Cruise inventory

RV Corystes COR8C/90

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR8C/90
Cruise period1990-07-20 — 1990-07-26
Port of departureFalmouth, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To carry out a plankton survey using the 53cm High Speed Tow Net fitted with a Guildline CTD monitoring system; to determine the abundance of crab (Cancer pagarus) larvae in selected areas of the English Channel.
2. To take additional plankton samples in areas of high abundance of larvae to estimate haul to haul and spatial variability.
3. To study the vertical distribution of crab larvae using a LHPR sampler.
4. To take discrete sub-surface sea water samples for salinity determination at each plankton station and to monitor continuously the chlorophyll 'a' fluorescence temperature and salinity of subsurface sea water.
Chief scientistBrenda M Thompson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corystes COR8C/90 cruise report co8c_90.pdf — access key 'C' (0.06 MB) 
Ocean/sea areas 
GeneralEnglish Channel
SpecificWestern English Channel
Track chartsRV Corystes COR8C/90 cruise track — trk3566.html
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 6
CTD stationsQuantity: number of stations = 32
Description: surface S only on tow net
Optics (eg underwater light levels)Quantity: activity duration in days = 6
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: activity duration in days = 6
Description: chlorophyll a
PhytoplanktonQuantity: number of stations = 32
Description: 53cm Tow Net
ZooplanktonQuantity: number of stations = 32
Description: 53cm Tow Net
Eggs and larvaeQuantity: number of stations = 32
Description: Crab larvae studies