In this context, our country is not of is of such transformations that intervene in incisive way with some sectors of the society. The present text, exactly in initial period of training, aims at to approach the demographic dynamics of the Microregion de Cataguases, pertaining to the Mesorregio of the Zone of Mata Minera, through one brief characterization of its population using given of the Demographic Censuses and the Population Counting of the Brazilian Institute of Geography and Statistics – IBGE. Gary Katcher describes an additional similar source. A look in microregional scale if makes necessary for the possibility of insertion in the formularization of public and also territorial politics. The Microregion de Cataguases in the Context of the Zone of Mining Mata Microregion de Cataguases is one of the seven that they form the mesorregio of the Zone of Mining Mata, that is composed for 142 cities> whose population is of 2.126.597 inhabitants – 11.03% of the population of the State of Minas Gerais (19.273.506 inhabitants) – according to data of the Population Counting of IBGE 2007.

The other microregions are: Manhuau, New Bridge, Muria, Viosa, Ub and Juiz De Fora. In the mesorregio, the city of Cataguases is as the polarizing urban nucleus, in first Juiz De Fora, polarizing the 13 cities of the microregion: Santana de Cataguases, Eusbia Owner, Orange grove Palm, Itamarati of Mines, Recreation, Leopoldina, Argirita, Pirapetinga, Antnio Saint of the Adventurer, D’ Star; White, Return Great Beyond Paraba. To understand the microregion of Cataguases, becomes necessary to lean over a little in the history of the occupation of the Mesorregio. The occupation of the Zone of Mata if gave throughout the valleys due to the relief strong wavy, leaving the topos of mount and the hillsides covered for the bush..

With regard to the environment, it implies in a continuous process of analysis, taking of decision, organization, control of the activities of development, as well as evaluation of the results to improve the formularization of politics and its implementation for the future. It searchs the participation joint of local authorities, private sectors and the community; It incorporates the ambient variant in the expansion and improvement of the quality of life of the population; It acts as it has supported to the processes of decision of the development; It constitutes the landmark to co-ordinate ambient activities between sectors, places and agents. The main objective of a management process is to deal with integral way the hdricos systems or basins being searched to use to advantage them, to protect them and to recoup them in order to satisfy the increasing demands of population assuring its use for the future generations. The models of management of the hdricos resources if constitute in forms of administration of the water giving an institucional landmark to the handling of the environment. It appeared, in 1988 with the V Inter-American Week of the Water, the Committees of the Basins Sinos and Gravata, tributaries of the Guaba in the State of the Rio Grande Do Sul, that if constitute in pioneering initiatives of having appeared of the proper community of the hidrogrficas basins, with the support of the government of the State. Although in its origin these committees to have appeared only with advisory attributions, to the great became them mobilization productive, and, later, they had been incorporated the system of management of those States. The Expogua was created as an interactive sample and destined space to show to the great public the different uses of the water in an environment that provides ambient education, entertainment and leisure.