Cruise summary report

Cruise Info. 
Ship nameRival
Cruise period1991-06-10 — 1991-07-05
Port of departureBuckie, United Kingdom
Port of returnBuckie, United Kingdom
ObjectivesTo compare the selection characteristics for roundfish in 90mm cod-ends with 90mm square mesh windows using two types of small mesh cover.
To study a trawl modified to retain whiting separated from haddock using 90mm square mesh window panel fitted to the top side of a 90mm meshed cod-end and part of the extension; small mesh covers will also be fitted.
Chief scientistJohn Main (Scottish Office Agriculture and Fisheries Department Aberdeen Marine Laboratory)
Cruise reportRival  cruise report rival_jun91.pdf (0.10 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificMoray Firth or Orkney Islands
Biology and fisheries 
Demersal fishQuantity: number of hauls = 24
Description: groundfish survey.
Other biological/fisheries measurementQuantity: number of hauls = 3
Description: comparing cod-end catches, with and without covers.