Cruise inventory

FRV Clupea 12/70

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Clupea (74CU)
Cruise identifier12/70
Cruise period1970-10-22 — 1970-11-12
StatusCompleted
Port of returnGreenock, United Kingdom
PurposeFisheries
Objectives1. To measure depth attenuation of sound at 400 kHz.
2. To carry out a survey of the Clyde herring stock using the fish echo counter and pelagic trawl.
Chief scientistAlan Saville (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Clupea 12/70 cruise report cl12_70.pdf — access key 'C' (0.10 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
SpecificClyde, Firth of Lorne, area to the west and north of Arran
Measurements 
Biology and fisheries 
Pelagic fishQuantity: number of hauls = 2
Description: 0-group cod caught on Skermorlie Bank and in Loch Long
Pelagic fishQuantity: number of hauls = 13
Description: Mid-water pelgaic trawl catches to the area to the west and north of Arran. Herring, saithe, whiting, and Trisopterus esmarkii caught
Demersal fishQuantity: number of hauls = 13
Description: Mid-water pelgaic trawl catches to the area to the west and north of Arran. Herring, saithe, whiting, and Trisopterus esmarkii caught