RRS Discovery D195
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Discovery (74E3) |
| Cruise identifier | D195 |
| Cruise period | 1990-09-05 — 1990-10-05 |
| Status | Completed |
| Port of departure | Santa Cruz de Tenerife, Spain |
| Port of return | Barry, United Kingdom |
| Purpose | Research |
| Objectives | 1. To identify the visual and bioluminescent adaptations and behaviour of meso- and bathypelagic animals.
2. To investigate the distribution and locomotory mechanisms of near-surface species. 3. To compare the distribution of (a) demersal fishes, and (b) near-bottom and upper water column zooplankton and nekton with previously sampled sites further north and east. |
| Chief scientist | Peter J Herring (Institute of Oceanographic Sciences Deacon Laboratory) |
| Cruise report |  (0.96 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Specific | East N Atlantic |
| Track charts |  |
| Measurements | |
| Biology and fisheries | |
| Zooplankton | Quantity: number of samples = 80 Description: net samples at discrete depths using IOSDL rectangular mid-water trawl system |
| Zooplankton | Quantity: number of samples = 80 Description: as above |
| Neuston | Description: many tows - neuston net tows using UCNW 'MANTA' neuston net |
| Nekton | Quantity: number of samples = 80 Description: net samples at discrete depths using IOSDl rectangular mid-water trawl system |
| Nekton | Quantity: number of samples = 80 Description: as above |
| Zoobenthos | Quantity: number of hauls = 4 Description: OTTER trawls |
| Demersal fish | Quantity: number of hauls = 4 Description: OTTER trawls |
| Meteorology | |
| Routine standard measurements | Quantity: activity duration in days = 30 Description: days - synoptic met. observations, voluntary observing vessel |
| Geology and geophysics | |
| Single-beam echosounding | Description: on passage - PES 10kHz bathymetry |
