Trial Intertidal seagrass survey at two sites (Udale Bay and Nigg Bay) in the Outer Cromarty Firth, Scotland for EU Water Framework Directive Monitoring using the WFD (Angiosperm) Intertidal Seagrass tool. The tool looks at the species composition of the seagrass bed, the density (as percent cover) and the extent of the seagrass bed.