Harmil 7/87
Cruise summary report
| Cruise Info. | |
| Ship name | Harmil |
| Cruise identifier | 7/87 |
| Cruise period | 1986-08-17 — 1986-09-22 |
| Status | Completed |
| Port of departure | Conwy, United Kingdom |
| Port of return | Conwy, United Kingdom |
| Purpose | Research |
| Objectives | Cruises with Arctic Ranger, Harmil, Mary and Rose.
1. To carry out three inshore beam trawl surveys of parts of the Irish Sea and West Wales coasts. 2. To sample juvenile fish and identify sole nursery grounds. Survey 1: Beam trawl survey of the Conwy Bay area, 17th-18th August. Survey 2: repeat of 1, 7th September. Survey 3: beam trawl stations fished, 21st-22nd September. |
| Chief scientist | Stuart Ian Rogers (Ministry of Agriculture, Fisheries and Food Conwy Laboratory) |
| Cruise report |  (0.06 MB) |
| Ocean/sea areas | |
| General | Irish Sea and St. George's Channel |
| Specific | Conwy Bay area |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: number of stations = 146 Description: (in total for all 4 ships) recorded at each station during survey 1, repeated in survey 2 and 3 |
| Biology and fisheries | |
| Demersal fish | Quantity: number of specimens = 30 Description: (in total for all 4 ships) 1-group soles returned live to the laboratory for tag-retention trials. |
| Demersal fish | Quantity: number of stations = 146 Description: (in total for all 4 ships) 2m beam trawl for survey 1, repeated in survey 2 and 3; all flatfish were identified, measured and counted, other species were identified and counted |
| Other biological/fisheries measurement | Description: 0-group sole and solenettes were preserved for gut content analysis |
| Other biological/fisheries measurement | Description: 0-group soles collected for electrophoretic studies and frozen |
