PT Journal AU HREHOVA, S MACUROVA, A TI INFORMATION TECHNOLOGIES IN THE EVALUATION ENVIRONMENT SO Trends in education PY 2010 BP 368 EP 370 VL 3 IS 1 DE ecosystem; environment; measure of the destabilization of the ecosystem. AB Destabilization of the ecosystem is defined by the name ecological stress. The methods of the formation and solution of algebraic equation systems by matrix are used in the solution destabilization of the ecosystem. Analysis of the selected environment elements can be performed by using information technologies and mathematical methods. ER