p. 171 - 187 SOME PRELIMINARY DATA ON THE NUTRIENT INFLUX INTO THE WESTERN BLACK SEA Rodica Chirea 1), M-T Gomoiu 2) 1) Water Management Office Constanta 2) Romanian Marine Research Institute Constanta Abstract The influx of amonium, nitrates, nitrites and phosphorus to the Romanian littoral waters as wll as the contribution of various fertilizing sources to the Black Sea waters have been estimated on the basis of more than 1600 analyses carried out periodically between 1976-1985. The authors make suggestions for limiting overfertilization in the coastal waters.