Cruise inventory

RV Ernest Holt 9/67

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Ernest Holt (74EH)
Cruise identifier9/67
Cruise period1967-11-06 — 1967-12-07
StatusCompleted
Port of departureGrimsby, United Kingdom
Port of returnGrimsby, United Kingdom
PurposeResearch
ObjectivesBy comparative fishing with RV EXPLORER:
1. to compare the catches of the most recent form of the Saro trawl with
those of a Granton trawl when both are rigged with 60 fm bridles;
2. to investigate further an apparent gear/ship interaction which has
complicated previous comparative fishing results.
Chief scientistA R Margetts (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Ernest Holt 9/67 cruise report ernest_holt09_67.pdf — access key 'C' (0.21 MB) 
Ocean/sea areas 
GeneralNorth Sea
Norwegian Sea
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: number of stations = 2
Description: surface water samples
Chemical oceanography 
OxygenQuantity: number of stations = 2
Description: surface water samples
PhosphateQuantity: number of stations = 2
Description: surface water samples
NitrateQuantity: number of stations = 2
Description: surface water samples
SilicateQuantity: number of stations = 2
Description: surface water samples
Biology and fisheries 
Biochemical measurements (eg lipids, amino acids)Description: routine otolith samples of cod, haddock and coalfish
Gear researchQuantity: number of hauls = 36
Description: Saro vs Granton trawl comparison