Research interests Rocky shore community ecology Long-term change in relation to climate using rocky-shore indicators Predator-prey interactions Behavioural ecology of intertidal grazers Ecology and design of sea defences Taxonomy and phylogeography of North East Atlantic and Mediterranean Patellids (Limpets), Cirripedes (Barnacles) and Trochids (Gastropods) Maintaining long-term datasets Restoration of degraded coastal ecosystems, recovery of polluted shores and estuaries Shellfisheries, impacts of scallop dredging on the benthos