RT Journal Article SR Electronic A1 HREHOVÁ, Stella A1 MACUROVÁ, Anna T1 INFORMATION TECHNOLOGIES IN THE EVALUATION ENVIRONMENT JF Trends in education YR 2010 VO 3 IS 1 SP 368 OP 370 UL https://tvv-journal.upol.cz/en/artkey/tvv-201001-0083.php 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.