Cruise inventory

FRV Mara 4/76

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Mara (74MR)
Cruise identifier4/76
Cruise period1976-03-29 — 1976-04-02
Port of departureBuckie, United Kingdom
Port of returnMethil, United Kingdom
Objectives1. The collection of water and plankton samples at stations on the standard Firth of Forth sampling grid.
2. Collection of water samples for mercury analysis.
3. Collection of live zooplankton.
4. Collection of large volume water samples for organo-chlorine compound analysis.
5. The provision of the Forth R P B with water samples.
Chief scientistIan M Davies (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Mara 4/76 cruise report mara4_76.pdf — access key 'C' (0.07 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificFirth of Forth
Physical oceanography 
Water bottle stationsQuantity: number of stations = 31
Chemical oceanography 
PhosphateQuantity: number of samples = 129
NitrateQuantity: number of samples = 128
Total - NQuantity: number of stations = 30
AmmoniaQuantity: number of stations = 31
SilicateQuantity: number of samples = 129
Trace metalsDescription: mercury analysis
Chlorinated hydrocarbons
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 31
Particulate organic matter (inc POC, PON)Quantity: number of samples = 56