Cruise inventory

FRV Mara 7B/76

Cruise summary report

Cruise Info. 
Ship name (ship code)FRV Mara (74MR)
Cruise identifier7B/76
Cruise period1976-06-14 — 1976-06-19
StatusCompleted
Port of departureBuckie, United Kingdom
Port of returnKirkwall, United Kingdom
PurposeResearch
ObjectivesTo collect samples of seawater, sediment, sea weed and shellfish from Scapa Flow for analysis of selected heavy metals in order to identify any unusually high levels of cadmium in this system

Collections were made from a rubber boat which was employed daily for the numerous passages between ''Mara'' and the individual bays.
Chief scientistGraham Topping (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportFRV Mara 7B/76 cruise report mara7b_76.pdf — access key 'C' (0.05 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificScapa Flow, Waulkmill Bay, Howton Bay, Swanbister, Hunda Sound, NE of Cava, Mill Bay, Pegal Bay, Dam of Hoxa, St Margaret Hope Bay, Lyrawa Bay
Measurements 
Chemical oceanography 
Trace elementsQuantity: number of samples = 3
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Scapa Bay: Seawater. Seaweed. Sediments.
Trace elementsQuantity: number of samples = 5
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at NE of Cava: Seawater. Seaweed. Shore Crab. Limpet. Littopina.
Trace elementsQuantity: number of samples = 4
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Lyrawa Bay: Seawater. Seaweed. Shore Crab Limpet.
Trace elementsQuantity: number of samples = 7
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at St Margaret Hope Bay: Seawater. Seaweed. Shore Crab. Limpet. Littopina. Dogwhelk.
Trace elementsQuantity: number of samples = 5
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Dam of Hoxa: Seawater. Seaweed. Shore Crab. Limpet. Littopina.
Trace elementsQuantity: number of samples = 5
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Pegal Bay: Cockels. Seawater. Seaweed. Shore crab. Sediments.
Trace elementsQuantity: number of samples = 4
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Mill Bay: Cockles. Seawater. Seaweed. Sediments.
Trace elementsQuantity: number of samples = 4
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Hunda Sound: Seawater. Seaweed. Limpet. Littopina.
Trace elementsQuantity: number of samples = 7
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Swanbister: Seawater. Seaweed. Sediments. Limpet. Littopina. Mussel. Dogwhelk.
Trace elementsQuantity: number of samples = 3
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Howton Bay: Seawater. Seaweed. Limpet.
Trace elementsQuantity: number of samples = 7
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Waulkmill Bay: Seawater. Seaweed. Shore Crab. Sediments. Limpet. Littopina. Mussel.
Contamination 
Trace metalsQuantity: number of samples = 5
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at NE of Cava: Seawater. Seaweed. Shore Crab. Limpet. Littopina.
Trace metalsQuantity: number of samples = 4
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Lyrawa Bay: Seawater. Seaweed. Shore Crab Limpet.
Trace metalsQuantity: number of samples = 4
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Hunda Sound: Seawater. Seaweed. Limpet. Littopina.
Trace metalsQuantity: number of samples = 5
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Pegal Bay: Cockels. Seawater. Seaweed. Shore crab. Sediments.
Trace metalsQuantity: number of samples = 7
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Swanbister: Seawater. Seaweed. Sediments. Limpet. Littopina. Mussel. Dogwhelk.
Trace metalsQuantity: number of samples = 3
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Scapa Bay: Seawater. Seaweed. Sediments.
Trace metalsQuantity: number of samples = 3
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Howton Bay: Seawater. Seaweed. Limpet.
Trace metalsQuantity: number of samples = 4
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Mill Bay: Cockles. Seawater. Seaweed. Sediments.
Trace metalsQuantity: number of samples = 7
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Waulkmill Bay: Seawater. Seaweed. Shore Crab. Sediments. Limpet. Littopina. Mussel.
Trace metalsQuantity: number of samples = 7
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at St Margaret Hope Bay: Seawater. Seaweed. Shore Crab. Limpet. Littopina. Dogwhelk.
Trace metalsQuantity: number of samples = 5
Description: To collect sediment, sewater, sea weed and shellfish samples to test for heavy metals in order to identify high levels of cadmium. Collected at Dam of Hoxa: Seawater. Seaweed. Shore Crab. Limpet. Littopina.