Cruise inventory

RRS Challenger CH4/75

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH4/75
Cruise period1975-03-18 — 1975-03-24
Port of departureDunstaffnage, United Kingdom
Port of returnDunstaffnage, United Kingdom
ObjectivesThe objective of this biological sampling cruise was to obtain the first of a time series of biological samples of the deep-sea benthos, bathypelagic plankton and demersel fish from the deep water area lying to the west of Scotland and Northern Ireland.
Chief scientistJohn D Gage (Scottish Marine Biological Association)
Cruise reportRRS Challenger CH4/75 cruise report ch4_75.pdf — access key 'C' (2.70 MB) 
Ocean/sea areas 
GeneralInner Seas off the West Coast of Scotland
North East Atlantic Ocean (limit 40W)
Track chartsRRS Challenger CH4/75 cruise track — ch4_75track.pdf (0.10 MB) 
Biology and fisheries 
NeustonQuantity: number of hauls = 6
ZoobenthosQuantity: number of hauls = 6
Description: epibenthic sledge.
Demersal fishQuantity: number of hauls = 3
Description: survey:taxonomy,population
Gear research
Exploratory fishing