GROUNDWATER AND SURFACE STATUS OF THE SIRET RIVER BASIN FROM THE POINT OF VIEW OF NITRATE CONCENTRATIONS FROM AGRICULTURAL SOURCES; ANALYSIS AND TRENDS

Delia Gheorghe

A.B.A. Siret Bacau

Abstract

View of the state and the trends in aquatic environment, as well as agricultural practices carried out in accordance with the requirements of Directive 91/676/EEC transposed in the Romanian legislation by HG 964/2000 concerning the protection of waters against pollution caused by nitrates from agricultural sources, analysis and assess concentrations of nitrate in surface waters (rivers, lakes/accumulations, transitional waters, coastal waters and waters marine) and groundwater, for the purpose of establishing and/or revision of vulnerable zones the pollution with nitrates from agricultural sources. The work proposes a characterisation of the catchment area of the groundwater and surface of Siret river from this point of view, as well as trends in the evolution of nitrate concentrations measured in the sections/stations control and monitored in the period 2004-2011.

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