RRS Challenger CH3/82
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Challenger (74CH) |
| Cruise identifier | CH3/82 |
| Cruise period | 1982-02-12 — 1982-02-26 |
| Status | Completed |
| Port of departure | Ardrossan, United Kingdom |
| Port of return | Barry, United Kingdom |
| Purpose | Research |
| Objectives | 1. To continue the seasonal survey of the deep-sea demersal fish populations of the upper slopes (300-1250m) of the Porcupine Sea Bight using the SMBA Granton trawl.
2. To continue the seasonal survey of the deep-sea demersal fish populations of the Porcupine Sea Bight (300-4000m) using the IOS semi-balloon trawl (OTSB14). 3. To trawl for demersal fish at the SMBA permanent station in the Rockall Trough (2900m) and collect the invertebrates for Dr. Gage (SMBA). 4. To make representative invertebrate collections from the Porcupine Sea Bight for the IOS benthic group. 5. To study bioluminescence of benthic organisms. 6. To analyse the structural proteins and enzymes of the Holecephali using electrophoretic techniques. |
| Chief scientist | John D M Gordon (Scottish Marine Biological Association) |
| Cruise report |  (0.23 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Specific | West of Ireland |
| Track charts |  |
| Measurements | |
| Biology and fisheries | |
| Zoobenthos | Quantity: number of hauls = 16 |
| Demersal fish | Quantity: number of hauls = 19 Description: survey: taxonomy, energy transfers,biomass determination, distribution. |
| Exploratory fishing | Quantity: number of hauls = 19 |
| Other biological/fisheries measurement | Quantity: number of samples = 19 Description: bioluminescence |
