Cruise inventory

FRV Explorer 9/70

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Explorer (74EX)
Cruise identifier9/70
Cruise period1970-10-31 — 1970-11-20
Port of returnAberdeen, United Kingdom
Objectives1) West coast fish environmental survey
2) Notes on worm infestation in cod were recorded at most of the stations

Severe weather hampered the work seriously, and 26 of the 40 stations on the programme were completed. A short break was made at Stornoway on the 05/11/1970 to effect a change of personnel and to embark new crew members, and again on the 17/11/1970 to pick up a new trawl and to disburse the weekly pay to the crew.
Chief scientistRichard B Burns (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Explorer 9/70 cruise report explorer9_70.pdf — access key 'C' (0.18 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
SpecificButt of Lewis, Atlantic shelf W of Hebrides, Upper Minch, Barra Head, Northern Ireland, Moray Firth, St Kilda
Physical oceanography 
Water bottle stationsQuantity: number of stations = 22
Description: 21 top & bottom 1 bottom only
Chemical oceanography 
OxygenQuantity: 22
PhosphateQuantity: 22
NitrateQuantity: 21
SilicateQuantity: 21
Biology and fisheries 
PhytoplanktonQuantity: 2
Description: international standard net
ZooplanktonQuantity: number of stations = 26
Description: sampled with the Gulf III and W.P.3 net
Demersal fishQuantity: number of stations = 26
Description: Haddock was the most abundant species in all hauls. Whting, cod, hake, grey and red gurnards, skate, common and long rough dabs, lemon sole, megrim, dogfish, and industrial species were caught
Occasional standard measurements