RRS Discovery D204 Leg 2
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Discovery (74E3) |
| Cruise identifier | D204 Leg 2 |
| Cruise period | 1993-10-20 — 1993-11-06 |
| Status | Completed |
| Port of departure | Dakar, Senegal |
| Port of return | Las Palmas, Spain |
| Purpose | Research |
| Objectives | ADCP, bioacoustics, Longhurst-Hardy Plankton Recorder and Remote Mid-water Trawl net sampling survey of a box bounded by 17-25N, 17-20W. Samples taken: 6 Longhurst Hardy plankton recorder (LHPR) 49 rectangle midwater trawl 1m2 + 8m2 (RMT 1+8) 1+8 with closing cod end (CCE) 12 rectangle midwater trawl 1m2 + multiple 8m2 (RMT 1+8M). |
| Chief scientist | Peter J Herring (Institute of Oceanographic Sciences Deacon Laboratory) |
| Coordinating body | IOSDL/CEC MAST |
| Cruise report |  (0.49 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Specific | Eastern tropical and sub-tropical Atlantic |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Current profiler (eg ADCP) | Description: shipborne ADCP |
| Biology and fisheries | |
| Zooplankton | Quantity: number of samples = 6 Description: taken with Longhurst Hardy plankton recorder (LHPR): macroplankton/nekton distr. & vert. migration |
| Zooplankton | Quantity: number of hauls = 61 Description: 49 with RMT 1+8 with (CCE) and 12 with RMT 1+8M; specimens for photobiolical studies |
| Neuston | Quantity: number of hauls = 61 Description: 49 with RMT 1+8 with (CCE) and 12 with RMT 1+8M; specimens for photobiolical studies |
| Nekton | Quantity: number of hauls = 61 Description: 49 with RMT 1+8 with (CCE) and 12 with RMT 1+8M; specimens for photobiolical studies |
| Pelagic fish | Quantity: number of hauls = 61 Description: 49 with RMT 1+8 with (CCE) and 12 with RMT 1+8M; specimens for photobiolical studies |
| Demersal fish | Quantity: number of hauls = 61 Description: 49 with RMT 1+8 with (CCE) and 12 with RMT 1+8M; specimens for photobiolical studies |
| Crustaceans | Quantity: number of hauls = 61 Description: 49 with RMT 1+8 with (CCE) and 12 with RMT 1+8M; specimens for photobiolical studies |
| Acoustic reflection on marine organisms. | Quantity: number of samples = 6 Description: taken with Longhurst Hardy plankton recorder (LHPR): macroplankton/nekton distr. & vert. migration |
| Gear research | Description: Trials of the RMT 1+8 system |
