Trotsenko A. The Lost Geographical Objects: search, historical and geographical analysis.

Work is devoted complex research of the lost geographical objects of the Dnepropetrovsk area as an example of the industrially developed region with proof historical tradition and combination of different cultures of using nature resources. Concepts "the lost geographical object" and "lost geoinformation" are certain, the stages of geographical views of area development are certain with the purpose of receipt of the most reliable and exhaustive information about the lost geographical objects, it is exposed more than 1000 natural and 5000 anthropogenic lost objects, their classification is developed on a functionally-genetic sign, factors and terms of loss of geographical information are certain, classification of geosituatiоn is conducted, which disappearance or elimination of objects was at. The historical and geographical analysis of process of geographical objects disappearance is conducted taking into account history of settling and industrial mastering of edge and also other social and political and natural factors. In the historical scopes of research - p.p. XVIII century - p.p. XXI century - 6 periods of loss of geographical objects are certain. The investigational natural lost objects are part of national natural heritage, which played an important role in life of society, resident on this territory, instrumental in forming and becoming of historical idea and tradition, assertion and transmission of historical memory, and fixed in historical sources. Research of the natural lost objects was conducted on six key areas which tested most anthropogenic influence. A bank and separate databases, and also conceptual model of atlas "Lost geographical objects of the Dnepropetrovsk area" and separate cartographic models is developed, a structure and informative filling of atlas is certain. It is certain that creation of banks and geoinformation models is one of the most effective methods of maintainance of geographical diversity of region. Ways and directions of application information about the lost geographical objects in a scientific and educational sphere, at the market of tourist services, in industry of guard of natural and cultural legacy, for the maintenance of geographical diversity are certain, and also possibilities of recreation of objects are certain in accordance with a degree them loss and social and historical meaningfulness.