A eutrofização dos recursos hídricos no estado do Ceará

Abstract

The State of Ceara present a significant advance in the process of eutrophication in the springs, however the discussion on the impact ans government actions to combact the phenomenon are still at early stages. The objective of the study was to make a diagnosis of the conditions of the water resources of the State of Ceara regarding eutrophication. For this purpose the vulnerable areas the main causes and impacts from eutrophication had been identified. In addition, the intention was to analyze the performance of goverment institutions responsible for managing the problem. As research methods were used bibliographical, documentary and field research. The main results showed that eutrophication is present in the reservoirs of all regions of Ceara and that most of these are already present in the eutrophic or hipereutrophic state. The main causes of the problem are extensive livestock breeding and lack of basic sanitation. The consequences are economic, social and environmental. Despite the spatial scope and threatening human and animal supplies, it was noted that goverment initiatives to contain the problem are disjointed and involve few institutions. Most of the implemented actions are of a structuring nature, being more common the supervision and the orientation of use of the sources to the rural pr