Cruise inventory

FRV Clupea 0782C

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier0782C
Cruise period1982-08-15 — 1982-08-31
StatusCompleted
Port of departureAberdeen, United Kingdom
Port of returnBuckie, United Kingdom
PurposeResearch
Objectives1. To commission the new winch for the RCB.
2. To film with the RCB the comparative escape rate of small fish from a diamond and square mesh codend.
3. To compare drag characteristics, using instrumentation, of a typical diamond mesh trawl with that of the same trawl with one third of its twine area in square mesh.
4. To film and observe with the RCB a rockhopper groundgear traversing smooth and rough ground.
5. To film with the RCB contrast characteristics of a trawl constructed with alternative rows of black and white netting.
Chief scientistJack H B Robertson (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 0782C cruise report cl7_82.pdf — access key 'C' (0.12 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificN.E. Scotland
Measurements 
Biology and fisheries 
Other biological/fisheries measurementQuantity: activity duration in hours = 17
Description: observation of small haddock escaping from the 90mm diamond.