Khomych N. Assessment of the town urboekosystem of Rivne pollution by damageindexes of plant bioindicators

The dissertation is devoted to solution of a topical problem - assessment of the town urboekosystem pollution by damage indexes of plant bioindicators.The Landscape ecological description of Rivne area has been carried out. The analysis of the levels and dynamics of the town pollutants from moving and stationary sources and their impact on the state of health of Rivne inhabitants has been carried out. There has been given the results are described by algebraic relation in the form of parabola of the 2nd order, power, linear general assessment of the ecological state of Rivne by the test "Sterility of plant bioindicators pollen". The ecological state of the town has been assessed according to the test system Medical Dandelion (Taraxacum officinalis Webb). The following areas have been ascertained: areas of ecological danger and critical state of bioindicators, and above the average level of bioindicators damage (testing areas II, III, IV, V, VI, VII), areas of medium of ecological danger, conflict and dangerous state of bioindicators, medium level of bioindicators damage (testing area - I, VIII, IX, XII), areas of ecological safety, standard and favourable state of bioindicators, low and below the average state of bioindicators damage (testing areas X, XI). On the whole (in the years 2006, 2007), the category of the town's ecological safety by the level of air pollution is "medium dangerous" with the medium level of bioindicators damage and with conflict and dangerous state of bioindicators.