 |
| Surface drifters/drifting buoys | Quantity: number of deployments = 1 Description: drogues |
| Chemical oceanography | |
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| Oxygen | Quantity: number of stations = 30 |
| Phosphate | Quantity: number of stations = 30 |
| Nitrate | Quantity: number of stations = 30 |
| Total - N | Quantity: number of stations = 30 |
| Ammonia | Quantity: number of stations = 30 |
| Silicate | Quantity: number of stations = 30 |
| Contamination | |
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| Trace metals | Quantity: number of stations = 10 |
| Biology and fisheries | |
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| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of stations = 30 |
| Particulate organic matter (inc POC, PON) | Quantity: number of stations = 30 |
| Phytoplankton | Quantity: number of stations = 10 Description: counts |
| Zooplankton | Quantity: number of stations = 10 |