Cruise summary report
Cruise Info. | |
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Ship name (ship code) | FRV Explorer (74EX) |
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Cruise identifier | 4/66 |
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Cruise period | 1966-05-28 — 1966-06-16 |
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Status | Completed |
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Port of departure | Aberdeen, United Kingdom |
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Port of return | Aberdeen, United Kingdom |
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Purpose | Research |
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Objectives | 1) West coast herring trawling survey
2) Moray Firth current indicator releases
3) Collection of ripe lemon sole for rearing experiments
4) Cod tagging
5) A good proportion of the cod catch was examined for nematode infestation
6) Temperature and salinities were taken at the surface and bottom at all stations, and at all standard depths at a number of selected stations
7) An analysis was made of the plankton distribution
8) Nephrops larvae were taken at stations along the north coast and off the Butt of Lewis
9) Collections of phytoplankton material were made for Mrs Reid
Calls were made at Kyle on the 07/06/1966 and Stornoway on the 09/06/1966 to effect crew leave changes. The ship return to the North Sea on the 15/06/1966 to release current indicators at stations off Wick and in the Turbot Bank area. |
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Chief scientist | Ian G Baxter (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
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Cruise report | (0.11 MB) |
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Ocean/sea areas | |
General | North Sea |
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Specific | Butt of Lewis, Wick, Turbot Bank, Stanton Banks, west of the Shetlands, Orkney, west of Skerryvore, St. Kilda |
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Measurements | |
Biology and fisheries | |
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Pelagic fish | Description: Prominent species were herring, haddock and spurdogs.1 haul was made for live fish for the aquarium, ripe lemon sole for Mr Symonds |
Pelagic fish | Quantity: number of specimens = 2000 Description: Otoliths from herring were collected and K2 counts and gill rakers were taken from about 900 of these fish |
Demersal fish | Description: Prominent species were herring, haddock and spurdogs.1 haul was made for live fish for the aquarium, ripe lemon sole for Mr Symonds |
Taggings | Quantity: number of specimens = 44 Description: Taggings of Cod |
Other biological/fisheries measurement | Quantity: number of specimens = 2000 Description: Otoliths from herring were collected and K2 counts and gill rakers were taken from about 900 of these fish |
Other biological/fisheries measurement | Quantity: number of samples = 37 Description: Plankton indicator samples Taken for the S.M.B.A Oceanographic Laboratory, Edinburgh |