RV Clione CLI6/85
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Clione (74CN) |
| Cruise identifier | CLI6/85 |
| Cruise period | 1985-05-07 — 1985-05-29 |
| Status | Completed |
| Port of departure | Lowestoft, United Kingdom |
| Port of return | Lowestoft, United Kingdom |
| Purpose | Research |
| Objectives | 1. To carry out a sector scanner survey of an area of shingle bank 5 1/2 nautical miles east of the Royal Sovereign.
2. To carry out a plankton survey using the 76cm high speed tow net fitted with the MAFF Guildline Monitoring system, to determine the distribution and abundance of Nephrops norvegicus larvae in the North Sea. 3. To study the vertical distribution of Nephrops larvae using a Longhurst Hardy Continuous Plankton recorder. 4. To continuously monitor the temperature and salinity of the surface sea water. 5. To collect water samples for salinity, nitrate, phosphate and silicate analysis. 6. To determine whether berried female Nephrops are found in the areas of high abundance of larvae. |
| Chief scientist | Brenda M Thompson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.23 MB) |
| Ocean/sea areas | |
| General | Irish Sea and St. George's Channel |
| Specific | Irish Sea |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | |
| Water bottle stations | Quantity: number of stations = 167 Description: 100 S surface 100 bottom |
| CTD stations | Quantity: number of stations = 167 |
| Chemical oceanography | |
| Phosphate | Quantity: number of stations = 93 |
| Nitrate | Quantity: number of stations = 93 |
| Nitrite | Quantity: number of stations = 93 |
| Silicate | Quantity: number of stations = 93 |
| Biology and fisheries | |
| Phytoplankton | Quantity: number of samples = 176 Description: samples using the high speed townet. |
| Zooplankton | Quantity: number of samples = 176 Description: samples using the high speed townet. |
| Demersal fish | Quantity: number of hauls = 11 |
