General informationOceanological and Hydrobiological Studies is an international journal published by the Institute of Oceanography, University of Gdansk in Poland. The journal publishes original research articles, short communications, reviews and book reviews. The journal has 4 issues per year and contains papers on all aspects of the marine environment and hydrobiology. All manuscripts are reviewed by editors and independent experts. Based on the referees' recommendations, the Editor will make a decision on whether to accept a contribution. All articles are published in English. The historyThis quarterly, published by the Institute of Oceanography of the University of Gdansk, has existed continuously since 1971. Initially it was published in Polish as an irregular journal by the National Scientific Committee on Oceanic Research, Polish Academy of Sciences, Sopot, and was entitled 'Studia i Materialy Oceanologiczne'.Since 1991 the journal has been published in English, in collaboration with the Institute of