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Environmental zoning is one of the main instruments of environmental planning that contemplates the integrated analysis of natural and socioeconomic aspects, which allows identifying the potentialities and fragilities of environmental systems spatially. Thus, the present work aimed to propose hydro environmental zoning of the Acara river basin in the light of a systemic and integrated approach of the landscape based on the knowledge of its fragilities, in order to identify the areas that potentiate the maintenance of water in the hydrographic system, with the purpose of preservation and conservation of water resources. The methodology was based on Ross's proposal to evaluate the fragility of anthropised environments. For that, geocartographic data of the aspects of the physical environment and the land use and coverage pattern were used using Fuzzy logic to make hydropotential and hydro environmental fragility charts. With the diagnosis of the hydro-environmental conditions of the Acara river basin, this proposal of hydro-environmental zoning is an essential instrument for the managers in the process of planning and territorial reorganisation. With the diagnosis of the hydro-environmental conditions of the Acara river basin, this proposal of hydro-environmental zoning is a vital instrument for managers, assisting in the process of planning and territorial reorganisation.

Zoneamento Hidroambiental da Bacia Hidrográfica do Rio Acará, Amazônia Oriental