Cruise inventory


Cruise summary report

Cruise Info. 
Ship nameHelene
Cruise period1987-05-03 — 1987-06-20
Port of departureAberdeen, United Kingdom
Port of returnAberdeen, United Kingdom
Objectives1. To obtain information on the selectivity of a commercial (Jackson) 400-500 hp seine net in relation to changes in codend mesh size, codend diameter and length of extension.
2. To investigate the behaviour of a commercial (Duthie) 700 high headline seine net when alterations are made to codend diameter and extension length.
3. To carry out oberservations on the Jackson 400-500 hp seine net.
Chief scientistKenneth A Coull (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportHelene  cruise report helene_may87.pdf — access key 'C' (0.04 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificSpey Bay, Dornoch Firth
Biology and fisheries 
Gear researchQuantity: number of hauls = 166
Description: A number of hauls were made throughout the cruise to monitor the gear effectivness.