Biogeochemical Pathways of Phosphate in a Galician Ria (North-western Iberian Peninsula), Late Summer Trophic Conditions in the North-east Gulf of Finland and the River Neva Estuary, Baltic Sea, Development of a Non-linear Levels Model and its Application to Bora-driven Circulation on the Adriatic Shelf, A Modelling Study of the Contribution of Riverine and Anthropogenic Inputs of Ammonium to a North Sea Coastal Area, Abundance, Age-structure and Growth, and Reproduction of Gobies (Pisces; Gobiidae) in the Ria de Aveiro Lagoon (Portugal), The Effects of Recent Floods and Geomorphic Processes on Red Ash Populations, Upper St Lawrence Estuary, Québec, Effects of an Introduced Aquatic Plant, Hydrilla verticillata, on Benthic Communities in the Upper Chesapeake Bay.