FRV Explorer 12/82
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Explorer (74EX) |
| Cruise identifier | 12/82 |
| Cruise period | 1982-12-09 — 1982-12-21 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Aberdeen, United Kingdom |
| Purpose | Research |
| Objectives | 1. To carry out a survey of the stocks of spurdogs to the north and west of Scotland.
2. To tag spurdogs. 3. To collect adult sandeels (Ammodytes marinus) for fecundity studies. 4. Collection of pout (T.esmarkii) for fresh weight and length determinations from North and South Minches 5. The collection and delivery of 52 live Scyliorhinus caniculus for the Institute of Marine Biochemistry (N.E.R.C) Adverse weather conditions forced ''Explorer'' to seek shelter on the 18/12/1982. The ship returned to Aberdeen on the 21/12/1982 as contiued gales prevented any further work. The sever weather conditions and heavy swell prevented any work in the close inshore areas of Fair Isle where it had been hoped to collect sandeels for fecundity estimations |
| Chief scientist | J A Gauld (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.06 MB) |
| Ocean/sea areas | |
| General | North Sea Inner Seas off the West Coast of Scotland North East Atlantic Ocean (limit 40W) |
| Specific | N. & W. Scotland, W and E of Orkney, North and South Minches, Fair Isle, N of Shetland, Scalloway Deeps, N.E of Skye, Cape Wrath |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: number of samples = 2 Description: 1 water and 1 salinity sample at Cape Wrath for radio-ceasium analysis |
| Chemical oceanography | |
| Radioactivity | Quantity: number of samples = 2 Description: 1 water and 1 salinity sample at Cape Wrath for radio-ceasium analysis |
| Biology and fisheries | |
| Demersal fish | Quantity: number of hauls = 26 Description: distribution. 17 samples of Haddock and plaice were taken for parasitological studies |
| Taggings | Quantity: number of hauls = 26 Description: spurdogs tagged using two Howitt tags affixed by a T-headed attachment. 104 Scyliorhinus caniculus were tagged and released to the W of Orkney |
| Other biological/fisheries measurement | Quantity: number of hauls = 26 Description: stomach content |
