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RV Corystes COR8A/90

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Corystes (74RY)
Cruise identifierCOR8A/90
Cruise period1990-06-22 — 1990-07-02
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnFalmouth, United Kingdom
PurposeResearch
Objectives1. To carry out a plankton survey to assess sole egg production in the Trevose Head spawning area.
2. To carry out a plankton survey in the western English Channel to assess the distribution and abundance of edible crab larvae.
3. To continue investigation of sole and plaice catch rates over a 24-hour period, and obtain otoliths to supplement market sampling information.
4. To continue loading CORYSTES 10/89 loading data into the HP1000 database.
All the aims were successfully completed.
Chief scientistStephen Flatman (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Corystes COR8A/90 cruise report co8a_90.pdf (0.06 MB) 
Ocean/sea areas 
GeneralEnglish Channel
Bristol Channel
SpecificBristol Channel and Western English Channel
Track chartsRV Corystes COR8A/90 cruise track — trk3564.html
Measurements 
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 10
Description: Continuous surface temperature, salinity, light and chlorophyll a
Water bottle stationsQuantity: number of stations = 105
Description: surface S only via ships pump
Optics (eg underwater light levels)Quantity: activity duration in days = 10
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: activity duration in days = 10
Description: chlorophyll a
PhytoplanktonQuantity: number of stations = 105
Description: high speed tow net
ZooplanktonQuantity: number of stations = 105
Description: high speed tow net
Demersal fishQuantity: number of stations = 9
Description: Demersal fish survey - beam trawl