RRS Challenger CH8
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RRS Challenger (74CH) |
| Cruise identifier | CH8 |
| Cruise period | 1986-11-25 — 1986-12-18 |
| Status | Completed |
| Port of departure | Barry, United Kingdom |
| Port of return | Barry, United Kingdom |
| Purpose | Research |
| Objectives | 1. To establish a station on the Porcupine Abyssal Plain (48 50'N, 16 30'W) and to sample the midwater and benthic fauna.
2. To sample the exisiting IOS transect in the Porcupine Seabight with benthic and near bottom midwater trawls. 3. To obtain material for CASE students N. Cartwright (Foraminifera) and M. Atrill (Decapoda). 4. To obtain experimental material for trace metal analyses. |
| Chief scientist | Howard S J Roe (Institute of Oceanographic Sciences Wormley Laboratory) |
| Cruise report |  (0.50 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Specific | Porcupine Abyssal Plain/Porcupine Sea Bight |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| CTD stations | |
| Biology and fisheries | |
| Zooplankton | Quantity: number of hauls = 7 Description: survey:taxonomy |
| Nekton | Quantity: number of hauls = 5 |
| Zoobenthos | Quantity: number of hauls = 10 Description: survey:taxonomy |
| Pelagic fish | Quantity: number of hauls = 5 Description: survey:taxonomy,biomass determination |
| Geology and geophysics | |
| Single-beam echosounding | Quantity: track kilometres = 1250 |
