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

Cruise inventory

RV Corystes COR1/90

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR1/90
Cruise period1990-01-04 — 1990-01-18
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To participate in the ICES coordinated herring larvae survey in regions of IVC and VIID.
2. To monitor continuously sub-surface temperature, salinity and chlorophyll 'a' with sampler profiles at each larvae survey station.
3. To take concurrent fine mesh samples for microzooplankton during the larvae survey in a continuing study of the winter feeding regime for herring larvae.
4. To determine the length/age compositions of mackerel shoals in and around the 'mackerel box'.
5. To sample shoals of pelagic fish using the Engel midwater trawl.
Chief scientistJohn H Nichols (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
ProjectHerring Larval Survey
Coordinating bodyICES
Cruise reportRV Corystes COR1/90 cruise report co1_90.pdf — access key 'C' (0.13 MB) 
Ocean/sea areas 
GeneralEnglish Channel
North Sea
SpecificSouthern North Sea and English Channel.
Track chartsRV Corystes COR1/90 cruise track — trk3557a.html RV Corystes COR1/90 cruise track — trk3557b.html
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 14
Description: Continuous surface temperature and salinity.
CTD stationsQuantity: number of stations = 77
Description: surface S only on plankton sampler
Biology and fisheries 
PhytoplanktonQuantity: number of stations = 77
Description: Phytoplankton
ZooplanktonQuantity: number of stations = 77
Description: Zooplankton
Pelagic fishQuantity: number of stations = 4
Description: pelagic fish (western English Channel)
Demersal fishQuantity: number of stations = 16
Description: groundfish survey in western English Channel