RV Ernest Holt 2/67
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Ernest Holt (74EH) |
| Cruise identifier | 2/67 |
| Cruise period | 1967-02-14 — 1967-03-14 |
| Status | Completed |
| Port of departure | Grimsby, United Kingdom |
| Port of return | Grimsby, United Kingdom |
| Purpose | Research |
| Objectives | 1. To make a trawl survey of Faroe Plateau and Faroe Bank t o assess the abundance of pre-recruit haddock.
2. To tag cod on the spawning grounds on Faroe Plateau and Faroe Bank. 3. To obtain further data on the effect of the 'Polish' type topside chafer on the selectivity of trawl cod-ends. 4. To bring back alive lemon soles for Mr. Amold. 5. To collect blood samples and eyes from Faroe cod from the spawning grounds for immunogenetic studies. 6. To sample and tag coalfish on the spawning grounds in the northern North Sea en route to Faroe, weather permitting. 7. To obtain hake specimens for Dr. Edwards of the Woods Hole Laboratory, Massachusetts. |
| Chief scientist | Brian W Jones (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.16 MB) |
| Ocean/sea areas | |
| General | North Sea North East Atlantic Ocean (limit 40W) |
| Measurements | |
| Biology and fisheries | |
| Pelagic fish | Quantity: number of specimens = 2 Description: hake deep frozen |
| Pelagic fish | Quantity: number of hauls = 27 Description: trawl survey |
| Demersal fish | Quantity: number of hauls = 27 Description: trawl survey |
| Demersal fish | Description: living sole collected |
| Taggings | Quantity: number of specimens = 2671 Description: cod |
| Gear research | Description: test effect of Polish type topside chafer |
| Other biological/fisheries measurement | Quantity: number of samples = 291 Description: cod: 221 blood and 70 eyes |
| Other biological/fisheries measurement | Quantity: number of samples = 2148 Description: otoliths: 252 cod, 165 coalfish, 898 haddock, 202 halibut, 491 lemon sole and 139 plaice |
| Other biological/fisheries measurement | Quantity: number of hauls = 3 Description: cod blood samples taken |
