Diagnóstico ambiental no Açude do Arrojado e sua bacia de drenagem – Uiraúna - PB.

Abstract

The degradation of a reservoir of shallow water is directly linked to the type of land use in the corresponding basin drain. In this perspective, to an depth understanding of the conditions of this ecosystem, is essential the realization of a an environmental diagnosis in this area. The purpose of this research was to analyze environmental conditions existing in the Weir Arrojado. For both, the methodological procedures that supported this study occurred in a systematic way and have been a result of qualitative analysis, descriptive nature, with observation, recording and establish correlation between facts and phenomena. The analysis of the data was performed based on the deductive method. This study were identified througt the main land uses in the drainage basin of the Arrojado, which are agriculture, livestock and plant extraction, with the location of the main sources of degradation and the indication of the main consequences of actions and practiced activities, which are the source of eutrophication, loss of floristic biodiversity, water pollution by domestic sewage and, in generally, the reduction in the quality of the ecosystem as a whole, especially of the landscape aesthetics. It follows that the numerous inappropriate human activities in consonance with the lack of environmental education of the population and the absence of any kind of regulation by the government are the aspect of the whole problematic raised.