RV Cirolana CIR3/77
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cirolana (74CZ) |
| Cruise identifier | CIR3/77 |
| Cruise period | 1977-03-10 — 1977-03-31 |
| Status | Completed |
| Port of departure | Grimsby, United Kingdom |
| Port of return | Grimsby, United Kingdom |
| Purpose | Research |
| Objectives | 1. To carry out a mackerel egg and larval survey in the Celtic Sea area.
2. To study the vertical distribution of mackerel eggs and larvae. 3. To study the development rates of mackerel eggs and larvae. 4. To identify fish concentrations by trawling. 5. To collect I-group fish for biochemical tissue analysis. |
| Chief scientist | Stephen J Lockwood (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Project | Mackerel Egg Survey |
| Cruise report |  (0.26 MB) |
| Ocean/sea areas | |
| General | Irish Sea and St. George's Channel Bay of Biscay |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Description: T only |
| Water bottle stations | Quantity: number of stations = 83 Description: S surface only |
| CTD stations | Quantity: number of stations = 83 |
| Transparency (eg transmissometer) | |
| Chemical oceanography | |
| Oxygen | |
| pH | |
| Biology and fisheries | |
| Phytoplankton pigs (eg chlorophyll, fluorescence) | |
| Zooplankton | Quantity: number of stations = 83 |
| Eggs and larvae | Quantity: number of stations = 83 Description: distribution |
| Pelagic fish | Quantity: number of hauls = 3 |
