Cruise inventory

FV Torbay Pearl

Cruise summary report

Cruise Info. 
Ship nameFV Torbay Pearl
Cruise period1979-08-11 — 1979-09-07
StatusCompleted
Port of departureMevagissey, United Kingdom
Port of returnMevagissey, United Kingdom
PurposeResearch
ObjectivesJoint 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 scientistStephen J Lockwood (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportFV Torbay Pearl  cruise report torbay_pearlandnono_aug79.pdf — access key 'C' (0.10 MB) 
Ocean/sea areas 
GeneralEnglish Channel
SpecificFalmouth
Measurements 
Biology and fisheries 
TaggingsQuantity: number of specimens = 110
Description: A number of mackerel were tagged and a matching number untagged and then the mortalilty rates were compared.
Gear researchQuantity: number of hauls = 11
Description: A number of hauls were made and the effect on mackerel noted.
Gear researchQuantity: number of specimens = 110
Description: A number of mackerel were tagged and a matching number untagged and then the mortalilty rates were compared.
Other biological/fisheries measurementDescription: blood samples collected from fresh caught fish, samples frozen and returned to laboratory