Territorial system of ecological stability can be considered today as one of the most contemporary environmental conceptions. The purpose of this conception is the security of global nature preservation and biodiversity and the consolidation of the ecological stability of intensively used territories. Success of the TSES conception is based mainly on the landscape-ecological principles enforcement into the legislation, that deals with decision and territorial-planning processes. From the functional point of view can local TSES be considered as a key factor (element) of the whole system. Its goal is to propose an ecological network, which consists of existing and suggested elements such as: biocenters, biocorridors and interactive elements. Diploma thesis is focused on putting together a proposal of local system related to territorial stability of cadastral territory of municipality Dobrá Niva. Elaboration consists of available data processing and knowledge and of territory of interest field survey. Diploma thesis ended in the local system suggestions of ecological stability and ecostabilizing measures.