Tridens
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | Tridens (64T2) |
| Cruise period | 1991-05-27 — 1991-05-31 |
| Status | Completed |
| Purpose | Research |
| Objectives | 1) To compare performance of 12 m beam trawls rigged for plaice and sole fishing
2) To measure survival of various benthic invertebrates caught by two methods of fishing 3) To identify and measure sizes of animals and survival of fish which pass through sole net within 5 minutes of fishing 4) To examine penetration of gear into seabed by side scan sonar and underwater television 5) To take box core samples of seabed 6) To test benthos sampling dredge |
| Chief scientist | W Blom (Netherlands Institute for Fisheries Research) |
| Cruise report |  (1.04 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | Coastal waters north and west of the Dutch Frisian Islands |
| Measurements | |
| Biology and fisheries | |
| Gear research | Description: Comparing the catches of two 12m beam trawls rigged for plaice and sole fishing. |
| Other biological/fisheries measurement | Description: Investigating the effect of beam-trawls on the benthos, |
| Geology and geophysics | |
| Core - soft bottom | Description: Box-cores. |
| Long/short range side scan sonar |
