Medinets, Sergiy V.2013-12-092013-12-092013-10Abstract Book of the 4-th Bi-annual Black Sea Scientific Conference, (28-31 October, 2013, Constanta, Romania). – Constanta, 2013. – P. 26-28.https://dspace.onu.edu.ua/handle/123456789/4041The aim of the report presented was development of a comprehensive scheme of balance and biogeochemical N cycling for the Black Sea: discussion of exchange of N, its main sources/sinks and the processes involved: identify weak under-studied points and uncertainties, to which the Black Sea countries’ research community should pay attention and focus its efforts immediately.enBlack SeaNitrogen cyclingZmiinyi Islandbalanceatmospheric inputArticle