Planned maintenance — 19th January 2018 12:00 to 22nd January 2018 14:00 [more]

Cruise inventory

Prince Madog Cruise 40_88

Cruise summary report

Cruise Info. 
Ship name (ship code)Prince Madog (74PD)
Cruise identifierCruise 40_88
Cruise period1988-09-19 — 1988-09-22
Port of departureMenai Bridge, United Kingdom
Port of returnMenai Bridge, United Kingdom
Objectives1. To sample the epifauna at dredges spoil disposal site 7 with beam trawl.
2. To carry out underwater photographic surveys with the MAFF sledge at the sewage sludge dumpsite and at site Z.
3. To obtain sediment cores for vertical distribution of fauna, redox and contaminant distributions at site Z and in the Burbo Bight.
4. To examine core profiles for biogenic and physical sediment structures.

All the aims were successfully achieved.
Chief scientistHubert Llewelyn Rees (Ministry of Agriculture, Fisheries and Food Burnham Laboratory)
Cruise reportPrince Madog Cruise 40_88 cruise report prince_madog40_88.pdf — access key 'C' (0.05 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificIrish Sea
Biology and fisheries 
Demersal fishQuantity: number of hauls = 3
Description: stations in the vicinity of site Z worked using a beam trawl
Geology and geophysics 
GrabQuantity: number of samples = 62
Description: grab stations worked as part of a grid survey of benthos and sediments.
Core - soft bottomDescription: Tennant core samples were taken at the spoil ground and Burbo Bight, where down-core readings of redox potentials were made, and samples of benthos and sediments retained for later analysis.
Bottom photographyDescription: Still and video images obtained using MAFF towed underwater sledge.