FRV Clupea 0491C
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Clupea (74CU) |
| Cruise identifier | 0491C |
| Cruise period | 1991-03-11 — 1991-03-20 |
| Status | Completed |
| Port of departure | Ardrossan, United Kingdom |
| Purpose | Research |
| Objectives | 1. To make a collection of gonads and fertilise eggs from herring caught on Ballantrae Bank, Firth of Clyde.
2. To set up trisponder system on Clupea 3. To deploy current meter and sediment trap at South Arran site. 4. To carry out hydrographic and phytoplankton surveys in vicinity of the South Arran site. 5. To carry out trawling for pre spawning Clyde herring. 6. To make pre-spawning diving, grab and TV surveys of the Ballantrae Bank and South Arran spawning ground. |
| Chief scientist | John Gamble (Sir Alister Hardy Foundation for Ocean Science) |
| Cruise report |  (0.06 MB) |
| Ocean/sea areas | |
| General | Inner Seas off the West Coast of Scotland |
| Specific | Ballantrae Bank, Firth of Clyde |
| Measurements | |
| Physical oceanography | |
| Water bottle stations | Quantity: number of stations = 4 |
| CTD stations | Quantity: number of stations = 1 |
| Optics (eg underwater light levels) | Quantity: number of stations = 1 |
| Biology and fisheries | |
| Phytoplankton pigs (eg chlorophyll, fluorescence) | |
| Eggs and larvae | Quantity: number of samples = 50 Description: grabs for herring eggs |
| Pelagic fish | Description: trawls |
