Estimating the risk for erosion of surface sediments in the Mecklenburg Bight (south -western Baltic sea) Influence of the blue mussel Mytilus edulis(Linnaeus) on the bottom roughness length (z0) in the south-western Baltic Sea A new 14C (AMS) date from former heathland soil horizons at Kuršių Nerija Lithuania Specific features of morphodynamic processes in the dumps of Lithuanian offshore Long-term fluctuationsin the volume of beach and foredune deposits along the coast of Latvia Farewell to Dr. Wolfram Lemke (1955-2005)