International Yearbook BALTICA- 40 years passed Climate reconstruction of the Medieval Warm Period in the Baltic Sea based on biogeochemical proxies from a sediment record Vegetation response to the climatic and human impact changes during the post Glacial: case study of the marginal area of Baltija Upland, NE Lithuania Polish coast - two cases of human impact Late-Glacial ice streams of the osoutheastern sector of Scandinavian ice sheet and the asymmetry of its landforms