RV Corella 8/70

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corella (74CX)
Cruise identifier8/70
Cruise period1970-06-30 — 1970-07-10
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To study by means of echo-sounding, mid-water trawling and feathering
the distribution and density of pelagic fish shoals around the waters
of Devon, Cornwall and the Bristol Channel.
2. To sample any pelagic fish caught for routine biological examination,
with additional samples of sprat preserved for fat content analysis
and muscle-esterase studies.
3. To take blood samples from mackerel for haemoglobin analysis.
4. To bring back some living samples of Pseudocalanus from the southern
North Sea and English Channel for Mrs. Thompson.
Chief scientistP O Johnson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corella 8/70 cruise report corella08_70.pdf (0.14 MB) 
Ocean/sea areas 
GeneralEnglish Channel
Bristol Channel
Physical oceanography 
Water bottle stationsDescription: T surface only
Biology and fisheries 
PhytoplanktonQuantity: number of samples = 2
ZooplanktonQuantity: number of samples = 2
NektonQuantity: number of samples = 4
Eggs and larvaeQuantity: number of samples = 2
Pelagic fishQuantity: number of hauls = 2
Other meteorological measurementsDescription: sea and swell