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- 7532
FRV Clupea 5/69
Cruise summary report
Cruise Info. | |
Ship name (ship code) | FRV Clupea (74CU) |
Cruise identifier | 5/69 |
Cruise period | 1969-04-07 — 1969-05-01 |
Status | Completed |
Port of departure | Buckie, United Kingdom |
Port of return | Buckie, United Kingdom |
Purpose | Trials |
Objectives | a) To compare the performance of three kinds of trawl boards, 1) flat, 2) V-type, 3) curved, and
b) To obtain data on the selection of a courlene cod-end covered by a large mesh Ulstron net. |
Chief scientist | William B Hall (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
Cruise report | (0.06 MB) |
Ocean/sea areas | |
General | North Sea |
Specific | Fishing grounds off Copinsay, Orkney. |
Measurements | |
Biology and fisheries | |
Pelagic fish | Quantity: activity duration in days = 19 Description: Comparative fishing trawls carried out beginning off Copinsay. Hauls of 40-50 baskets made mainly of haddock and whiting. During the cruise two different cod-ends were used approx 70 and 80 mm. 24th April - 1st May grounds fished at Copinsay. Further fishng at the Moray Firth |
Gear research | Quantity: number of hauls = 1 Description: An experimental haul using curved doors was made |