RV Cirolana CIR2/87
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cirolana (74CZ) |
| Cruise identifier | CIR2/87 |
| Cruise period | 1987-01-23 — 1987-02-19 |
| Status | Completed |
| Port of departure | Lowestoft, United Kingdom |
| Port of return | Lowestoft, United Kingdom |
| Purpose | Fisheries |
| Objectives | 1. To participate in the ICES International Young Fish Survey.
2. To sample post-larvae herring and sprat using the Isaacs-Kidd midwater-trawl. 3. To take bottom and surface temperature and salinity readings and collect nutrient samples on each trawl stations. 4. To collect and preserve stomachs of cod, whiting and saithe for the ICES North Sea Stomach Sampling project. 5. To obtain during the survey, frozen dab samples from the Humber-Dogger area for parasitological monitoring (Mr Rowlatt, Burnham), small gadoids for fish feeding experiments (Dr Bromley), frozen samples of long rough dabs for population studies (Mr Ntiba). 6. To obtain additional samples of herring from the central and southern North Sea for morphometric studies using the portable X-ray machine. |
| Chief scientist | R G Houghton (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Project | IYFS |
| Coordinating body | ICES |
| Cruise report |  (0.18 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | North Sea |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Water bottle stations | Quantity: number of stations = 62 Description: top & bottom 1 with T only |
| Chemical oceanography | |
| Nitrate | Quantity: number of samples = 124 Description: data rejected by originator |
| Nitrite | Quantity: number of samples = 124 Description: data rejected by originator |
| Silicate | Quantity: number of samples = 124 |
| Biology and fisheries | |
| Pelagic fish | Quantity: number of hauls = 94 Description: Isaac-Kidd midwater trawl. |
| Demersal fish | Quantity: number of hauls = 64 Description: GOV trawls. |
