RV Corystes COR3/90
Cruise summary report
|Ship name (ship code)||RV Corystes (74RY)|
|Cruise period||1990-02-09 — 1990-02-26|
|Port of departure||Lowestoft, United Kingdom|
|Port of return||Lowestoft, United Kingdom|
|Objectives||1. To assess sole egg production in the Trevose Head spawning area as part of the programme to determine spawning stock biomass.
2. To collect ovaries from sole for fecundity estimation.
3. To investigate sole feeding during the spawning season.
4. If time permits, to carry out a pre-recruit flatfish survey in the Bristol Channel.
|Chief scientist||David J Symonds (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)|
|Cruise report||(0.08 MB)|
|Specific||Bristol Channel and Celtic Sea|
|Track charts||(00 MB)|
|Surface measurements underway (T,S)||Quantity: activity duration in days = 17|
Description: Continuous monitoring of surface temperature and salinity.
|Water bottle stations||Quantity: number of stations = 68|
Description: surface S only
|Biology and fisheries|
|Phytoplankton pigs (eg chlorophyll, fluorescence)||Quantity: activity duration in days = 17|
Description: continuous monitoring of chlorophyll 'a'
|Phytoplankton||Quantity: number of stations = 67|
Description: phytoplankton with high speed tow net
|Zooplankton||Quantity: number of stations = 67|
Description: zooplankton with high speed tow net
|Demersal fish||Quantity: number of stations = 27|
Description: demersal fish with 4m beam trawl