The paper presents Lusatian culture bronze artefacts recovered in the Orava region in northern Slovakia, which allows for tracing connections with the territory of present-day Poland in the Late Bronze Age and the Early Iron Age. The object is to discuss the provenance of the Lusatian bronze artefacts and analyse possible intercultural contacts with the north, across the Carpathians.

Vertical distribution and quantitative and qualitative phytoplankton composition were studied in Ezcurra Inlet, Admiralty Bay, South Shetland Islands in the austral summer 1977/78. Nannoplankton flagellates, 12—15 μm in diameter and 4—6 μm "monads" were the principal algae of the plankton. Diatoms, present in a low abundance, were dominated by Thalassiosira antarctica and several species of the genera Nitzschia and Chaetoceros. Peaks of cell numbers within the 1—10 m surface stratum and at the bottom of the euphotic zone were characteristic of the vertical distribution of phytoplankton. Light, water movements and density micro-gradients were the likely factors controlling the vertical distribution of algae.