RV Celtic Voyager CV15020
|Ship name (ship code)||RV Celtic Voyager (45CV)|
|Cruise period||2015-08-17 — 2015-09-04|
|Port of departure||Cork, Ireland|
|Port of return||Cork, Ireland|
|Objectives||Since 2006 the Marine Institute have carried UWTV surveys of the Celtic Sea Nephrops grounds which includes the Smalls and Labadie Nephrops grounds. In case of unfavourable weather patterns for this survey schedule we propose to survey the western Irish Sea. The results of the survey series were used to describe the abundance, distribution and estimate the biomass of Nephrops in the Celtic and Irish Sea.
1. To obtain 2015 quality assured estimates of Nephrops burrow densities from a randomised isometric grid of UWTV stations at 4 nautical mile spacing on the Smalls Nephrops grounds.
2.To obtain 2015 quality assured estimates of Nephrops burrow densities from from a randomised isometric grid of UWTV stations at 6 nautical mile spacing Labadie, Cockburn and Jones Banks.
3.To obtain 2015 quality assured estimates of Nephrops burrow densities from a randomised isometric grid of UWTV stations at 5 nautical mile spacing on the western Irish Sea Nephrops grounds.
4.To collect ancillary information from the UWTV footage collected at each station such as the occurrence of sea-pens, other macro-benthos and fish species and trawl marks on the sea bed on the Smalls ground.
5.To collect oceanographic data using a sledge mounted CTD.
6.To sample Nephrops and macro benthos using a 4 m beam trawl deployed at ~10 stations on the Smalls only if time allows
7.To satisfy the requirements of the Irish National programme under the 'Data collection regulation' EC Regulation 1543/2000.
|Chief scientist||Colm Lordan (Marine Institute Galway)|
|General||Irish Sea and St. George's Channel|
|Specific||Celtic Sea Nephrops grounds. Western Irish Sea.|