Helene
Cruise summary report
| Cruise Info. | |
| Ship name | Helene |
| Cruise period | 1987-05-03 — 1987-06-20 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Aberdeen, United Kingdom |
| Purpose | Research |
| Objectives | 1. To obtain information on the selectivity of a commercial (Jackson) 400-500 hp seine net in relation to changes in codend mesh size, codend diameter and length of extension.
2. To investigate the behaviour of a commercial (Duthie) 700 high headline seine net when alterations are made to codend diameter and extension length. 3. To carry out oberservations on the Jackson 400-500 hp seine net. |
| Chief scientist | Kenneth A Coull (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.04 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | Spey Bay, Dornoch Firth |
| Measurements | |
| Biology and fisheries | |
| Gear research | Quantity: number of hauls = 166 Description: A number of hauls were made throughout the cruise to monitor the gear effectivness. |
