RV Cefas Endeavour 02/10
Cruise summary report
|Ship name (ship code)||RV Cefas Endeavour (74E9)|
|Cruise period||2010-01-18 — 2010-01-31|
|Port of departure||Lowestoft, United Kingdom|
|Port of return||Lowestoft, United Kingdom|
|Objectives||The cruise was the first of five plankton surveys in 2010 to estimate the Spawning Stock Biomass (SSB) of plaice, cod and haddock in the Irish Sea by the Annual Egg Production Method (AEPM). These cruise are basically a repeat of a similar series of surveys conducted in 2008.
In addition to plankton sampling at 106 pre-selected stations, trawling was conducted (when time and conditions allowed) to collect samples of mature cod ovaries for fecundity estimation.
|Chief scientist||Stephen Paul Milligan (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory)|
|Project||Irish Sea Egg Production Surveys (ISEPS)|
|Cruise report||(0.06 MB)|
Irish Sea and St. George's Channel
|Specific||Irish Sea; English Channel|
|Track charts||(00 MB)|
|Surface measurements underway (T,S)||Quantity: track kilometres = 3704|
Description: Continuous logging of sub-surface (3m) salinity, temperature fluorescence etc.
|Water bottle stations||Quantity: number of stations = 60|
Description: Sub-surface water bottle samples collected underway for salinity, chlorophyll and nutrient analysis.
|Biology and fisheries|
|Eggs and larvae||Quantity: number of stations = 106|
Description: Gulf VII type plankton sampler, deployed on double oblique 'V' profiles whilst steaming at 4.5 Kts. The samplers utilise a calibrated CTD. Zooplankton samples analysed for fish eggs only.
|Demersal fish||Quantity: number of stations = 12|
Description: PHHT trawl used to collect fecundity samples from mature female fish