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

Cruise inventory

RV Corella 5/69

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corella (74CX)
Cruise identifier5/69
Cruise period1969-03-12 — 1969-03-24
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. Routine bottom trawl sampling of plaice population in the
southern and central North Sea.
2. Collection of gonads of plaice, cod and whiting for fecundity
3. Collection of material for plaice maristic investigations.
4. Collection of dab samples for Mr. Lee (Hong Kong).
5. Collection of large cod for echo sounder experiments (Mr. Scholes).
6. Collection of live cod eggs (Dr. Greer Walker).
7. Collection of live fish as follows:- (a) Ripe Borkum plaice (Dr. Purdom); (b) Lemon sole and long rough dab (Mr. Riley); (c) Small gadoids (Mr. Scholes); (d) Plaice for Radiobiological Laboratory; (e) Turbot (Mr. A. Jones).

A small number of ripe gonads were collected. A few ripe Borkum plaice, some central North Sea plaice and one turbot was collected.
Chief scientistR Colin A Bannister (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corella 5/69 cruise report corella05_69.pdf — access key 'C' (0.13 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificP buoys, Tail End, Cleaver Bank, Silver Pit, White Bank, Clay Deep, Mud Hole, and Southernmost Rough
Biology and fisheries 
Pelagic fishQuantity: number of experiments = 1
Description: Artificial fertilization attempted with 2 mature cod
Demersal fishQuantity: number of samples = 5
Description: Stratified dab samples taken