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- 7480
FRV Clupea 8/63
Cruise summary report
Cruise Info. | |
Ship name (ship code) | FRV Clupea (74CU) |
Cruise identifier | 8/63 |
Cruise period | 1963-07-15 — 1963-07-20 |
Status | Completed |
Objectives | 1. Vertical migration studies.
2. Experimental fishing with drift nets. |
Chief scientist | John H S Blaxter (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
Cruise report | (0.06 MB) |
Ocean/sea areas | |
General | North Sea |
Measurements | |
Physical oceanography | |
Bathythermograph | Description: Bathythermograph records taken as required by the programme. |
Optics (eg underwater light levels) | |
Biology and fisheries | |
Pelagic fish | Quantity: number of hauls = 68 Description: drift nets |
Acoustic reflection on marine organisms. | Description: echo-traces for herring. |