Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

FRV Clupea 0294C

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier0294C
Cruise period1994-01-27 — 1994-02-10
Port of returnFraserburgh, United Kingdom
Objectives1. To assess significance of light levels in determining night and day selectivity mechanisms affecting fish in cod-ends.
2. To assess small fish escape routes at night using small mesh pocket covers.
3. To assess the effectiveness of glowtwine in promoting escape behaviour under dark conditions.
4. To assess and quantify the visual contrast of a selection of fishing materials against the water background when viewed from different angles and under varying water conditions.
Chief scientistClem S Wardle (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 0294C cruise report cl2_94.pdf — access key 'C' (0.03 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificInganess Bay, Orkneys
Physical oceanography 
Optics (eg underwater light levels)Quantity: number of profiles = 6
Biology and fisheries 
Gear researchQuantity: number of hauls = 4
Description: Gear development