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RV Corystes COR12/98
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RV Corystes (74RY) |
Cruise identifier | COR12/98 |
Cruise period | 1998-12-01 — 1998-12-18 |
Status | Completed |
Port of departure | Lowestoft, United Kingdom |
Port of return | Lowestoft, United Kingdom |
Purpose | Research |
Objectives | 1. To estimate swimming speed and orientation of plaice on their pre-spawning migration by simultaneous use of sector scanning sonar and ADCP.
2. To catch live plaice for fecundity studies. 3. To assess the precision of geolocation using the POL tidal model in conjunction with hydrostatic data logged by data storage tags. Time did not permit this to happen. |
Chief scientist | Julian David Metcalfe (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory) |
Cruise report | (0.17 MB) |
Ocean/sea areas | |
General | English Channel North Sea |
Specific | Southern North Sea, eastern English Channel |
Track charts | (0.02 MB) |
Measurements | |
Physical oceanography | |
Current profiler (eg ADCP) | Description: continuous operation of an ADCP during the tracks of the fish. |
Biology and fisheries | |
Demersal fish | Quantity: number of hauls = 17 Description: made for plaice. The majority of which were caught using a 4m steel beam trawl, although some were caught in mid water using an Engels 800 mid-water trawl. In both cases, each trawl lasted 15 minutes. |
Taggings | Quantity: number of specimens = 4 Description: plaice fitted with long-life acoustic tags. |