Cruise inventory

RV Ernest Holt 4/69

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Ernest Holt (74EH)
Cruise identifier4/69
Cruise period1969-03-19 — 1969-04-08
StatusCompleted
Port of departureGrimsby, United Kingdom
Port of returnGrimsby, United Kingdom
PurposeResearch
Objectives1. To analyse the genetic composition of the population of cod at Iceland using:
(a) blood proteins,
(b) chromosome preparations.
2. To bring back live plaice to Lowestoft for hatchery experiments.
3. To collect plankton samples for oil pollution studies at the Admiralty Materials Laboratory.
4. To collect rays for Dr. G. Kearn, University of East Anglia.
5. To photograph and collect redfish for Dr. P. Miller, University of Bristol.
Chief scientistAlan Jamieson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Ernest Holt 4/69 cruise report ernest_holt04_69.pdf — access key 'C' (0.16 MB) 
Ocean/sea areas 
GeneralNorth Sea
North East Atlantic Ocean (limit 40W)
Measurements 
Contamination 
Petroleum residuesDescription: plankton samples, oil pollution study
Biology and fisheries 
Biochemical measurements (eg lipids, amino acids)Quantity: number of samples = 32
Description: white blood cells extracted
Biochemical measurements (eg lipids, amino acids)Quantity: number of samples = 1200
Description: cod blood
PhytoplanktonDescription: plankton samples, oil pollution study
ZooplanktonDescription: plankton samples, oil pollution study
Pelagic fishDescription: collect redfish
Demersal fishQuantity: number of specimens = 12
Description: live plaice
Demersal fishDescription: Raia batis and R. radiata collected