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RV Prince Madog PD12/03
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RV Prince Madog (74P2) |
Cruise identifier | PD12/03 |
Cruise period | 2003-03-17 — 2003-03-19 |
Status | Completed |
Port of departure | Menai Bridge, United Kingdom |
Port of return | Menai Bridge, United Kingdom |
Purpose | Research |
Objectives | CEFAS charter. Third in a series of five plankton surveys in the eastern Irish Sea in 2003 to:
1) Determine plaice egg spawning and production. 2) Collect zooplankton samples for copepod production and fish larval feeding studies (not collected on this particular cruise). |
Chief scientist | Natasha Bunn (Centre for Environment, Fisheries and Aquaculture Science Lowestoft Laboratory) |
Project | Spatially structured population modelling of Irish Sea plaice |
Coordinating body | CEFAS, Lowestoft |
Cruise report | ![]() |
Ocean/sea areas | |
General | Irish Sea and St. George's Channel |
Specific | eastern Irish Sea |
Track charts | ![]() |
Measurements | |
Physical oceanography | |
CTD stations | Quantity: number of stations = 49 Description: FSI mini-CTD attached to sampler frame to provide profile of conductivity, temperature and depth. Purpose to monitor/ provide information on environmental paramaters. |
Subsurface temperature and salinity measurements | Quantity: number of stations = 16 Description: Samples of sea water from surface/nr surface collected during selected tows. Analysed ashore for conductivity to compare to CTD measurements. |
Biology and fisheries | |
Zooplankton | Quantity: number of stations = 49 Description: Samples collected using Gulf VII plankton sampler, towed from surface to near bottom in 'V' shaped profile. Volume of water filtered calculated from self-logging flow meters inside nose cone. Eggs and larvae collected in 270um mesh net and preserved in formalin for later analysis. Purpose of analysis - to identify and quantify eggs and larvae. |
Eggs and larvae | Quantity: number of stations = 49 Description: Samples collected using Gulf VII plankton sampler, towed from surface to near bottom in 'V' shaped profile. Volume of water filtered calculated from self-logging flow meters inside nose cone. Eggs and larvae collected in 270um mesh net and preserved in formalin for later analysis. Purpose of analysis - to identify and quantify eggs and larvae. |