THE ECOLOGICAL STATUS OF NATURAL ELEMENTS IN SOME PROTECTED AREAS

The object of the research includes some state protected areas, located in the North of the Republic of Moldova, in the Dniester river basin. The studies are based on field research. It is assessed the general ecologic condition and determined the sources and the level of pollution of the environmental components. There were also highlighted the specific elements of protection categories. The natural ecosystems were evaluated in the main phenological development phases of vegetation and animal world, the rare species were registered and their abundance was described. On the basis on the obtained results, it was stated that the local and transboundary sources of pollution don't have a significant impact on the researched objects. The investigated areas contain a rich diversity of plant and animal species and serve as a favorable habitat for 16 rare species protected at national, regional and international level.