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. |
