FRV Explorer 9/70
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Explorer (74EX) |
| Cruise identifier | 9/70 |
| Cruise period | 1970-10-31 — 1970-11-20 |
| Status | Completed |
| Port of return | Aberdeen, United Kingdom |
| Purpose | Research |
| Objectives | 1) West coast fish environmental survey
2) Notes on worm infestation in cod were recorded at most of the stations Severe weather hampered the work seriously, and 26 of the 40 stations on the programme were completed. A short break was made at Stornoway on the 05/11/1970 to effect a change of personnel and to embark new crew members, and again on the 17/11/1970 to pick up a new trawl and to disburse the weekly pay to the crew. |
| Chief scientist | Richard B Burns (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.18 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Specific | Butt of Lewis, Atlantic shelf W of Hebrides, Upper Minch, Barra Head, Northern Ireland, Moray Firth, St Kilda |
| Measurements | |
| Physical oceanography | |
| Water bottle stations | Quantity: number of stations = 22 Description: 21 top & bottom 1 bottom only |
| Chemical oceanography | |
| Oxygen | Quantity: 22 |
| Phosphate | Quantity: 22 |
| Nitrate | Quantity: 21 |
| Silicate | Quantity: 21 |
| Biology and fisheries | |
| Phytoplankton | Quantity: 2 Description: international standard net |
| Zooplankton | Quantity: number of stations = 26 Description: sampled with the Gulf III and W.P.3 net |
| Demersal fish | Quantity: number of stations = 26 Description: Haddock was the most abundant species in all hauls. Whting, cod, hake, grey and red gurnards, skate, common and long rough dabs, lemon sole, megrim, dogfish, and industrial species were caught |
| Meteorology | |
| Occasional standard measurements |
