Cruise inventory

RV Clione CLI3A/71

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Clione (74CN)
Cruise identifierCLI3A/71
Cruise period1971-03-02 — 1971-03-18
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To determine the extent and size of the cod spawning grounds in the Bristol Channel and N W Irish Sea.
2. To tag cod on their spawning grounds.
3. To obtain blood samples, length-age measurements and fecundity estimates from the Bristol Channel and N W Irish Sea spawning stocks.
4. To determine the 'feeding overlap' between mature individuals of several commercially important species caught in single trawl hauls.
5. To collect length-age data on flatfish.
6. To release sea-bed drifters off Start Point in order to determine the residual current flow associated with the local plaice spawning.
7. To collect samples of cod pineal bodies for Mr V Bye.
8. To measure bottom temperatures and salinities in accordance with ICES recommendations.
Chief scientistR G Houghton (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Clione CLI3A/71 cruise report clione3a_71.pdf — access key 'C' (0.29 MB) 
Ocean/sea areas 
GeneralEnglish Channel
Irish Sea and St. George's Channel
Specific49.4-54.3N 06.4-03E
Physical oceanography 
Water bottle stationsQuantity: number of stations = 15
Description: surface 13 bottom
Surface drifters/drifting buoysQuantity: number of deployments = 482
Description: bottom
Biology and fisheries 
Dissolved organic matter (inc DOC)Quantity: number of samples = 55
PhytoplanktonQuantity: number of samples = 55
ZooplanktonQuantity: number of samples = 55