FRV Goldseeker 4/87

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Goldseeker (74GO)
Cruise identifier4/87
Cruise period1987-03-16 — 1987-04-04
Port of departureInverness, United Kingdom
Port of returnTroon, United Kingdom
Objectives1) Commissioning of combined bioluminescence/light intensity instrumentation carried by the RCV in the vicinity of a net.

2) To obtain recordings of different types of bioluminescent activity for identification and quantification purposes. Water samples will also be taken for analysis.

3) To calibrate the Transmissometer by relating turbidity measurements with direct observation of underwater visibility and visible range.

4) If conditions permit, an attempt willl be made to obtain video recordings of the bioluminescence stimulated by netting being towed through the water after dark.
Chief scientistChris D Hall (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Goldseeker 4/87 cruise report goldseeker4_87.pdf (0.05 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificTarbert and Loch Fyne
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of samples = 30
Description: Nets were towed to disturb the plankton.