Resources

Concorde 0402H

Cruise summary report

Cruise Info. 
Ship nameConcorde
Cruise identifier0402H
Cruise period2002-01-14 — 2002-01-28
StatusCompleted
Port of departurePeterhead, United Kingdom
Port of returnPeterhead, United Kingdom
PurposeResearch
Objectives1. To determine the effect of two positions of a 90 mm square mesh panel on the selectivity of an 80 mm diamond mesh cod-end rigged with a lifting bag.
2. To measure the selectivity of the same cod-end with no square mesh panel.
3. To measure the selectivity of a 100 mm diamond mesh cod-end with a 90 mm square mesh panel positioned 9-12 m from the codline and no lifting bag.
Chief scientistRobert J Kynoch (Fisheries Research Services Aberdeen Marine Laboratory)
Cruise reportConcorde 0402H cruise report concorde0402h.pdf (0.04 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificFladen area
Measurements 
Biology and fisheries 
Demersal fishQuantity: number of hauls = 22
Description: Selectivity hauls for prawns, haddock and whiting. Six hauls were made using a standard 80mm cod-end, six hauls made using an 80mm cod-end with 90mm square mesh panel at 15-18m. Five hauls were made with an 80mm cod-end with 90mm square mesh panel at 9-12m and five hauls were made with a 100mm cod-end with 90mm square mesh panel at 9-12m.
CrustaceansQuantity: number of hauls = 22
Description: Selectivity hauls for prawns, haddock and whiting. Six hauls were made using a standard 80mm cod-end, six hauls made using an 80mm cod-end with 90mm square mesh panel at 15-18m. Five hauls were made with an 80mm cod-end with 90mm square mesh panel at 9-12m and five hauls were made with a 100mm cod-end with 90mm square mesh panel at 9-12m.