Oceanological and Hydrobiological Studies is an international journal published by the University of Gdańsk (Poland). The journal is concentrated on cutting-edge research and findings related to water environment worldwide. It is concerned with a wide spectrum of topics in relation to  both freshwater and seawater, related to biology, chemistry, geology, and physics. It also published include subjects related with, but are not limited to: water monitoring, water pollution, water treatment, water resources management, initiatives and policies for mitigating water pollution ets. Oceanological and Hydrobiological Studies is open to publish articles both, experienced, matured and already acclaimed  scientists as well as young fledgling scientists with a fresh or polemical outlook. The articles are published in a way that ensures mutual complementation of works, thanks to which readers have the opportunity to compare different approaches to a given issue.