FRV Clupea 0686C_1
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Clupea (74CU) |
| Cruise identifier | 0686C_1 |
| Cruise period | 1986-04-30 — 1986-05-14 |
| Status | Completed |
| Port of departure | Buckie, United Kingdom |
| Port of return | Buckie, United Kingdom |
| Purpose | Research |
| Objectives | 1. To compare the separation between codend and cover when using diamond and square mesh covers.
2. To film the effect on small mesh codend cover shape of speed changes between 2 and 3.5 knots to ascertain possible codend selection variation caused by codend and cover separation. 3. To measure the mesh opening of a codend with half the normal number of meshes on its circumference. 4. To film and measure the engineering performance of a twin trawl with a view to using it for comparative fishing experiments. 5. To film a tapered square mesh codend. |
| Chief scientist | Jack H B Robertson (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.10 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | Orkney/ North Coat |
| Measurements | |
| Biology and fisheries | |
| Gear research | Description: Comparisons of different cod-ends and the performance of a twin trawl. |
