Cruise inventory

RV Corella 7/72

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corella (74CX)
Cruise identifier7/72
Cruise period1972-04-26 — 1972-05-04
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. Larval survey and echo survey to determine centres of concentration
of larvae, juvenile and adult fish.
2. Fishing survey for small and young fish;
(i) to estimate density
(ii) to examine stomach contents.
3. Vertical distribution studies on larval fish and other plankters.
4. Collections of Sagitta and Pleurobrachia.
5. Comparisons of plankton sampling gear;
(a) 20" Lowestoft sampler vs Dutch 20" sampler,
(b) 20" Lowestoft sampler vs 20" unencased sampler,
(c) 20" unencased sampler, 12" sampler at 2 and 5 knots.
6. Estimates of chlorophyll;
(a) using Turner fluoromoter at sea,
(b) collection of samples for analysis by spectrophotometer.
7. Hydrographic measurements of surface temperature and salinity.
Chief scientistDerek Harding (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corella 7/72 cruise report corella07_72.pdf — access key 'C' (0.21 MB) 
Ocean/sea areas 
GeneralNorth Sea
Physical oceanography 
Water bottle stationsQuantity: number of stations = 34
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Description: estimates,continuously
Eggs and larvaeQuantity: number of stations = 44