Cruise Info. | |
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Ship name (ship code) | FRV Explorer (74EX) |
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Cruise identifier | 9B/68 |
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Cruise period | 1968-11-06 — 1968-11-23 |
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Status | Completed |
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Port of return | Leith, United Kingdom |
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Purpose | Research |
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Objectives | 1) Trawling survey of the west coast of Scotland
2) A search was made for current meter buoys and drogues set in position by the hydrographic section SE of Ythan
''Explorer'' anchored in Cromarty for repairs. Strong winds over Minch, outer Hebrides, west of Harris and on the edge of the shelf meant stations could not be worked in these locations. The ship put into Campbeltown on the 20/11/1968 to disburse fortnightly pay to the crew |
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Chief scientist | Richard B Burns (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory), Rodney Jones (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
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Cruise report | (0.23 MB) |
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Ocean/sea areas | |
General | North Sea |
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Specific | SE of Ythan, Pentland Firth, W of Orkney, Rona, Sulisker, upper and lower Minches, Clyde Sea area, Stanton Bank, SW of Barra Head |
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Measurements | |
Physical oceanography | |
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Water bottle stations | Quantity: number of stations = 24 Description: T surface only (data for both parts of the cruise) |
Chemical oceanography | |
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Oxygen | |
Phosphate | |
Nitrate | |
Silicate | |
Biology and fisheries | |
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Zooplankton | Quantity: number of stations = 24 Description: Multidepth indicator samples were taken at most stations SMBA Edinburgh. (data for both parts of the cruise) |
Demersal fish | Description: 1 hour trawls made with the 48 ft Granton trawl of courlene, with rubber bobbins, and a small mesh cover. Haddock, whiting, cod, hake, ling, saithe and T. esmarkii were the principal species recorded. Dogfish were present in small numbers in all hauls. (data for both parts of the cruise) |
Exploratory fishing | Description: 1 hour trawls made with the 48 ft Granton trawl of courlene, with rubber bobbins, and a small mesh cover. Haddock, whiting, cod, hake, ling, saithe and T. esmarkii were the principal species recorded. Dogfish were present in small numbers in all hauls. (data for both parts of the cruise) |