RV Corystes COR6/89
Cruise summary report
|Ship name (ship code)||RV Corystes (74RY)|
|Cruise period||1989-05-18 — 1989-05-31|
|Port of departure||Lowestoft, United Kingdom|
|Port of return||Lowestoft, United Kingdom|
|Objectives||1. To carry out plankton surveys using the 76 cm High Speed Townet to determine the extent and timing of sole spawning off Travose Head and of bass spawning in the Bristol Channel.
2. To sample bass eggs and larvae and adults to investigate spawning behaviour.
3. To deploy an ARGOS drifting buoy and sea surface drifters in a bass spawning focus to follow the dispersal of spawning products.
4. To obtain surface water samples for tritium and salinity analysis between Hinkley Point and Cardiff.
5. To incubate bass eggs at a range of temperatures for development studies. No adult bass were caught.
|Chief scientist||Michael Gregg Pawson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)|
|Cruise report||(0.11 MB)|
|Surface measurements underway (T,S)|
|Water bottle stations||Quantity: number of stations = 53|
Description: surface only
|Surface drifters/drifting buoys||Quantity: number of deployments = 350|
Description: Sea-bed drifters
|Radioactivity||Quantity: number of samples = 5|
|Biology and fisheries|
|Phytoplankton||Quantity: number of samples = 88|
|Zooplankton||Quantity: number of samples = 88|
|Eggs and larvae||Quantity: number of samples = 81|