RV Clione CLI11/81
Cruise summary report
|Ship name (ship code)||RV Clione (74CN)|
|Cruise period||1981-09-03 — 1981-09-20|
|Port of departure||Lowestoft, United Kingdom|
|Port of return||Lowestoft, United Kingdom|
|Objectives||1. To investigate the orientation and behaviour of plaice in relation to bottom topography and near-bed currents using:-
(a) sector scanning sonar and transponding acoustic compass tags.
(b) sector scanning sonar, transponding acoustic tags and divers equipped with a 300 kHz hand held acoustic torch.
(c) direct observation and photography of small plaice confined on the seabed in a cage spanning several small sand ridges.
2. To retrieve spat collecting bags from a marked site in Start Bay and relay scallop spat in Salcombe estuary.
|Chief scientist||Geoffrey P Arnold (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)|
|Cruise report||(0.15 MB)|
|General||Irish Sea and St. George's Channel|
|Current meters||Quantity: number of deployments = 2|
Description: 13 hours
|Biology and fisheries|
|Other biological/fisheries measurement||Description: behaviour|
|Geology and geophysics|
|Bottom photography||Description: Underwater TV used to observe isolated fish in the cage.|