FRV Clupea 0586C

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier0586C
Cruise period1986-04-02 — 1986-04-22
Port of departureGreenock, United Kingdom
Port of returnBuckie, United Kingdom
Objectives1. To determine trawl catch rates and Nephrops size and sex composition on grounds in the Clyde, South and North Minches.
2. To obtain underwater television and photographic records of Nephrops burrows in the same areas.
3. To study variations in Nephrops catch at different times of the day and night.
4. To study Nephrops distribution and population parameters in relation to sediment characteristics.
5. To determine trawl catch rates and Pandalus size and sex composition on the Fladen grounds.
6. To observe Pandalus and its reaction to trawl gear.
7. To take sediment samples for pollution analysis in the Upper Clyde.
Chief scientistF Godfrey Howard (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 0586C cruise report cl5_86.pdf (0.10 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
Track chartsFRV Clupea 0586C cruise track — cl5_86track.pdf (0.03 MB) 
Biology and fisheries 
CrustaceansQuantity: number of hauls = 33
Description: made using the 22mm Prawn trawl.
Geology and geophysics 
GrabQuantity: number of samples = 30
Description: Sediment grab samples sent for particle size and organic carbon analysis.
Bottom photographyDescription: Towed underwater sledge mounted with TV and still cameras .