FV Torbay Pearl
Cruise summary report
| Cruise Info. | |
| Ship name | FV Torbay Pearl |
| Cruise period | 1979-08-11 — 1979-09-07 |
| Status | Completed |
| Port of departure | Mevagissey, United Kingdom |
| Port of return | Mevagissey, United Kingdom |
| Purpose | Research |
| Objectives | Joint cruise with Nono.
1. To make further observations on the effects of holding mackerel at different densities in keep nets. 2. To measure mackerel tagging mortality rates. 3. To make observations on the biochemical changes in mackerel tissue resulting from exercise and stress. |
| Chief scientist | Stephen J Lockwood (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.10 MB) |
| Ocean/sea areas | |
| General | English Channel |
| Specific | Falmouth |
| Measurements | |
| Biology and fisheries | |
| Taggings | Quantity: number of specimens = 110 Description: A number of mackerel were tagged and a matching number untagged and then the mortalilty rates were compared. |
| Gear research | Quantity: number of specimens = 110 Description: A number of mackerel were tagged and a matching number untagged and then the mortalilty rates were compared. |
| Gear research | Quantity: number of hauls = 11 Description: A number of hauls were made and the effect on mackerel noted. |
| Other biological/fisheries measurement | Description: blood samples collected from fresh caught fish, samples frozen and returned to laboratory |
