Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

RV Cirolana CIR1/77

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR1/77
Cruise period1977-01-05 — 1977-01-25
Port of departureGrimsby, United Kingdom
Port of returnYarmouth, United Kingdom
Objectives1. To make an acoustic survey of the wintering and pre-spawning concentrations
of mackerel in the eastern English Channel, and to the edge of the continental shelf, from 47N to 54N.
2. To identify echo traces in this area.
3. To service JONSIS 1 and JONSIS 2 current meter stations.
4. To take biological samples of mackerel, blue whiting, anchovy, and
any deep-water demersal fish species caught.
5. To land approx 100 live mackerel at Yarmouth.
6 .To land 2-5,000 live plaice eggs from Channel spawning areas.
Chief scientistMichael Gregg Pawson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR1/77 cruise report ci01_77.pdf — access key 'C' (0.29 MB) 
Ocean/sea areas 
GeneralBaltic Sea
Irish Sea and St. George's Channel
Bay of Biscay
North East Atlantic Ocean (limit 40W)
Track chartsRV Cirolana CIR1/77 cruise track — trk1896a.html RV Cirolana CIR1/77 cruise track — trk1896b.html
Physical oceanography 
Surface measurements underway (T,S)Quantity: track kilometres = 3704
Description: T only
Current metersQuantity: number of deployments = 2
Biology and fisheries 
Eggs and larvaeQuantity: number of samples = 2
Pelagic fishQuantity: number of hauls = 6
Demersal fishQuantity: number of hauls = 1
Description: identification,distribution,biomass determination
Acoustic reflection on marine organisms.Quantity: track kilometres = 3704