RRS Challenger CH12B/81
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Challenger (74CH) |
| Cruise identifier | CH12B/81 |
| Cruise period | 1981-08-14 — 1981-08-21 |
| Status | Completed |
| Port of departure | Dunstaffnage, United Kingdom |
| Port of return | Ardrossan, United Kingdom |
| Purpose | Research |
| Objectives | 1. To obtain seasonal samples of deep-sea benthos and deep plantkon at the SMBA Permanent Station and at Station 'N' using epibenthic sled, Agassiz trawl, RMT 1 and Spade Box Corer.
2. To obtain samples of deep sea benthos from two stations on the Feni Ridge using Agassiz Trawl and Spade Box Corer. |
| Chief scientist | Paul A Tyler (University of Wales Swansea Department of Geology and Oceanography) |
| Cruise report |  (0.21 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Specific | West of Scotland |
| Track charts |  |
| Measurements | |
| Chemical oceanography | |
| Radioactivity | Quantity: number of samples = 1 Description: radionuclides |
| Biology and fisheries | |
| Zooplankton | Quantity: number of samples = 2 |
| Zoobenthos | Quantity: number of hauls = 5 Description: Agassiz trawl hauls to survey taxonomy and population. |
| Gear research | Quantity: number of hauls = 2 |
| Geology and geophysics | |
| Core - soft bottom | Quantity: number of deployments = 2 Description: Box corer. |
