Prince Madog Cruise 40_88
Cruise summary report
|Ship name (ship code)||Prince Madog (74PD)|
|Cruise identifier||Cruise 40_88|
|Cruise period||1988-09-19 — 1988-09-22|
|Port of departure||Menai Bridge, United Kingdom|
|Port of return||Menai Bridge, United Kingdom|
|Objectives||1. 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 scientist||Hubert Llewelyn Rees (Ministry of Agriculture, Fisheries and Food Burnham Laboratory)|
|Cruise report||(0.05 MB)|
|General||Irish Sea and St. George's Channel|
|Biology and fisheries|
|Demersal fish||Quantity: number of hauls = 3|
Description: stations in the vicinity of site Z worked using a beam trawl
|Geology and geophysics|
|Grab||Quantity: number of samples = 62|
Description: grab stations worked as part of a grid survey of benthos and sediments.
|Core - soft bottom||Description: 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 photography||Description: Still and video images obtained using MAFF towed underwater sledge.|