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RRS John Murray JM8/77

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS John Murray (74MJ)
Cruise identifierJM8/77
Cruise period1977-07-12 — 1977-07-26
StatusCompleted
Chief scientistG Farrow (University of Glasgow Department of Geology)
Ocean/sea areas 
GeneralNorth Sea
Measurements 
Biology and fisheries 
PhytobenthosQuantity: number of samples = 170
ZoobenthosQuantity: number of samples = 170
Description: survey:population,distribution etc.
MolluscsQuantity: number of samples = 100
Other biological/fisheries measurementQuantity: number of samples = 70
Description: attached plants and algae
Other biological/fisheries measurementQuantity: number of samples = 6
Description: intertidal organisms
Geology and geophysics 
DredgeQuantity: number of deployments = 20
Description: physical/chemical analysis of sediments
GrabQuantity: number of samples = 150
Description: physical/chemical analysis of sediments
Core - soft bottomQuantity: number of cores = 5
Description: 6 littoral zone studies
Bottom photographyQuantity: number of deployments = 10
Single-beam echosoundingQuantity: track kilometres = 740
Long/short range side scan sonarQuantity: track kilometres = 740
Single channel seismic reflectionQuantity: track kilometres = 555