RRS Challenger CH12B/75
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Challenger (74CH) |
| Cruise identifier | CH12B/75 |
| Cruise period | 1975-09-02 — 1975-09-10 |
| Status | Completed |
| Port of departure | Dunstaffnage, United Kingdom |
| Port of return | Barry, United Kingdom |
| Purpose | Research |
| Objectives | The 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 scientist | John D Gage (Scottish Marine Biological Association) |
| Cruise report |  (3.17 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Measurements | |
| Biology and fisheries | |
| Neuston | Quantity: number of hauls = 6 |
| Zoobenthos | Quantity: number of samples = 6 Description: benthic coring using Craib corer. |
| Demersal fish | Quantity: number of hauls = 3 |
| Gear research | Description: testing of the Shipek 70mm deep sea camera. |
| Exploratory fishing |
