RV Corella 5/81
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Corella (74CX) |
| Cruise identifier | 5/81 |
| Cruise period | 1981-03-31 — 1981-04-14 |
| Status | Completed |
| Port of departure | Lowestoft, United Kingdom |
| Port of return | Lowestoft, United Kingdom |
| Purpose | Research |
| Objectives | 1. To catch spawning sprats (Sprattus sprattus) and to rear artificially fertilised eggs over a range of temperature. To observe and record their development photographically and provide a relationship between temperature and rate of development for use in calculating the seasonal production of sprat eggs.
2. To conduct a survey with the 30 inch high speed plankton sampler, of the western and eastern English Channel, aimed at describing the distribution and abundance of the eggs of the sole (Solea solea). 3. To collect twelve x 25 litre water samples for 137Cs analysis by AEP1. |
| Chief scientist | John H Nichols (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.15 MB) |
| Ocean/sea areas | |
| General | English Channel |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Water bottle stations | Quantity: number of samples = 98 Description: S surface only |
| Chemical oceanography | |
| Radioactivity | Quantity: number of samples = 12 Description: 25 litre water samples were taken for 137Cs analysis. |
| Biology and fisheries | |
| Phytoplankton | Quantity: number of hauls = 101 Description: hauls made with the 30" plankton sampler. |
| Zooplankton | Quantity: number of hauls = 101 Description: hauls made with the 30" plankton sampler. |
| Pelagic fish | Quantity: number of hauls = 5 Description: pelagic trawls using an 800 Engels trawl. |
