Cruise inventory

RRS Challenger CH12B/75

Cruise summary report

Cruise Info. 
Ship name (ship code)RRS Challenger (74CH)
Cruise identifierCH12B/75
Cruise period1975-09-02 — 1975-09-10
Port of departureDunstaffnage, United Kingdom
Port of returnBarry, United Kingdom
ObjectivesThe objective of this cruise in the North-East Atlantic - Rockall Trough area was to sample the deep-sea and outer shelf macro- and meio-benthos, midwater plankton and bathyal demersel fish populations, in order to continue a study of seasonal changes in these communities, and to provide material for a pilot study of heavy metal dispersal in deep water.
Chief scientistJohn D Gage (Scottish Marine Biological Association)
Cruise reportRRS Challenger CH12B/75 cruise report ch12b_75.pdf — access key 'C' (3.17 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Biology and fisheries 
NeustonQuantity: number of hauls = 6
ZoobenthosQuantity: number of samples = 6
Description: benthic coring using Craib corer.
Demersal fishQuantity: number of hauls = 3
Gear researchDescription: testing of the Shipek 70mm deep sea camera.
Exploratory fishing